
A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. 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.