
An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >
1. The forecast represents the expected average conditions near the point of interest chosen.
2. Wind direction and speed may vary from the official forecast, due to channeling or eddying, especially in bays and coves, and downwind from points.
3. Within the forecast product, a "-" symbol represents values of less than 15% in the thunder category where a "+" symbol represents 100% in the sky, precip, and thunder categories.
Click a lake icon on the map to display the forecast for that lake, or scroll down the page for text links to all the forecasts.