Overview
- Showers on Monday reach the Northwest, Tuscany and Lazio, with the North overall on the fringe of the main instability.
- On Wednesday a developing vortex approaches Sardinia with strengthening southerly winds and broader cloud cover.
- By Thursday the system favors Puglia, Calabria and the Ionian side of Basilicata with heavy, persistent rain and local storms.
- Winds strengthen between Abruzzo, Molise, Puglia and southern Tyrrhenian coasts, while temperatures run below average with mountain snow on the Alps and continued snowfall along the Apennines.
- A sequence of fronts is forecast through the December 7–8 holiday, with a possible brief lull afterward that remains uncertain.