Heat warning level 4: Gersau-Engelbergertal affected
This warning was lifted on 05.08.2026 20:00 CEST and is no longer active.
Summary
A level 4 out of 5 heat warning is in effect for Gersau-Engelbergertal. Persistently high temperatures are straining health and circulation.
What hazard threatens
Persistently high day and night temperatures favour dehydration, heat stroke and circulatory problems, particularly among the elderly, infants, pregnant women and the chronically ill. The risk of forest and wildfires is also rising.
Local weather conditions
Measuring station Pilatus, 2105 m a.s.l., 18 km from the event
17.8 °C
21.1 °C
60 %
Day of warning and following days
- Wed 29.07. 21° 15° measured
As of: Values as at the time of the warning; they are not updated afterwards.
Source: MeteoSwiss
Context & protective measures
Background: heat waves are becoming more frequent and intense in Switzerland. The greatest danger is the health burden from persistently high day and night temperatures, which favour dehydration, heat stroke and circulatory problems. The elderly, the chronically ill, pregnant women and infants are particularly at risk.
Recommendation
The likelihood is assessed as medium and the potential impact as high. Use the linked guide to prepare specifically for this period of extreme heat.
What to do now
Drink enough fluids and avoid physical exertion and outdoor activity during the midday heat. Ventilate living spaces at night and in the morning, keep them shaded during the day, look after vulnerable people around you and observe any outdoor fire bans in effect.
Risk matrix
Event location
- Coordinates · WGS84
- 46.8956° N, 8.4607° E
- 46°53′44.2″ N 8°27′38.6″ E