Atmospheric River To Soak Northern California - Videos from The Weather Channel
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Atmospheric River To Soak Northern California

December 21, 2025

Atmospheric rivers continue to soak the West, bringing heavy rainfall, gusty winds and mountain snowfall. The latest event is ramping up for Northern and Central California this weekend and is expected to last into the week. Flood watches are in effect through the next several days, where widespread rainfall of 5 to 8 inches is possible through Thursday and isolated totals could near a foot. Cities like Sacramento, Los Angeles and San Francisco could see a month's worth of rainfall this upcoming week. Mountain snowfall is also possible across the Cascades and the Sierra Nevada. Here’s the latest.