Very strong heat is expected on the center-east (especially on the Rhône and Isère) as well as on twenty departments in the South, from eastern Occitania in Bouches-du-Rhône.
This Monday, June 23, 2025 afternoon, the highest maximums in France focus on a large south-eastern quarter of the country, with 32 ° C at 35 ° C (up to 37 ° C in Provence).
Temperatures that will exceed 30 ° C
This Tuesday, June 25, 2025, a new increase in temperatures is expected, in particular in the southern half where the maximum reach 35 to 37 ° C from Aquitaine to the Mediterranean regions (locally 38 to 39 ° C in the interior of Languedoc). On the center-east, the maximums will be between 32 ° C and 35 ° C.
The night from Tuesday to Wednesday is very hot on a large southern half with 20 ° C at 25 ° C most often. Wednesday afternoon, the very strong heat extend to the east, before a refreshment from the west.
The Rhône and Isère remain in orange vigilance
Météo France extends orange heat wave for Isère and Rhône.
Twenty other departments remain in yellow vigilance:
- Haute-Garonne
- Tarn
- hears
- Pyrénées-Orientales
- Hérault
- Gard
- Bouches-du-Rhône
- Vaucluse
- Drome
- Ardèche
- Haute-Loire
- Loire
- Ain
- Haute-Savoie
- Savoy
Six of the fifteen departments are in Occitania.
A risk of strong thunderstorms on Wednesday
The fact remains that Météo France provides for the return of thunderstorms after these heat wave episodes. A thunderstorm degradation is indeed expected on the southwest part. The departments of the Girondeof the Landesof the Pyrénées-Atlantiquesof the Hautes-Pyrénéesof the Haute-Garonnefrom theAriège and Pyrénées-Orientales.