LIONEL BONAVENTURE / AFP
A pharmacy brand indicating a temperature of 45 ° C in Toulouse on August 11, 2025.
Weather – No respite for the heat wave. While overwhelming heat struck France and in particular the South West at the start of the week, and the thermometer still exceeded 40 ° C this Wednesday August 13 in Lyon, Météo-France now indicates that a “New scorching peak is expected for the weekend of August 15”.
The heat wave that is currently affecting France, the 51st since 1947, “Should continue at the end of the week”Météo-France insists. Friday and Saturday days are expected to be particularly hot, with “Again values that can reach 40 ° C in the southwest”continues the meteorological institute, while the north should remain “Outfall of the most intense heat”.
“Friday, after a new hot night on three south-east-east of the country where temperatures do not descend under 20 ° C, temperatures again reach 38 to 40 ° C in the afternoon between the Toulouse south, the Landes and the south of the Charentes”, Indicates Météo-France.
Météo France
Temperatures should still exceed 40 ° C this Friday, August 15 in the Southwest.
A heat wave comparable to that of 2003 in the southwest
Just for Thursday, despite a heat “In slight attenuation on the north and east” but remaining “Strong in general”temperatures should be between 35 and 38 ° C in the afternoon in the southwest, and locally a little higher in Occitania.
According to Météo-France, this resurgence of the heat wave would be due to “A new high pressure zone” which will be established on Western Europe, “With a” heat dome “effect inherent in this kind of situation”. Enough to make the meteorological institute say that in the southwest, “The heat wave promises to be comparable in intensity and duration to that of August 2003”.
Thunderstorms, on the other hand, should be confined “To the reliefs of the eastern country” During the weekend, and “Losing intensity compared to previous days”. The stormy risk is however very present at the end of Wednesday, August 13. Météo-France warns against “Southwest storms in the Massif Central, as well as on the Alps and the Corsican Relief” during the afternoon, which will then progress in the early evening and in the night “East of the Massif Central and the north of the country”.
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A direct consequence of the heat wave, the use of emergency care linked to heat has increased in France since the return of the strong temperatures in August, the Public Health Agency France said this Wednesday, with already more than a hundred emergency passes every day.
“The first health impacts observed underline that heat is a health risk, for all age groups”underlines the public health agency in a first sanitary assessment on the consequences of the new heat wave.
If it is far too early to give an assessment of the effects of this heat wave in terms of death, Public Health France can already measure the use of emergency care for heat -related disorders: dehydration, hot stroke … and disorders do not only concern older people, most vulnerable to heat wave. The increase is even the most marked for 15-44 year olds, “Mainly for hyperthermia or heat stroke”according to the agency.
