With temperatures plummeting, snow made a comeback in Paris and the Île-de-France region on Monday evening (January 8) and Tuesday morning. See photos of Paris under the snow. Météo France is reporting heavier-than-expected snowfall, with icy patches on the roads in the south-west of the Île-de-France region. The departments of Essonne and Yvelines have been placed under vigilance orange, and Val-d'Oise under vigilance jaune.