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Current heat wave hazards

Updated on: 23.06.2025, 10:53
Complex visual representation of the current natural hazards situation in Switzerland. The identical information is available in text form below.

Current heat wave hazards in Switzerland

  (3 Messages) show
  • Heat waves: Moderate danger, level 2

    Validity: 24.06.2025, 12:00 - 25.06.2025, 20:00
    - Warning valid below 600 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).
    - Highest temperatures and humidity: 31 - 33 °C, 40 - 50 %
    - Lowest night temperatures: 18 - 21 °C
    0:Heat-Wave:2:MCH:308,306,307,309,310,311,305:
  • Heat waves: Moderate danger, level 2

    Validity: 22.06.2025, 12:00 - 23.06.2025, 12:00
    - Warning valid below 800 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).
    - Highest temperatures and humidity: 31 - 34 °C, 50 - 60 %
    - Lowest night temperatures: 18 - 22 °C
    1:Heat-Wave:2:MCH:118,107,134,169,179,151,146,133,167,132,124,117,162,159,140,126,135,141,108,137,147,131,180,153,101,139,150,119,114,177,121,176,175,160,144,110,168,182,178,105,109,154,111,128,125,155,103,152,104,106,143,170,161,136,116,142,123,164,120,115,163,127,145:
  • Heat waves: Moderate danger, level 2

    Validity: 22.06.2025, 12:00 - 23.06.2025, 12:00
    - Warning valid below 800 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). 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 - 34 °C, 40 - 60 %
    - Lowest night temperatures: 19 - 22 °C
    2:Heat-Wave:2:MCH:211,204,214,213,232,226,231,219,224,202,230,244,243,225,235,223,221,207,208,205,227,242,216,220,240,251,210,218,203,237,222,233,215,102,212,217,206,201,236,247,239,209: