Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

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Last Map Update: Thu, May 15, 2025 at 9:22:22 am PDT

Watches, Warnings & Advisories

National Weather Service San Francisco Bay Area, CA

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National Weather Service Los Angeles, CA

Gale Warning

Small Craft Advisory

Cold Water in Area Lakes and Rivers

While air temperatures will near normal through the weekend, keep in mind that water temperatures can be much colder than air temperatures due to the water originating from snowmelt runoff. It takes less than 15 minutes to lose your dexterity in water below 60 degrees! Always wear a life vest, always bring a life preserver with you, and do not go into closed rivers, streams, and lakes.