Overview
- Forecasters say the chill deepens from Sunday through midweek with several days without afternoon thaw in the east and center, and the coldest night expected Tuesday into Wednesday.
- High-altitude instruments at the Aiguille du Midi recorded -22.6 C with 101 km/h gusts, yielding a wind chill of -40.3 C and underscoring severe mountain conditions.
- Météo-France placed Haute-Savoie under yellow severe-cold vigilance from Saturday afternoon as minimums near -3 C to -4 C and highs hover around 1 C in lowlands.
- Nouvelle-Aquitaine logged sharp lows including -7.1 C at Bergerac, -4.3 C at Cazaux, and -3.3 C in Bordeaux, while a brief snow shower whitened parts of Paris and northern France.
- Snow showers are forecast for parts of the Southwest late Monday into Tuesday morning, and some outlooks suggest an Atlantic warm-up later in the week that could bring stronger winds.