Météo France has placed the Gard in yellow vigilance for thunderstorms and rain-innon from Tuesday August 19 and even plans to raise the alert due to forecasts. The heat wave alert must be lifted that day.
On orange alert for heat wave until Tuesday August 19, 6 a.m., the Gard is also placed in yellow vigilance for thunderstorms and rain-roller that day from noon. Météo France announces it in its latest bulletin: “After a night from Monday to Tuesday still very hot around the Mediterranean periphery, a stormy degradation locally marked on the southern east half”.
A \ UD83C \ UDF00#FouTEFROIDE (or altitude depression) will end the heat wave in the south of the #France. This cocktail (very hot air on the surface and cold drop of altitude) could be explosive with #ores \ UD83C \ UDF29 \ UFE0F violent. A situation that our services follow closely. pic.twitter.com/sl34GJvZNn
– The weather channel (@lachainemeteo) August 15, 2025
This is also confirmed by the weather chain which explains the phenomenon by the arrival of an altitude depression, the famous cold drop.
Cumulative rain to monitor
It will be the end of a heat wave lasting almost record of more than ten days! Temperatures will fall from six to nine degrees in Alès, Nîmes, Bagnols-sur-Cèze, the maximums will go from 35 ° to 26 ° C in places! The day should be quite agitated with accuracy of significant precipitation to monitor, especially in the west of the department, in Cévennes, in the Piedmont Cévenol, before the possible arrival of thunderstorms in the plain. Time will still be disrupted on Wednesday and Thursday.
Météo France announces the risk of high rainy intensities on Languedoc: “A worsening of vigilance is not excluded. “ Under the thunderstorms, in addition to the accumulation of rains, hail could fall with strong gusts of wind rather from Tuesday afternoon.