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: Wed, May 21, 2025 at 2:08:15 am PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Gale Warning

Heat Advisory

Small Craft Advisory

Fire Weather Watch

Elevated Fire Weather Conditions

Hazardous Marine Conditions

The combination of gusty winds and low relative humidity could result in an increase threat for grass fires through Thursday. Use extreme caution with any potential ignition sources. Stay alert to the forecast and follow instruction from emergency officials. Avoid being careless with an open flame, dragging trailer chains, and driving/parking over dry grass.

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

NWS Forecast Office San Francisco, CA