Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

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Last Map Update: Wed, May 20, 2026 at 12:04:25 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Small Craft Advisory

Level Up Temps!

After a chilly Monday, our weather is hitting the next level. We're tracking a steady warm-up, pushing valley highs into the 80s in lower valleys and 70s in the Sierra by Wednesday. Memorial Day weekend looks mostly dry with a <10% chance of showers/storms.