Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

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Last Map Update: Wed, Aug 19, 2026 at 8:16:47 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

Heat Advisory Today

Heat Safety

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 peak between 108 and 113°F. A Heat Advisory is in effect 1-7 PM today for the Coastal Plains. For safety tips: weather.gov/heatsafety

As these hot summer days continue remember, never leave any person or pet in a hot car. The temperature inside a car soars under the summer sun.

Another day of summer heat and humidity is in store today with highs between 100 and 106 west, and in the 90s east. Heat index values will be between 108 and 113.

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 are on repeat tonight with lows in the upper 70s to lower 80s.

Hot and dry conditions are in the forecast through the next 5 days. No substantial rain chances are noted.

*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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Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

NWS Corpus Christi