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 >
Great Lakes
National Program
The 2025 NWS Great Lakes Beach/Swim Forecast Season will start on Wednesday, May 21st.
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National Oceanic and Atmospheric Administration
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Great Lakes
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