Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 26, 2026 at 12:22:14 am CDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Heat Advisory

Air Quality Alert

Hazardous Weather Outlook

Dangerous Heat Continues on Wednesday

Heat Backs Off Some; Isolated Storms Mid-Week

Wednesday will feature a continuation of the hot conditions we've seen as of late. A Heat Advisory is in effect through 9pm Wednesday evening, with afternoon high temperatures ranging from 99-104 degrees and heat indices reaching 108 degrees in spots.

Text Product Selector (Selected product opens in current window)

Latest Text Products Issued (Experimental)

Areas of Dangerous Heat and Severe Thunderstorms

NWS Fort Worth/Dallas