{"bulletins":[{"bulletinID":"4ea5300b-e78c-40c6-abb4-83a8bf250639","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-7231","name":"Münstertal"},{"regionID":"CH-7222","name":"unteres Puschlav"},{"regionID":"CH-7111","name":"Corvatsch"},{"regionID":"CH-1312","name":"Monthey-Val d'Illiez"},{"regionID":"CH-1225","name":"Iffigen"},{"regionID":"CH-4114","name":"Conthey-Fully"},{"regionID":"CH-7123","name":"Sur Tasna"},{"regionID":"CH-1114","name":"Bex-Villars"},{"regionID":"CH-7211","name":"Bergell"},{"regionID":"CH-4111","name":"Emosson"},{"regionID":"CH-7124","name":"Val Suot"},{"regionID":"CH-1223","name":"Wildhorn"},{"regionID":"CH-5223","name":"Rheinwald"},{"regionID":"CH-7112","name":"Bernina"},{"regionID":"CH-4113","name":"Val d'Entremont-Val Ferret"},{"regionID":"CH-7113","name":"Zuoz"},{"regionID":"CH-5234","name":"Bivio"},{"regionID":"CH-7126","name":"Val S-charl"},{"regionID":"CH-7125","name":"Val dal Spöl"},{"regionID":"CH-7115","name":"Val Chamuera"},{"regionID":"CH-5233","name":"Avers"},{"regionID":"CH-4112","name":"Génépi"},{"regionID":"CH-4123","name":"Arolla"},{"regionID":"CH-7114","name":"St. Moritz"},{"regionID":"CH-7221","name":"oberes Puschlav"},{"regionID":"CH-4121","name":"Montana"},{"regionID":"CH-4125","name":"Mountet"},{"regionID":"CH-4116","name":"Haut Val de Bagnes"}],"dangerRatings":[{"mainValue":"considerable","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus"}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"considerable","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in all aspects above 2600m."}},"comment":"As a consequence of new snow and northerly wind, avalanche prone wind slabs will form. Dry avalanches can additionally be released in deeper layers in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Backcountry touring calls for experience in the assessment of avalanche danger. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."},{"problemType":"persistent_weak_layers","dangerRatingValue":"considerable","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in all aspects above 2600m."}},"comment":"As a consequence of new snow and northerly wind, avalanche prone wind slabs will form. Dry avalanches can additionally be released in deeper layers in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Backcountry touring calls for experience in the assessment of avalanche danger. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["wind_slab","persistent_weak_layers"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]},{"bulletinID":"d5741c6d-cece-4099-bb09-444ad843b543","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1246","name":"Gadmertal"},{"regionID":"CH-1245","name":"Guttannen"},{"regionID":"CH-2134","name":"Bisistal"},{"regionID":"CH-3113","name":"Glarus Süd-Sernftal"},{"regionID":"CH-4213","name":"Konkordia Gebiet"},{"regionID":"CH-2122","name":"Engelberg"},{"regionID":"CH-4214","name":"Riederalp"},{"regionID":"CH-7122","name":"östliche Silvretta"},{"regionID":"CH-5111","name":"nördliches Prättigau"},{"regionID":"CH-5122","name":"Schanfigg"},{"regionID":"CH-1247","name":"Grimselpass"},{"regionID":"CH-5113","name":"westliche Silvretta"},{"regionID":"CH-5121","name":"Calanda"},{"regionID":"CH-1232","name":"Blüemlisalp"},{"regionID":"CH-3114","name":"Glarus Mitte"},{"regionID":"CH-4211","name":"Leukerbad - Lötschental"},{"regionID":"CH-7121","name":"Samnaun"},{"regionID":"CH-1234","name":"Jungfrau - Schilthorn"},{"regionID":"CH-5123","name":"Davos"},{"regionID":"CH-2223","name":"nördliches Urseren"},{"regionID":"CH-5112","name":"südliches Prättigau"},{"regionID":"CH-2211","name":"Schächental"},{"regionID":"CH-4241","name":"Reckingen"},{"regionID":"CH-5124","name":"Flims"},{"regionID":"CH-5231","name":"Albulatal"},{"regionID":"CH-5232","name":"Savognin"},{"regionID":"CH-3224","name":"Sarganserland"},{"regionID":"CH-2221","name":"Meiental"},{"regionID":"CH-1243","name":"Schreckhorn"},{"regionID":"CH-3112","name":"Glarus Süd-Grosstal"},{"regionID":"CH-2222","name":"Maderanertal"},{"regionID":"CH-4215","name":"Leuk"},{"regionID":"CH-1227","name":"Engstligen"},{"regionID":"CH-5211","name":"nördliches Tujetsch"},{"regionID":"CH-4243","name":"nördliches Obergoms"},{"regionID":"CH-2224","name":"südliches Urseren"},{"regionID":"CH-2212","name":"Uri Rot Stock"}],"dangerRatings":[{"mainValue":"considerable","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus"}}}],"avalancheProblems":[{"problemType":"new_snow","dangerRatingValue":"considerable","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in all aspects above 2600m."}},"comment":"The fresh snow and the wind slabs that are being formed by the northerly wind are prone to triggering. Dry avalanches can additionally be released in deeper layers in particular on very steep north and east facing slopes. Single winter sport participants can release avalanches. These can reach large size. Ski touring calls for experience in the assessment of avalanche danger. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."},{"problemType":"persistent_weak_layers","dangerRatingValue":"considerable","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in all aspects above 2600m."}},"comment":"The fresh snow and the wind slabs that are being formed by the northerly wind are prone to triggering. Dry avalanches can additionally be released in deeper layers in particular on very steep north and east facing slopes. Single winter sport participants can release avalanches. These can reach large size. Ski touring calls for experience in the assessment of avalanche danger. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["new_snow","persistent_weak_layers"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]},{"bulletinID":"eb676c75-189f-493c-9719-c4a0f915a04d","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-3223","name":"Flumserberg"},{"regionID":"CH-3222","name":"Alpstein - Alvier"},{"regionID":"CH-3311","name":"Liechtenstein"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus"}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"moderate","elevation":{"lowerBound":2400,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus","coreZoneText":"Danger level \"moderate\" (2+) in all aspects above 2400m."}},"comment":"As a consequence of new snow and wind, sometimes avalanche prone wind slabs will form. Avalanches can in some places be released by a single winter sport participant. The avalanche prone locations are to be found in particular in gullies and bowls, and behind abrupt changes in the terrain. Careful route selection is recommended. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["wind_slab"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]},{"bulletinID":"984db0a9-0e30-453d-97d2-7075108ce906","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-6212","name":"basso Moesano"},{"regionID":"CH-6112","name":"obere Leventina"},{"regionID":"CH-4244","name":"südliches Obergoms"},{"regionID":"CH-5215","name":"Val Sumvitg"},{"regionID":"CH-4242","name":"Binntal"},{"regionID":"CH-4231","name":"nördliches Simplon Gebiet"},{"regionID":"CH-4222","name":"Zermatt"},{"regionID":"CH-6211","name":"alto Moesano"},{"regionID":"CH-4223","name":"Saas Fee"},{"regionID":"CH-5222","name":"Schams"},{"regionID":"CH-5216","name":"Zervreila"},{"regionID":"CH-4122","name":"Val d'Hérens"},{"regionID":"CH-5214","name":"Obersaxen - Safiental"},{"regionID":"CH-4221","name":"untere Vispertäler"},{"regionID":"CH-4224","name":"Monte Rosa"},{"regionID":"CH-5212","name":"südliches Tujetsch"},{"regionID":"CH-6113","name":"Bleniotal"},{"regionID":"CH-5221","name":"Domleschg - Lenzerheide"},{"regionID":"CH-4225","name":"Mattmark"},{"regionID":"CH-4232","name":"südliches Simplon Gebiet"},{"regionID":"CH-4115","name":"Martigny-Verbier"},{"regionID":"CH-6111","name":"Bedrettotal"},{"regionID":"CH-4212","name":"Turtmanntal"},{"regionID":"CH-4124","name":"Val d'Anniviers"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus"}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"moderate","elevation":{"lowerBound":2400,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus","coreZoneText":"Danger level \"moderate\" (2+) in all aspects above 2400m."}},"comment":"Fresh and somewhat older wind slabs are in some cases prone to triggering. Additionally avalanches can also be released in near-surface layers and reach medium size. These avalanche prone locations are rather rare but are barely recognisable. Careful route selection is recommended. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."},{"problemType":"persistent_weak_layers","dangerRatingValue":"moderate","elevation":{"lowerBound":2400,"upperBound":null},"aspects":["N","NE","E","SE","S","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus","coreZoneText":"Danger level \"moderate\" (2+) in all aspects above 2400m."}},"comment":"Fresh and somewhat older wind slabs are in some cases prone to triggering. Additionally avalanches can also be released in near-surface layers and reach medium size. These avalanche prone locations are rather rare but are barely recognisable. Careful route selection is recommended. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["wind_slab","persistent_weak_layers"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]},{"bulletinID":"ee6d6af1-5f03-453d-8575-99de8cb6fb81","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1311","name":"Vouvry"},{"regionID":"CH-1213","name":"Hohgant"},{"regionID":"CH-3111","name":"Glarus Nord"},{"regionID":"CH-2132","name":"Ybrig"},{"regionID":"CH-1222","name":"Gstaad"},{"regionID":"CH-1231","name":"Kandersteg"},{"regionID":"CH-1224","name":"Lenk"},{"regionID":"CH-2111","name":"Pilatus"},{"regionID":"CH-2121","name":"Glaubenberg"},{"regionID":"CH-2123","name":"Melchtal"},{"regionID":"CH-1221","name":"Niedersimmental"},{"regionID":"CH-1121","name":"Jaun"},{"regionID":"CH-1244","name":"Hasliberg - Rosenlaui"},{"regionID":"CH-2133","name":"Stoos"},{"regionID":"CH-2124","name":"Gersau"},{"regionID":"CH-1111","name":"Waadtländer Voralpen"},{"regionID":"CH-1228","name":"Obersimmental"},{"regionID":"CH-1241","name":"Brienz-Interlaken"},{"regionID":"CH-1226","name":"Adelboden"},{"regionID":"CH-1242","name":"Grindelwald"},{"regionID":"CH-1113","name":"Aigle-Leysin"},{"regionID":"CH-1112","name":"Pays d'Enhaut"},{"regionID":"CH-1233","name":"Lauterbrunnen"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"neutral"}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"moderate","elevation":{"lowerBound":2000,"upperBound":null},"aspects":["N","NE","E","SE","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"neutral","coreZoneText":"Danger level \"moderate\" (2=) in northwest to northeast to southeast facing aspects above 2000m."}},"comment":"Fresh and somewhat older wind slabs remain in some cases prone to triggering. The avalanche prone locations are to be found in particular in gullies and bowls, and behind abrupt changes in the terrain. Avalanches can reach medium size. Careful route selection is recommended. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["wind_slab"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]},{"bulletinID":"97d08c6f-12ec-419a-9848-0c32e7f8ae6c","validTime":{"startTime":"2026-05-15T15:00:00Z","endTime":"2026-05-16T15:00:00Z"},"nextUpdate":"2026-05-16T15:00:00Z","publicationTime":"2026-05-15T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-6115","name":"untere Leventina"},{"regionID":"CH-6122","name":"Riviera"},{"regionID":"CH-6121","name":"untere Maggiatäler"},{"regionID":"CH-6114","name":"obere Maggiatäler"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"neutral"}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"moderate","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","E","SE","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"neutral","coreZoneText":"Danger level \"moderate\" (2=) in northwest to northeast to southeast facing aspects above 2600m."}},"comment":"Somewhat older wind slabs are to be found in particular at the base of rock walls and behind abrupt changes in the terrain. They are in some cases still prone to triggering. As a consequence of a sometimes strong northerly wind, small wind slabs will form as well. Fresh and older wind slabs are to be evaluated with care and prudence in very steep terrain. Apart from the danger of being buried, restraint should be exercised as well in view of the danger of avalanches sweeping people along and giving rise to falls. <br/> The Avalanche Warning Service currently has only a small amount of information that has been collected in the field, so that the avalanche danger should be investigated especially thoroughly in the relevant locality."}],"customData":{"CH":{"aggregation":[{"category":"dry","validTimePeriod":"all_day","problemTypes":["wind_slab"]}]}},"weatherForecast":{"comment":"<h1>Weather forecast to Saturday</h1><p>Snow will fall in the north. In the inneralpine regions, it will be partly cloudy with showers and longer sunny spells. The snowfall level will be 1200 m. It will be mostly sunny in the south.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Friday afternoon to Saturday afternoon, the following amounts of fresh snow are expected above approximately 2000 m:</p><ul><li>Northern Alpine ridge from the Wildstrubel to Liechtenstein, northern Grisons: 15 to 25 cm</li><li>Remaining northern flank of the Alps, Lower Valais, remaining parts of Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less or no snow</li></ul><h2>Temperature</h2><p>At midday at 2000 m, between -3 °C in the north and 0 °C in the south</p><h2>Wind</h2><p>Strong at times on the Main Alpine Ridge, elsewhere mostly moderate from the northwest</p>"},"weatherReview":{"comment":"<h1>Weather review for Friday</h1><p>Following a break during the night, intermittent snowfall resumed during the day. The snowfall level was around 1300 m.</p><h2>Fresh snow</h2><p>In the two days from Wednesday evening to Friday afternoon above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais and between Davos, Val Müstair and Upper Engadine: 20 to 40 cm</li><li>Elsewhere a widespread 10 to 20 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Still moderate during the night, mostly light during the day from westerly directions</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>With new snow and a northerly wind, additional wind slabs will form. These are medium-sized on the northern flank of the Alps and in northern Grisons, otherwise rather small. The new snow and wind slabs of the last few days are overlying an old snowpack whose upper part contains coarse-grained weak layers, especially on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook to Monday</h1><p>After a mostly clear night, it will be quite sunny on Monday with cumulus clouds developing as the day progresses. The zero-degree level will be 2200 m in the north and 2500 m in the south. Winds will be mostly light. Sunday night into Monday will be partly overcast. In the late morning, there will still be some bright spells in the east, while elsewhere there will be showers and isolated thunderstorms. The snowfall level will be around 2000 m. The winds will be light to moderate from the west.</p><p>The danger of dry avalanches will decrease, but only slowly on very steep north-facing slopes in the high alpine regions. As a consequence of solar radiation and daytime warming, the danger of wet avalanches will increase somewhat as the day progresses. In particular, near-surface moist avalanches caused by the fresh snow of recent days are to be expected.</p>"}]}],"customData":{"CH":{"base":"8285345e-500b-447f-9392-aee518c560cd:258"}}}