Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 21, 2026 at 11:38:23 am CDT

Watches, Warnings & Advisories

National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

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National Weather Service Brownsville/Rio Grande Valley, TX

Heat Advisory

Special Weather Statement

Heat Advisory Today

Today

Beachcast

Tonight

5-Day Outlook

Hot temperatures and high humidity will increase the risk of heat-related illness this afternoon as heat index values as high as 114°F. A Heat Advisory is in effect Noon-8 PM for the Coastal Plains, Brush Country and Victoria Crossroads. For safety tips: weather.gov/heatsafety

Partly cloudy today with highs between 100 and 105 west, and in the 90s east. Heat index values will be between 108 and 114. South to southeast winds 10-20 mph.

Mostly sunny skies are expected along the middle Texas coast today with high temperatures in the upper 80s to around 90 at area beaches. There is a low risk for rip currents, but low risk does not mean no risk. Use caution if entering the water.

Partly cloudy, warm and humid conditions once again tonight with lows in the upper 70s to lower 80s.

Hot and dry conditions continue through the next 5 days. No substantial rain chances are anticipated.

*Hourly Weather Roundup ( )*
*Location*	*Sky/Weather*	*Temp*	*Dewpt*	RH	*Wind*	*Baro*	*Remarks*
Alice	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Beeville	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Corpus Christi	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Corpus Christi NAS	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Cotulla	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Kingsville NAS	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Laredo	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Port Lavaca	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Rockport	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Victoria	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Note: "N/A" or "MISG" will be displayed if values are not available. In the LOCATION column, click on links for a list of recent observations at sites of interest. In the WIND column, VRB is "variable" and G is "gust". Wind speeds are in MPH. In the BARO (pressure) column, values are in inches. In the REMARKS column, HX is "heat index", WCI is "wind chill index", and VSB is "visibility" (if shown).

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Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

NWS Corpus Christi