Information bulletin
Orange meteorological alert for thunderstorms in the department of Haute-Garonne
Automatically translated from French ·

Published on Thursday, October 1, 2026 at 3:22 PM
# Orange weather warning for thunderstorms in the department of Haute-Garonne Updated on 24/08/2026 **Where?** : Throughout the department of Haute-Garonne. **When?** : The event is expected on Monday, 24 August 2026, from 15:00 to 20:00. **Event description** : Thunderstorm orange weather warning in effect starting Monday, 24 August 2026 **General situation** : During a new hot day, the air mass becomes significantly unstable, triggering a weather deterioration
Orange weather warning for thunderstorms in the department of Haute-Garonne
Updated on 24/08/2026
Where? : Throughout the department of Haute-Garonne.
When? : The event is expected on Monday, 24 August 2026, from 15:00 to 20:00.
Event description : Thunderstorm orange weather warning effective from this Monday, 24 August 2026.
General situation : During another hot day, the air mass becomes significantly unstable, triggering marked thunderstorm development across most of the former Midi-Pyrénées region.
Expected evolution : In the early afternoon, violent thunderstorms originating from Gers and Lot-et-Garonne are expected to reach Haute-Garonne between 15:00 and 20:00.
These thunderstorms will be characterized by:
* strong gusts of wind, between 90 and 110, or even up to 120 km/h,
* hailstones of medium to large size,
* heavy rainfall intensities sometimes resulting in accumulations of around 30 mm within one hour,
* intense electrical activity.
Orange weather warning for severe thunderstorms accompanied by strong winds: speed limit reductions implemented on motorways, national roads, and departmental roads D1124 and D820 in Haute-Garonne
Météo France has placed the department of Haute-Garonne under orange weather warning for a period of intense rainfall and thunderstorms between 14:00 and 21:00 today.
Expected evolution:
In the early afternoon, violent thunderstorms originating from the north-west of Occitanie will move across the western part of Haute-Garonne.
Wind gusts will reach 90 to 110 km/h, with localized peaks up to 120 km/h.
Heavy rainfall may occasionally lead to accumulations of around 30 mm in one hour, as well as hailstorms, all accompanied by intense electrical activity.
Road safety:
Measures taken by zone and prefectural order, on Tuesday 24 August between 14:00 and 21:00, on motorways, national roads, and departmental roads D1124 and D820 in the department of Haute-Garonne:
• reduction of the speed limit by 20 km/h for all vehicles (heavy goods vehicles and light vehicles)
• prohibition of overtaking for heavy goods vehicles
The prefect urges everyone to remain extremely vigilant and to comply with safety instructions.
Guides for Haute-Garonne
Piqûres et morsures en Occitanie : bons gestes à adopter
En période estivale, méduses, tiques, abeilles, guêpes, frelons et moustiques tigres sont présents en Occitanie. Pour limiter les risques, adoptez les bons réflexes. En cas de réaction allergique, appelez immédiatement le 15 ou le 112.
Prevention of drowning risks in Haute-Garonne
In 2025, 19 drownings were recorded in Haute-Garonne, nearly 40% of which were fatal. To swim safely, keep a close eye on children and adopt proper safety behaviors in rivers, lakes, and swimming pools.

Prévention des risques en montagne l'été
L'été, la montagne attire de nombreux vacanciers. Pour profiter en toute sécurité, il est essentiel de bien se préparer : matériel adapté, météo surveillée, itinéraire partagé. Le ministère des Sports recommande des gestes simples pour éviter les accidents.
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