A fourth heatwave is sweeping across Switzerland, prompting level 3 heatwave alerts in several regions according to the MétéoSuisse vigilance bulletin. The weather event has already affected lowland areas south of the Alps and is expanding to include the Lemanic region, a territory stretching between the Three-Lakes region and the Basel-Schaffhausen area, parts of the central and eastern Plateau, and the Rhine Valley.
Temperature Projections and Humidity Levels Across Switzerland
Temperatures are forecast to climb throughout the week until approximately August 16, reaching peaks between 31 and 36 °C nationwide. According to observational data from MétéoSuisse, the lowest temperatures will range from 19 to 23 °C in the southern regions. In the north, minimum temperatures will hover between 16 and 21 °C, accompanied by relative humidity levels ranging from 30 to 50 percent.
Did You Know? MétéoSuisse issues level 3 heatwave alerts for regions anticipating extreme conditions, urging residents in affected zones to take necessary precautions such as keeping window blinds closed during peak sunlight hours.
Impact on Lakes and Nocturnal Conditions
“The nights will probably be tropical around the large lakes, especially since the water temperature is very high,” warned meteorologist Olivier Duding during an interview with RTS.
Frequently Asked Questions
Which regions of Switzerland are affected by the fourth heatwave?
The heatwave affects lowland regions south of the Alps, the Lemanic region, the territory between the Three-Lakes region and the Basel-Schaffhausen area, parts of the central and eastern Plateau, and the Rhine Valley, all of which are under a level 3 heatwave alert according to MétéoSuisse.
How high are temperatures expected to climb?
Temperatures are expected to reach peak highs between 31 and 36 °C across the country during the week leading up to approximately August 16.
What are the expected nighttime temperatures and conditions?
Lowest temperatures will range from 19 to 23 °C in the south and 16 to 21 °C in the north, with meteorologist Olivier Duding warning that nights will likely be tropical around large lakes due to very high water temperatures.
What steps are you taking to stay cool during this latest wave of high temperatures?
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