Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jun 18, 2026 at 5:22:37 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Red Flag Warning

Heat Advisory

Small Craft Advisory

Lake Wind Advisory

Beach Hazards Statement

Fire Weather Watch

High Temperature Forecast

Mountain Thunderstorm Chances: Today

Mountain Thunderstorm Chances: Friday

Lightning Safety

Elevated Fire Weather Conditions

A look at the forecast high temperatures across the area the next 7 days. Cool to seasonable temperatures late week into the weekend. Temperatures then warm up next week.

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!

Elevated fire weather conditions due to thunderstorms are expected today and Friday. Mountain thunderstorms will be capable of new fire starts and gusty outflow winds.