Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 19, 2026 at 9:12:26 pm MST

Watches, Warnings & Advisories

National Weather Service Salt Lake City, UT

National Weather Service Grand Junction, CO

Zoom Out

National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

Severe Thunderstorm Warning

Flash Flood Warning

Extreme Heat Warning

Severe Thunderstorm Watch

Flood Advisory

Dust Advisory

Blowing Dust Advisory

Special Weather Statement

Air Quality Alert

Extreme Heat Warning

Today's Forecast

An Extreme Heat Warning has been issued for areas of the Grand Canyon below 4000 feet through 8 PM MST Thursday. Expect temperatures as high as 111 degrees near Phantom Ranch.