Severe Thunderstorms and Possible Flooding in the East; Extreme Heat in the West.

Scattered severe storms with wind damage, large hail, and a few tornadoes will be possible this afternoon and evening across much of the Mid Atlantic and Southeast. Heavy rain may cause instances of flash flooding from eastern Kentucky to southern New York. Out west, dangerous heat will develop through Saturday, with record-breaking temperatures expected. Read More >

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Last Map Update: Fri, May 30, 2025 at 4:54:38 pm PDT

Watches, Warnings & Advisories

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Storm Warning

Gale Warning

Heat Advisory

Small Craft Advisory

Moderate Heat Risk Today

Cold Water Safety

The warmest weather of the year thus far is expected today. While today will be the hottest day, hot temperatures could linger across Lake and Modoc counties into Saturday. A moderate risk of heat related illness is expected today, meaning the level of heat affects most individuals sensitive to heat, but especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries.