The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]},{"bulletinID":"ccf9c228-1eb2-452f-8546-050ca91a0f2a","validTime":{"startTime":"2026-04-18T15:00:00Z","endTime":"2026-04-19T15:00:00Z"},"nextUpdate":"2026-04-19T15:00:00Z","publicationTime":"2026-04-18T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1246","name":"Gadmertal"},{"regionID":"CH-1243","name":"Schreckhorn"},{"regionID":"CH-3112","name":"Glarus Süd-Grosstal"},{"regionID":"CH-2222","name":"Maderanertal"},{"regionID":"CH-1245","name":"Guttannen"},{"regionID":"CH-5211","name":"nördliches Tujetsch"},{"regionID":"CH-1232","name":"Blüemlisalp"},{"regionID":"CH-3113","name":"Glarus Süd-Sernftal"},{"regionID":"CH-4211","name":"Leukerbad - Lötschental"},{"regionID":"CH-5124","name":"Flims"},{"regionID":"CH-1234","name":"Jungfrau - Schilthorn"},{"regionID":"CH-2221","name":"Meiental"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus"}}},{"mainValue":"moderate","validTimePeriod":"later","customData":{"CH":{"subdivision":null}}}],"avalancheProblems":[{"problemType":"wind_slab","dangerRatingValue":"moderate","elevation":{"lowerBound":2400,"upperBound":null},"aspects":["N","NE","E","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"moderate\" (2-) in northwest to northeast to east facing aspects above 2400m."}},"comment":"As a consequence of new snow and a moderate northwesterly wind, mostly small wind slabs will form. These are in some cases prone to triggering. They are to be evaluated with care and prudence in particular 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."},{"problemType":"wet_snow","dangerRatingValue":"moderate","elevation":null,"aspects":[],"validTimePeriod":"later","customData":{"CH":{"subdivision":null}},"comment":"Outgoing longwave radiation during the night will be reduced. As the day progresses as a consequence of warming during the day there will be only a slight increase in the danger of wet avalanches. This applies in particular on steep north facing slopes below approximately 2400 m, as well as on steep east, south and west facing slopes between approximately 2500 and 3000 m.The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]},{"bulletinID":"3ea80335-bcc5-4718-b214-937778af7000","validTime":{"startTime":"2026-04-18T15:00:00Z","endTime":"2026-04-19T15:00:00Z"},"nextUpdate":"2026-04-19T15:00:00Z","publicationTime":"2026-04-18T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-4242","name":"Binntal"},{"regionID":"CH-4222","name":"Zermatt"},{"regionID":"CH-4213","name":"Konkordia Gebiet"},{"regionID":"CH-4223","name":"Saas Fee"},{"regionID":"CH-4214","name":"Riederalp"},{"regionID":"CH-4221","name":"untere Vispertäler"},{"regionID":"CH-6115","name":"untere Leventina"},{"regionID":"CH-1247","name":"Grimselpass"},{"regionID":"CH-4225","name":"Mattmark"},{"regionID":"CH-4232","name":"südliches Simplon Gebiet"},{"regionID":"CH-6111","name":"Bedrettotal"},{"regionID":"CH-4124","name":"Val d'Anniviers"},{"regionID":"CH-4113","name":"Val d'Entremont-Val Ferret"},{"regionID":"CH-4244","name":"südliches Obergoms"},{"regionID":"CH-2223","name":"nördliches Urseren"},{"regionID":"CH-6112","name":"obere Leventina"},{"regionID":"CH-4231","name":"nördliches Simplon Gebiet"},{"regionID":"CH-4241","name":"Reckingen"},{"regionID":"CH-4122","name":"Val d'Hérens"},{"regionID":"CH-4224","name":"Monte Rosa"},{"regionID":"CH-4112","name":"Génépi"},{"regionID":"CH-4123","name":"Arolla"},{"regionID":"CH-4115","name":"Martigny-Verbier"},{"regionID":"CH-4243","name":"nördliches Obergoms"},{"regionID":"CH-4125","name":"Mountet"},{"regionID":"CH-4212","name":"Turtmanntal"},{"regionID":"CH-2224","name":"südliches Urseren"},{"regionID":"CH-4116","name":"Haut Val de Bagnes"},{"regionID":"CH-6114","name":"obere Maggiatäler"}],"dangerRatings":[{"mainValue":"moderate","validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus"}}},{"mainValue":"moderate","validTimePeriod":"later","customData":{"CH":{"subdivision":null}}}],"avalancheProblems":[{"problemType":"persistent_weak_layers","dangerRatingValue":"moderate","elevation":{"lowerBound":2600,"upperBound":null},"aspects":["N","NE","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":"minus","coreZoneText":"Danger level \"moderate\" (2-) in northwest to north to northeast facing aspects above 2600m."}},"comment":"In isolated cases dry avalanches can be released in the old snowpack. Mostly avalanches are medium-sized. These avalanche prone locations are barely recognisable, even to the trained eye. Caution is to be exercised in areas where the snow cover is rather shallow in little used backcountry terrain.The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]},{"bulletinID":"4d88ee35-8d99-4287-9485-287a322c5327","validTime":{"startTime":"2026-04-18T15:00:00Z","endTime":"2026-04-19T15:00:00Z"},"nextUpdate":"2026-04-19T15:00:00Z","publicationTime":"2026-04-18T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1312","name":"Monthey-Val d'Illiez"},{"regionID":"CH-1225","name":"Iffigen"},{"regionID":"CH-4114","name":"Conthey-Fully"},{"regionID":"CH-1222","name":"Gstaad"},{"regionID":"CH-2134","name":"Bisistal"},{"regionID":"CH-1114","name":"Bex-Villars"},{"regionID":"CH-2122","name":"Engelberg"},{"regionID":"CH-1224","name":"Lenk"},{"regionID":"CH-4111","name":"Emosson"},{"regionID":"CH-1223","name":"Wildhorn"},{"regionID":"CH-1228","name":"Obersimmental"},{"regionID":"CH-5121","name":"Calanda"},{"regionID":"CH-3223","name":"Flumserberg"},{"regionID":"CH-3114","name":"Glarus Mitte"},{"regionID":"CH-1241","name":"Brienz-Interlaken"},{"regionID":"CH-1226","name":"Adelboden"},{"regionID":"CH-1242","name":"Grindelwald"},{"regionID":"CH-1112","name":"Pays d'Enhaut"},{"regionID":"CH-1233","name":"Lauterbrunnen"},{"regionID":"CH-3311","name":"Liechtenstein"},{"regionID":"CH-2211","name":"Schächental"},{"regionID":"CH-1231","name":"Kandersteg"},{"regionID":"CH-3222","name":"Alpstein - Alvier"},{"regionID":"CH-2123","name":"Melchtal"},{"regionID":"CH-3224","name":"Sarganserland"},{"regionID":"CH-1244","name":"Hasliberg - Rosenlaui"},{"regionID":"CH-4121","name":"Montana"},{"regionID":"CH-4215","name":"Leuk"},{"regionID":"CH-1227","name":"Engstligen"},{"regionID":"CH-2212","name":"Uri Rot Stock"}],"dangerRatings":[{"mainValue":"low","validTimePeriod":"all_day","customData":{"CH":{"subdivision":null}}},{"mainValue":"moderate","validTimePeriod":"later","customData":{"CH":{"subdivision":null}}}],"avalancheProblems":[{"problemType":"no_distinct_avalanche_problem","dangerRatingValue":"low","elevation":{"lowerBound":2200,"upperBound":null},"aspects":["N","NE","E","SE","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":null,"coreZoneText":"Danger level \"low\" (1) in southwest to north to southeast facing aspects above 2200m."}},"comment":"As a consequence of new snow and a moderate northwesterly wind, small wind slabs will form in some localities. The number and size of avalanche prone locations will increase in the high Alpine regions. Apart from the danger of being buried, restraint should be exercised in particular in view of the danger of avalanches sweeping people along and giving rise to falls."},{"problemType":"wet_snow","dangerRatingValue":"moderate","elevation":null,"aspects":[],"validTimePeriod":"later","customData":{"CH":{"subdivision":null}},"comment":"Outgoing longwave radiation during the night will be reduced. As the day progresses as a consequence of warming during the day there will be only a slight increase in the danger of wet avalanches. This applies in particular on steep north facing slopes below approximately 2400 m, as well as on steep east, south and west facing slopes between approximately 2500 and 3000 m.The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]},{"bulletinID":"6a11a031-24fb-4501-bfbc-e62250ec0ee3","validTime":{"startTime":"2026-04-18T15:00:00Z","endTime":"2026-04-19T15:00:00Z"},"nextUpdate":"2026-04-19T15:00:00Z","publicationTime":"2026-04-18T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-6122","name":"Riviera"},{"regionID":"CH-6121","name":"untere Maggiatäler"}],"dangerRatings":[{"mainValue":"low","validTimePeriod":"all_day","customData":{"CH":{"subdivision":null}}},{"mainValue":"moderate","validTimePeriod":"later","customData":{"CH":{"subdivision":null}}}],"avalancheProblems":[{"problemType":"no_distinct_avalanche_problem","dangerRatingValue":"low","elevation":{"lowerBound":2200,"upperBound":null},"aspects":["N","NE","E","SE","SW","W","NW"],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":null,"coreZoneText":"Danger level \"low\" (1) in southwest to north to southeast facing aspects above 2200m."}},"comment":"As a consequence of new snow and a moderate northwesterly wind, small wind slabs will form in some localities. The number and size of avalanche prone locations will increase in the high Alpine regions. Apart from the danger of being buried, restraint should be exercised in particular in view of the danger of avalanches sweeping people along and giving rise to falls."},{"problemType":"wet_snow","dangerRatingValue":"moderate","elevation":null,"aspects":[],"validTimePeriod":"later","customData":{"CH":{"subdivision":null}},"comment":"Outgoing longwave radiation during the night will be reduced in some case. As the day progresses as a consequence of warming during the day and solar radiation there will be an increase in the danger of wet avalanches. This applies in particular on steep north facing slopes below approximately 2400 m, as well as on steep east, south and west facing slopes between approximately 2500 and 3000 m.The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]},{"bulletinID":"a1f2130a-6fba-4b97-8103-c4d7a1a530a2","validTime":{"startTime":"2026-04-18T15:00:00Z","endTime":"2026-04-19T15:00:00Z"},"nextUpdate":"2026-04-19T15:00:00Z","publicationTime":"2026-04-18T15:00:00Z","lang":"en","unscheduled":false,"regions":[{"regionID":"CH-1311","name":"Vouvry"},{"regionID":"CH-1213","name":"Hohgant"},{"regionID":"CH-6131","name":"Luganese"},{"regionID":"CH-3111","name":"Glarus Nord"},{"regionID":"CH-2132","name":"Ybrig"},{"regionID":"CH-2111","name":"Pilatus"},{"regionID":"CH-2121","name":"Glaubenberg"},{"regionID":"CH-1221","name":"Niedersimmental"},{"regionID":"CH-1121","name":"Jaun"},{"regionID":"CH-1212","name":"östliche Berner Voralpen"},{"regionID":"CH-2133","name":"Stoos"},{"regionID":"CH-3221","name":"Toggenburg"},{"regionID":"CH-2124","name":"Gersau"},{"regionID":"CH-1111","name":"Waadtländer Voralpen"},{"regionID":"CH-2131","name":"Rothenthurm"},{"regionID":"CH-1113","name":"Aigle-Leysin"}],"dangerRatings":[{"mainValue":"low","validTimePeriod":"all_day","customData":{"CH":{"subdivision":null}}}],"avalancheProblems":[{"problemType":"wet_snow","dangerRatingValue":"low","elevation":null,"aspects":[],"validTimePeriod":"all_day","customData":{"CH":{"subdivision":null}},"comment":"On very steep slopes individual wet snow slides are possible. Restraint should be exercised because avalanches can sweep people along and give rise to falls."}],"customData":{"CH":{"aggregation":[{"category":"wet","validTimePeriod":"all_day","problemTypes":["wet_snow"]}]}},"weatherForecast":{"comment":"The night into Sunday will be partly cloudy. During the day it will be mostly cloudy in the northeast and showers and thunderstorms are possible. The snowfall level will drop from around 2200 m to 1900 m. In the south and west it will be partly cloudy. Isolated showers are possible, but sunny spells are also to be expected.
In the north, 5 to 10 cm is possible above 2500 m. Locally, there may also be heavier precipitation in the form of showers.
At midday at 2000 m, between + 3 °C in the northeast and + 6 °C in the west and south
Light to moderate from the northwest, becoming stronger in the afternoon
"},"weatherReview":{"comment":"The night into Saturday was mostly clear. During the day it was mostly sunny with high cloud and some cumulus clouds developing in the afternoon.
-
At midday at 2000 m around +8 °C
Mostly light, sometimes moderate from westerly directions
"},"snowpackStructure":{"comment":"With the mild weather, moisture penetration into the snowpack is well advanced. At present, north-facing slopes at altitudes between 2200 and 2600 m are most susceptible to moisture penetration. On east- and west-facing slopes, the critical altitudes are somewhat higher, at approximately between 2500 and 2800 m. On south-facing slopes, moisture penetration extends as far as the high alpine regions. It is especially on these aspects and at these critical altitudes that isolated large or occasionally even very large wet slab avalanches may be triggered naturally. In Grisons in particular, the weak layers in the old snowpack are the least deeply buried, and it is here that wet slab avalanches are likely also to be triggered by human activity. Whumpfing sounds continue to be a possible indication of a weak snowpack.
At higher altitudes, where the snow cover is still dry, the weak layers in the old snowpack must continue to be assessed with caution. However, dry avalanches have been rare in recent days.
"},"tendency":[{"comment":"In the west and south it will be quite sunny after mostly clear nights. In the northeast there will be somewhat more cloud and it will only be partly sunny. As the day progresses, isolated showers are possible.
The danger of dry avalanches will not change significantly.
The danger of wet avalanches will increase during each day. Off-piste skiing and hut ascents should be completed in good time.
"}]}],"customData":{"CH":{"base":"be732c23-a774-4eda-a3ba-d8cf520eb3e5:174"}}}