Moderate thunderstorm warning
Moderate damages may occur, especially in vulnerable or in exposed areas and to people who carry out weather-related activities.
From: May 31, 2025 22:00
Until: Sep 04, 2025 22:00
Moderate rain-flood warning
Moderate damages may occur, especially in vulnerable or in exposed areas and to people who carry out weather-related activities.
From: Jun 03, 2025 22:00
Until: Sep 01, 2025 22:00
Strong rainfall
- Possible impacts: Rising water level of streams in areas where the ground is already saturated.
- Recommendations for action: Stay away from watercourses and steep slopes. Avoid flooded stretches of road and drive around.
- Expected amounts: 20-40 mm
- Snowfall limit: 2400 - 3100 m (sinking)
From: Aug 31, 2025 08:29
Until: Sep 01, 2025 19:00
Continuous rain
- Possible impacts: Rising water level of streams and normally dry ditches. Localised flooding, e.g. in underpasses, underground garages and cellars. Landslides on steep slopes. Disruption to road traffic (longer journey times, risk of accidents) due to poor visibility and flooding.
- Recommendations for action: Stay away from watercourses, lake shore areas and steep slopes. Pay attention to possible flood warnings from the FOEN. Keep out of cellars and basements when there is a danger of flooding (see procedures for flooding). Avoid watercourses in the mountains at all cost, as these are prone to mudslides. A mudslide can occur very suddenly and without warning, and can be a powerful destructive force.
- Expected amounts: 40-80 mm
- Snowfall limit: 4000-3000 m (sinking)
- Peak phase of the event: Wed 20 - Thu 12
- Intensifying conditions: locally higher precipitation amounts due to embedded thunderstorms
From: Aug 27, 2025 09:05
Until: Aug 28, 2025 22:00
Heat wave
- Warning valid below 800 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Contact those around you who fall into the risk category and ensure that they are well and able to follow the existing recommendations. Do not leave people or animals unattended in cars.
- Highest temperatures and humidity: 30 - 33 °C, 35 - 50 %
- Lowest night temperatures: 17 - 21 °C
- Peak phase of the event: -
- Temporary mitigation: -
From: Aug 15, 2025 17:45
Until: Aug 17, 2025 18:00
Heat wave
- Warning valid below 800 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Contact those around you who fall into the risk category and ensure that they are well and able to follow the existing recommendations. Do not leave people or animals unattended in cars.
- Highest temperatures and humidity: 32 - 37 °C, 35 - 50 %
- Lowest night temperatures: 17 - 23 °C
- Peak phase of the event: Tue 12 - Wed 20
- Temporary mitigation: -
From: Aug 11, 2025 08:59
Until: Aug 17, 2025 18:00
Heat wave
- Warning valid below 600 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Allow air to circulate through your home or other buildings before the hot part of the day, i.e. during the night and early in the morning. Avoid vigorous physical activity or compensate for salt loss during or after sport activities.
- Highest temperatures and humidity: 32 - 35 °C, 35 - 45 %
- Lowest night temperatures: 15 - 19 °C
- Peak phase of the event: -
- Temporary mitigation: -
From: Aug 08, 2025 08:57
Until: Aug 13, 2025 18:00
Heat wave possible
- Warning valid below 800 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Allow air to circulate through your home or other buildings before the hot part of the day, i.e. during the night and early in the morning. Avoid vigorous physical activity or compensate for salt loss during or after sport activities.
- Highest temperatures and humidity: 32 - 35 °C, 35 - 45 %
- Lowest night temperatures: 17 - 21 °C
- Peak phase of the event: Sat 12 - Sat 20, Mon 12 - Wed 20
- Temporary mitigation: -
From: Aug 07, 2025 08:59
Until: Aug 13, 2025 18:00
Vigilance orange orages
Violents orages susceptibles de provoquer, localement des dégâts importants. Des vies et des biens peuvent être, localement, mis en danger.
From: Jun 06, 2025 04:00
Until: Jul 19, 2025 22:00
Severe thunderstorm warning
Severe thunderstorms are likely to cause severe damage locally. Lives and goods may be locally at stake.
From: Jul 19, 2025 04:02
Until: Jul 19, 2025 22:00
Vigilance jaune canicule
Des phénomènes habituels dans la région mais occasionnellement et localement dangereux sont prévus (exemple : mistral, orage d'été, montée des eaux, fortes vagues submergeant le littoral).
From: Jun 14, 2025 04:00
Until: Jul 05, 2025 22:00
Severe high-temperature warning
Everyone is in danger, even those in good health. Danger is greater for elderly people, people suffering from chronicle diseases or from mental health troubles, people who regularly take medicine or people who are isolated. Watch for dehydration and heatstroke, especially in sportsmen and people working outside. Pay attention to children. Heatstroke symptoms are : a fever above 40°, hot, red and dry skin, headaches, nausea, drowsiness, intense thirst, confusion, convulsions and loss of consciousness.
From: Jun 24, 2025 22:00
Until: Jul 03, 2025 22:00
Heat wave
- Warning valid below 800 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Avoid vigorous physical activity or compensate for salt loss during or after sport activities.
- Highest temperatures and humidity: 32 - 35 °C, 35 - 60 %
- Lowest night temperatures: 17 - 22 °C
- Peak phase of the event: -
- Temporary mitigation: -
From: Jun 27, 2025 09:01
Until: Jul 03, 2025 18:00
Vigilance orange canicule
Chacun d'entre nous est menacé, même les sujets en bonne santé. Le danger est plus grand pour les personnes âgées, les personnes atteintes de maladie chronique ou de troubles de la santé mentale, les personnes qui prennent régulièrement des médicaments, et les personnes isolées. Chez les sportifs et les personnes qui travaillent dehors, attention à la déshydratation et au coup de chaleur. Veillez aussi sur les enfants. Les symptômes d'un coup de chaleur sont : une fièvre supérieure à 40°C, une peau chaude, rouge et sèche, des maux de tête, des nausées, une somnolence, une soif intense, une confusion, des convulsions et une perte de connaissance.
From: Jun 23, 2025 08:00
Until: Jun 24, 2025 22:00
Heat
- Warning valid below 500 m a.s.l.
- Possible impacts: Moderate risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Protect yourself from direct sunlight (stay in the shade, wear suitable clothing, a hat, sunglasses and sun cream). Do not leave people or animals unattended in cars.
- Highest temperatures and humidity: 30 - 34 °C, 30 - 50 %
- Lowest night temperatures: 19 - 21 °C
From: Jun 12, 2025 08:48
Until: Jun 15, 2025 07:00
Strong rainfall
- Possible impacts: Rising water level of streams in areas where the ground is already saturated. Localised flooding in areas where the ground is already saturated, e.g. in underpasses, underground garages and cellars.
- Recommendations for action: Stay away from watercourses and steep slopes.
- Expected amounts: 20-45 mm
- Snowfall limit: 2700 - 3000 m
From: Jun 07, 2025 02:00
Until: Jun 07, 2025 13:00
Widespread heavy thunderstorms (90-120 km/h, 2-4 cm hail, 30-50 mm/h)
- Accessory phenomenon (possible impacts): High lightning rate (lightning strikes). Stormy winds (breaking of branches, toppling of individual trees). Heavy rainfall (landslides on steep slopes, sudden flash flooding of streams and/or floodings). Hail (damage caused by hail).
- Thunderstorm type: moving thunderstorms
- Accessory phenomenon: -
- Peak phase of the event: Fri 20 - Sat 02
From: Jun 06, 2025 08:10
Until: Jun 07, 2025 02:00
Vigilance jaune pluie-inondation
Des phénomènes habituels dans la région mais occasionnellement et localement dangereux sont prévus (exemple : mistral, orage d'été, montée des eaux, fortes vagues submergeant le littoral).
From: Jun 04, 2025 22:00
Until: Jun 05, 2025 22:00
Vigilance jaune orages
Des phénomènes habituels dans la région mais occasionnellement et localement dangereux sont prévus (exemple : mistral, orage d'été, montée des eaux, fortes vagues submergeant le littoral).
From: Jun 04, 2025 22:00
Until: Jun 05, 2025 22:00
Vigilance jaune avalanches
Des phénomènes habituels dans la région mais occasionnellement et localement dangereux sont prévus (exemple : mistral, orage d'été, montée des eaux, fortes vagues submergeant le littoral).
From: May 04, 2025 04:00
Until: Jun 04, 2025 22:00
Severe rain-flood warning
Heavy rain likely to impact human activities is expected. Due to rainfall, visibility may be reduced, floods are possible. Road traffic conditions may be difficult and some disruptions may affect rail travel.
From: Jun 03, 2025 22:01
Until: Jun 04, 2025 22:00
Widespread heavy thunderstorms (90-120 km/h, 2-4 cm hail, 30-50 mm/h)
- Accessory phenomenon (possible impacts): High lightning rate (lightning strikes). Stormy winds (breaking of branches, toppling of individual trees). Heavy rainfall (landslides on steep slopes, sudden flash flooding of streams and/or floodings).
- Thunderstorm type: moving thunderstorms
- Accessory phenomenon: -
- Peak phase of the event: Wed 13 - Wed 17
From: Jun 04, 2025 05:59
Until: Jun 04, 2025 18:00
