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 >

Click a location below for detailed forecast.

Last Map Update: Wed, Jun 17, 2026 at 3:34:26 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Gale Warning

Heat Advisory

Coastal Flood Advisory

Small Craft Advisory

Beach Hazards Statement

Fire Weather Watch

Forecast High Temperatures

Mountain Thunderstorm Chances: Today

Mountain Thunderstorm Chances: Thursday

Mountain Thunderstorm Chances: Friday

Lightning Safety Tips

A look at the forecast high temperatures across the area the next 7 days. Warm temperatures and Moderate HeatRisk continue today, followed by cool to seasonable temperatures late week into the weekend.

As an unsettled weather pattern arrives today, a slight chance for mountain thunderstorms is expected this afternoon, generally south of Highway 50.

As an unsettled weather pattern arrives mid to late week, increasing chances for mountain thunderstorms are anticipated on Thursday.

As an unsettled weather pattern arrives mid to late week, lingering chances for mountain thunderstorms are anticipated on Friday, with some potential for morning thunderstorms.

Lightning Safety. Take shelter indoors. Stay away from trees or tall objects. Avoid water. If you see smoke, call 911. When thunder roars, go indoors!