Negative temperatures are forecasted in Alsace, Moselle, and Savoie during the night of November 30 to December 1, according to Météo-France. Morning frost is expected in a large part of the northeastern territory, with temperatures ranging from -2 to -5°C. Temperatures will rise on Sunday, marking the meteorological start of winter, with readings between 1 and 6 degrees in the affected areas. Other regions will see temperatures ranging from 2 degrees in Reims, Belfort, and Bourg-Saint-Maurice, up to 17 degrees in Bayonne.