{"bulletins":[{"bulletinID":"18786687-9c8b-4f3e-a549-45b279b97d62","validTime":{"startTime":"2026-05-14T15:00:00Z","endTime":"2026-05-15T15:00:00Z"},"nextUpdate":"2026-05-15T15:00:00Z","publicationTime":"2026-05-14T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-7221","name":"oberes Puschlav"},{"regionID":"CH-7222","name":"unteres Puschlav"},{"regionID":"CH-7111","name":"Corvatsch"},{"regionID":"CH-1312","name":"Monthey-Val d'Illiez"},{"regionID":"CH-4114","name":"Conthey-Fully"},{"regionID":"CH-1223","name":"Wildhorn"},{"regionID":"CH-1114","name":"Bex-Villars"},{"regionID":"CH-7211","name":"Bergell"},{"regionID":"CH-5233","name":"Avers"},{"regionID":"CH-7112","name":"Bernina"},{"regionID":"CH-4111","name":"Emosson"},{"regionID":"CH-4112","name":"Génépi"}],"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 new snow and wind slabs of the last few days are in some cases prone to triggering. The wind slabs will be covered with new snow and therefore barely recognisable. Dry avalanches can additionally be released in the old snowpack in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Ski touring calls for defensive route selection. <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 new snow and wind slabs of the last few days are in some cases prone to triggering. The wind slabs will be covered with new snow and therefore barely recognisable. Dry avalanches can additionally be released in the old snowpack in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Ski touring calls for defensive route selection. <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 Friday</h1><p>It will be mostly cloudy, with snow falling above approximately 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Ascension Day to Friday afternoon, the following amounts of snow will fall above approximately 1800 m:</p><ul><li>Northern flank of the Alps, Lower Valais and Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Mainly light</p>"},"weatherReview":{"comment":"<h1>Weather review for Ascension Day</h1><p>Conditions were mostly very cloudy. Snow fell at times above approximately 1500 m. There were brief sunny spells in between, with longer sunny periods in Valais.</p><h2>Fresh snow</h2><p>Up until Ascension Day afternoon, the following amounts of snow fell above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais, Val Bregaglia to Bernina region: 15 to 30 cm</li><li>Elsewhere a widespread 5 to 15 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 °C in the north and +2 °C in the south</p><h2>Wind</h2><p>Moderate, sometimes strong from the west along the Prealps</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>New and drifted snow are overlaid on an old snowpack, the top section of which contains coarse-grained weak layers, primarily on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook</h1><h2>Saturday</h2><p>In the north, it will be very cloudy, with snow falling above approximately 1300 m. The heaviest snowfall will occur along the northern Alpine ridge from the Bernese Oberland to the Säntis, with approximately 20 cm expected.</p><p>In the south it will be sunny with northerly winds.</p><p>There will be a widespread increase in avalanche risk. In Upper Valais and Ticino, it will not change significantly.</p><h2>Sunday</h2><p>After a mostly clear night, it will be sunny. Winds will be light. The zero-degree level will rise to 2100 m in the north and 2500 m in the south.</p><p>The danger of dry avalanches will decrease. As a consequence of solar radiation, near-surface wet avalanches are to be expected as the day progresses.</p>"}]},{"bulletinID":"7b84a8f3-39f6-422a-a610-0a763276aa28","validTime":{"startTime":"2026-05-14T15:00:00Z","endTime":"2026-05-15T15:00:00Z"},"nextUpdate":"2026-05-15T15:00:00Z","publicationTime":"2026-05-14T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1246","name":"Gadmertal"},{"regionID":"CH-1225","name":"Iffigen"},{"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-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-4124","name":"Val d'Anniviers"},{"regionID":"CH-7121","name":"Samnaun"},{"regionID":"CH-1234","name":"Jungfrau - Schilthorn"},{"regionID":"CH-4113","name":"Val d'Entremont-Val Ferret"},{"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-4122","name":"Val d'Hérens"},{"regionID":"CH-3224","name":"Sarganserland"},{"regionID":"CH-4123","name":"Arolla"},{"regionID":"CH-2221","name":"Meiental"},{"regionID":"CH-4121","name":"Montana"},{"regionID":"CH-1243","name":"Schreckhorn"},{"regionID":"CH-3112","name":"Glarus Süd-Grosstal"},{"regionID":"CH-2222","name":"Maderanertal"},{"regionID":"CH-4215","name":"Leuk"},{"regionID":"CH-4115","name":"Martigny-Verbier"},{"regionID":"CH-1227","name":"Engstligen"},{"regionID":"CH-4243","name":"nördliches Obergoms"},{"regionID":"CH-4125","name":"Mountet"},{"regionID":"CH-2224","name":"südliches Urseren"},{"regionID":"CH-2212","name":"Uri Rot Stock"},{"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","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in northwest to northeast to southeast facing aspects above 2600m."}},"comment":"The wind slabs of the last few days are in some cases prone to triggering. They will be covered with new snow and therefore barely recognisable. Dry avalanches can additionally be released in the old snowpack in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Ski touring calls for defensive route selection. <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","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"considerable\" (3-) in northwest to northeast to southeast facing aspects above 2600m."}},"comment":"The wind slabs of the last few days are in some cases prone to triggering. They will be covered with new snow and therefore barely recognisable. Dry avalanches can additionally be released in the old snowpack in particular on very steep north and east facing slopes. Avalanches can reach large size in isolated cases. Ski touring calls for defensive route selection. <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 Friday</h1><p>It will be mostly cloudy, with snow falling above approximately 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Ascension Day to Friday afternoon, the following amounts of snow will fall above approximately 1800 m:</p><ul><li>Northern flank of the Alps, Lower Valais and Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Mainly light</p>"},"weatherReview":{"comment":"<h1>Weather review for Ascension Day</h1><p>Conditions were mostly very cloudy. Snow fell at times above approximately 1500 m. There were brief sunny spells in between, with longer sunny periods in Valais.</p><h2>Fresh snow</h2><p>Up until Ascension Day afternoon, the following amounts of snow fell above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais, Val Bregaglia to Bernina region: 15 to 30 cm</li><li>Elsewhere a widespread 5 to 15 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 °C in the north and +2 °C in the south</p><h2>Wind</h2><p>Moderate, sometimes strong from the west along the Prealps</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>New and drifted snow are overlaid on an old snowpack, the top section of which contains coarse-grained weak layers, primarily on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook</h1><h2>Saturday</h2><p>In the north, it will be very cloudy, with snow falling above approximately 1300 m. The heaviest snowfall will occur along the northern Alpine ridge from the Bernese Oberland to the Säntis, with approximately 20 cm expected.</p><p>In the south it will be sunny with northerly winds.</p><p>There will be a widespread increase in avalanche risk. In Upper Valais and Ticino, it will not change significantly.</p><h2>Sunday</h2><p>After a mostly clear night, it will be sunny. Winds will be light. The zero-degree level will rise to 2100 m in the north and 2500 m in the south.</p><p>The danger of dry avalanches will decrease. As a consequence of solar radiation, near-surface wet avalanches are to be expected as the day progresses.</p>"}]},{"bulletinID":"58ab54e2-cc84-43d3-913c-b8c8481dba5c","validTime":{"startTime":"2026-05-14T15:00:00Z","endTime":"2026-05-15T15:00:00Z"},"nextUpdate":"2026-05-15T15:00:00Z","publicationTime":"2026-05-14T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-7231","name":"Münstertal"},{"regionID":"CH-5215","name":"Val Sumvitg"},{"regionID":"CH-4242","name":"Binntal"},{"regionID":"CH-4222","name":"Zermatt"},{"regionID":"CH-7123","name":"Sur Tasna"},{"regionID":"CH-4223","name":"Saas Fee"},{"regionID":"CH-5216","name":"Zervreila"},{"regionID":"CH-7124","name":"Val Suot"},{"regionID":"CH-4221","name":"untere Vispertäler"},{"regionID":"CH-5122","name":"Schanfigg"},{"regionID":"CH-6113","name":"Bleniotal"},{"regionID":"CH-4225","name":"Mattmark"},{"regionID":"CH-5221","name":"Domleschg - Lenzerheide"},{"regionID":"CH-4232","name":"südliches Simplon Gebiet"},{"regionID":"CH-6111","name":"Bedrettotal"},{"regionID":"CH-5223","name":"Rheinwald"},{"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-4244","name":"südliches Obergoms"},{"regionID":"CH-6212","name":"basso Moesano"},{"regionID":"CH-6112","name":"obere Leventina"},{"regionID":"CH-7115","name":"Val Chamuera"},{"regionID":"CH-4231","name":"nördliches Simplon Gebiet"},{"regionID":"CH-6211","name":"alto Moesano"},{"regionID":"CH-5222","name":"Schams"},{"regionID":"CH-5124","name":"Flims"},{"regionID":"CH-5214","name":"Obersaxen - Safiental"},{"regionID":"CH-5231","name":"Albulatal"},{"regionID":"CH-5232","name":"Savognin"},{"regionID":"CH-4224","name":"Monte Rosa"},{"regionID":"CH-7114","name":"St. Moritz"},{"regionID":"CH-5212","name":"südliches Tujetsch"},{"regionID":"CH-5211","name":"nördliches Tujetsch"},{"regionID":"CH-4212","name":"Turtmanntal"}],"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","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus","coreZoneText":"Danger level \"moderate\" (2+) in northwest to northeast to east facing aspects above 2400m."}},"comment":"The wind slabs of the last few days are in some cases prone to triggering. They will be covered with new snow and therefore barely recognisable. 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","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"plus","coreZoneText":"Danger level \"moderate\" (2+) in northwest to northeast to east facing aspects above 2400m."}},"comment":"The wind slabs of the last few days are in some cases prone to triggering. They will be covered with new snow and therefore barely recognisable. 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 Friday</h1><p>It will be mostly cloudy, with snow falling above approximately 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Ascension Day to Friday afternoon, the following amounts of snow will fall above approximately 1800 m:</p><ul><li>Northern flank of the Alps, Lower Valais and Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Mainly light</p>"},"weatherReview":{"comment":"<h1>Weather review for Ascension Day</h1><p>Conditions were mostly very cloudy. Snow fell at times above approximately 1500 m. There were brief sunny spells in between, with longer sunny periods in Valais.</p><h2>Fresh snow</h2><p>Up until Ascension Day afternoon, the following amounts of snow fell above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais, Val Bregaglia to Bernina region: 15 to 30 cm</li><li>Elsewhere a widespread 5 to 15 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 °C in the north and +2 °C in the south</p><h2>Wind</h2><p>Moderate, sometimes strong from the west along the Prealps</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>New and drifted snow are overlaid on an old snowpack, the top section of which contains coarse-grained weak layers, primarily on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook</h1><h2>Saturday</h2><p>In the north, it will be very cloudy, with snow falling above approximately 1300 m. The heaviest snowfall will occur along the northern Alpine ridge from the Bernese Oberland to the Säntis, with approximately 20 cm expected.</p><p>In the south it will be sunny with northerly winds.</p><p>There will be a widespread increase in avalanche risk. In Upper Valais and Ticino, it will not change significantly.</p><h2>Sunday</h2><p>After a mostly clear night, it will be sunny. Winds will be light. The zero-degree level will rise to 2100 m in the north and 2500 m in the south.</p><p>The danger of dry avalanches will decrease. As a consequence of solar radiation, near-surface wet avalanches are to be expected as the day progresses.</p>"}]},{"bulletinID":"dfae5de5-f14c-49f1-a28b-83d172484a18","validTime":{"startTime":"2026-05-14T15:00:00Z","endTime":"2026-05-15T15:00:00Z"},"nextUpdate":"2026-05-15T15:00:00Z","publicationTime":"2026-05-14T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1311","name":"Vouvry"},{"regionID":"CH-1222","name":"Gstaad"},{"regionID":"CH-1224","name":"Lenk"},{"regionID":"CH-2111","name":"Pilatus"},{"regionID":"CH-2121","name":"Glaubenberg"},{"regionID":"CH-2133","name":"Stoos"},{"regionID":"CH-2124","name":"Gersau"},{"regionID":"CH-1111","name":"Waadtländer Voralpen"},{"regionID":"CH-1228","name":"Obersimmental"},{"regionID":"CH-3223","name":"Flumserberg"},{"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"},{"regionID":"CH-3311","name":"Liechtenstein"},{"regionID":"CH-1213","name":"Hohgant"},{"regionID":"CH-3111","name":"Glarus Nord"},{"regionID":"CH-2132","name":"Ybrig"},{"regionID":"CH-1231","name":"Kandersteg"},{"regionID":"CH-3222","name":"Alpstein - Alvier"},{"regionID":"CH-2123","name":"Melchtal"},{"regionID":"CH-1221","name":"Niedersimmental"},{"regionID":"CH-1121","name":"Jaun"},{"regionID":"CH-1244","name":"Hasliberg - Rosenlaui"}],"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":"As a consequence of new snow and a sometimes strong westerly wind, avalanche prone wind slabs formed on Ascension Day in particular in gullies and bowls and behind abrupt changes in the terrain. These will be covered with new snow and therefore barely recognisable. Persons can release avalanches in some places. These 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 Friday</h1><p>It will be mostly cloudy, with snow falling above approximately 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Ascension Day to Friday afternoon, the following amounts of snow will fall above approximately 1800 m:</p><ul><li>Northern flank of the Alps, Lower Valais and Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Mainly light</p>"},"weatherReview":{"comment":"<h1>Weather review for Ascension Day</h1><p>Conditions were mostly very cloudy. Snow fell at times above approximately 1500 m. There were brief sunny spells in between, with longer sunny periods in Valais.</p><h2>Fresh snow</h2><p>Up until Ascension Day afternoon, the following amounts of snow fell above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais, Val Bregaglia to Bernina region: 15 to 30 cm</li><li>Elsewhere a widespread 5 to 15 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 °C in the north and +2 °C in the south</p><h2>Wind</h2><p>Moderate, sometimes strong from the west along the Prealps</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>New and drifted snow are overlaid on an old snowpack, the top section of which contains coarse-grained weak layers, primarily on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook</h1><h2>Saturday</h2><p>In the north, it will be very cloudy, with snow falling above approximately 1300 m. The heaviest snowfall will occur along the northern Alpine ridge from the Bernese Oberland to the Säntis, with approximately 20 cm expected.</p><p>In the south it will be sunny with northerly winds.</p><p>There will be a widespread increase in avalanche risk. In Upper Valais and Ticino, it will not change significantly.</p><h2>Sunday</h2><p>After a mostly clear night, it will be sunny. Winds will be light. The zero-degree level will rise to 2100 m in the north and 2500 m in the south.</p><p>The danger of dry avalanches will decrease. As a consequence of solar radiation, near-surface wet avalanches are to be expected as the day progresses.</p>"}]},{"bulletinID":"0cbd3dd7-e014-412c-9867-29aee01a803b","validTime":{"startTime":"2026-05-14T15:00:00Z","endTime":"2026-05-15T15:00:00Z"},"nextUpdate":"2026-05-15T15:00:00Z","publicationTime":"2026-05-14T15:00:00Z","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. These are rather small but in some cases prone to triggering. They 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 Friday</h1><p>It will be mostly cloudy, with snow falling above approximately 1300 m.</p><h2 contenteditable=\"false\">Fresh snow</h2><p>From Ascension Day to Friday afternoon, the following amounts of snow will fall above approximately 1800 m:</p><ul><li>Northern flank of the Alps, Lower Valais and Grisons: 5 to 15 cm</li><li>Upper Valais and Ticino: less</li></ul><h2>Temperature</h2><p>At midday at 2000 m, around -2 °C</p><h2>Wind</h2><p>Mainly light</p>"},"weatherReview":{"comment":"<h1>Weather review for Ascension Day</h1><p>Conditions were mostly very cloudy. Snow fell at times above approximately 1500 m. There were brief sunny spells in between, with longer sunny periods in Valais.</p><h2>Fresh snow</h2><p>Up until Ascension Day afternoon, the following amounts of snow fell above approximately 2000 m:</p><ul><li>Extreme west of Lower Valais, Val Bregaglia to Bernina region: 15 to 30 cm</li><li>Elsewhere a widespread 5 to 15 cm, less in the Upper Valais and Ticino</li></ul><h2 contenteditable=\"false\">Temperature</h2><p>At midday at 2000 m, between -2 °C in the north and +2 °C in the south</p><h2>Wind</h2><p>Moderate, sometimes strong from the west along the Prealps</p>"},"snowpackStructure":{"comment":"<h1>Snowpack</h1><p>New and drifted snow are overlaid on an old snowpack, the top section of which contains coarse-grained weak layers, primarily on north- and east-facing slopes at high altitudes.</p>"},"tendency":[{"comment":"<h1>Outlook</h1><h2>Saturday</h2><p>In the north, it will be very cloudy, with snow falling above approximately 1300 m. The heaviest snowfall will occur along the northern Alpine ridge from the Bernese Oberland to the Säntis, with approximately 20 cm expected.</p><p>In the south it will be sunny with northerly winds.</p><p>There will be a widespread increase in avalanche risk. In Upper Valais and Ticino, it will not change significantly.</p><h2>Sunday</h2><p>After a mostly clear night, it will be sunny. Winds will be light. The zero-degree level will rise to 2100 m in the north and 2500 m in the south.</p><p>The danger of dry avalanches will decrease. As a consequence of solar radiation, near-surface wet avalanches are to be expected as the day progresses.</p>"}]}],"customData":{"CH":{"base":"227ebdf2-ccc4-456b-b5ae-e84fd902da5e:194"}}}