Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

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Last Map Update: Fri, Apr 10, 2026 at 7:28:42 am PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Winter Storm Warning

Winter Weather Advisory

Small Craft Advisory

Wind Advisory

Winter Storm Watch

Marine Weather Statement

Weather This Weekend

Weekend Severe Weather Outlook

Elevated Fire Danger for Kern County

Saturday & Sunday Winter Storm Severity Index

An active weather pattern continues for central California into the weekend. Daily chances for lightning exist through Monday, with the greatest chances taking place today. Remember: no place outside is safe in a thunderstorm. Heavy valley rain and significant Sierra snow will also peak this weekend. Stay aware! #CAwx

Thunderstorms are expected once again Friday afternoon for central California, mainly in areas north of Kern County. A Marginal Risk (level 1 of 5) for severe weather has been issued by the Storm Prediction Center for the northern San Joaquin Valley, with a 5% probability for hail within the risk area. Severe weather risk largely moves out of the area Saturday before returning on Sunday.

Moderate Fire Risk for fast advancing grass fires. Now through Thursday, winds gusting to 45 mph with worst cast minimum relative humidity as low as 20%. Then Friday through Sunday relative humidity will increase to between 25% and 35%, but wind gusts will increase to 55 mph.

A strong uptick in precipitation and lowering snow levels late Saturday into Sunday morning will bring widespread Moderate to Major winter storm impacts to the Sierra Nevada, mainly above 7,000 feet. A Winter Storm Warning will go into effect for this area starting 5 PM this afternoon and remain in effect until 11 PM Sunday evening.