National Weather Service United States Department of Commerce

Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >

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Last Map Update: Tue, May 20, 2025 at 7:00:12 pm PDT

Scattered showers with a 20-30 percent chance of thunderstorms is expected this afternoon over the Okanogan Highlands to the Northern Panhandle. Potential hazards with thunderstorms today include lightning, small hail, and brief heavy downpours.
Areas of frost are expected Wednesday morning around the Okanogan Highlands and Northeast Mountains. Patchy frost will also be found in the Upper Columbia Basin including the Davenport area. The forecast for your specific location can be found at weather.gov/Spokane.
A warming trend will occur over Memorial Day Weekend as high temperatures warm into the 70s and 80s. The weekend is also expected to be mainly dry, except for a 20-30% chance of mountain showers on Friday, over the Idaho Panhandle Saturday, and a 10-20% chance of showers on Memorial Day. Be aware that water is still cold, and to wear a life jacket.

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