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Return heat, but how long?:
Return of heat at the end of the weekend
The heat wave ended this week on our country, giving way to much more refreshed temperatures, passing under the normal of the period on the majority of the country due to a flow temporarily oriented to the northwest at altitude.
However, this more or less relative freshness will remain temporary. Meanwhile, Indeed. Consequently, with the approach of ex-Ouragan Erin on the Atlantic, the flow will again switch in the coming days in altitude, this time orienting itself in the south/southwest between the end of the weekend and the start of next week. Therefore, As a result, warmer air will be adveteed from northern Africa again and the Iberian Peninsula to France.
Temperature animation at 850 hpa on Europe from August 22 to 27, 2025 – Modèle GFS via WX CHARTS
Thus, while they are currently located under the normal of a last decade of August, the temperatures will go back above seasonal normal at the end of the weekend, first on the west then on almost all of France early next week.
Animation of temperature anomalies at 2m on Europe from August 21 to 27, 2025 – Via TropicalTidBits
This revival of heat will thus start on the west of the country this Saturday with heat becoming strong again in the southwest of France on Sunday. This strong and summer heat will then increase on a large western part on Monday while gradually spreading north. Almost return heat, but how long? all of the northern France will be concerned on Tuesday while the South will remain a little more away due to a risk of showers. thunderstorms.
Evolution of maximum temperatures on France from August 23 to 26, 2025 -Weather
The exact intensity of this heat will nevertheless remain to be specified, the nebulosity and the magnitude of the instability being still quite uncertain at the beginning of next week. In any case, this heat peak will have nothing to do with what we have known recently.
Return heat, but how long?
A warm heat?
If the heat promises to be much less marked than the scorching period that we knew during this month of August 2025. it will also be much less durable. Indeed. a drop in temperatures is expected to start next return heat, but how long? week next week with the resumption of oceanic influence on the fringes of a large depressional area (ex-Ouragan Erin) on the British Islands.
This depression area should gradually slide towards France. therefore bringing a new remarkable decrease in temperatures, in more than a much humid and disturbed time on the majority of the country.
Temperature animation at 850 HPA on Europe from August 25 to 31, 2025 – Modèle GFS via WX CHARTS
According to the latest modeling, this type of wet and fairly fresh time could also persist the following week on France, our country remaining under this predominantly oceanic influence. Only the Mediterranean regions could remain a little more away.
Temperature and precipitation anomalies on Europe for the week from September 1 to 7, 2025 – ECMWF
return heat, but how long?
Author: Tristan Bergen
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