Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

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Last Map Update: Tue, Jun 16, 2026 at 2:06:15 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Joaquin Valley, CA

National Weather Service Los Angeles, CA

Extreme Heat Warning

Gale Warning

Heat Advisory

Coastal Flood Advisory

Small Craft Advisory

Beach Hazards Statement

Coastal Flood Advisory

The Beach Hazards Statement for Pacific Coast beaches continues through early Thursday morning. Long-period S-SW swell will generate hazardous conditions at the beach, including sneaker waves and strong rip currents. Stay back from the water’s edge, stay off of jetties and piers, and NEVER turn your back on the ocean.

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Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

NWS Forecast Office San Francisco, CA