National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

A Few Clouds

85°F

29°C

Humidity 70%
Wind Speed SE 13 mph
Barometer 29.89 in (1011.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 28 Jul 9:53 am CDT
Extended Forecast for

Cotulla TX

Heat Advisory July 28, 12:00pm until July 28, 07:00pm
Flood Warning July 28, 09:58am until July 29, 05:00am
Click here for hazard details and duration
Heat Advisory
Flood Warning
  •  
    Flood Warning July 28, 09:58am until July 29, 05:00am

    NOW until 5:00am Wed

    Flood Warning

  • Today

    High: 104 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southeast wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Heat index values as high as 109. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Southeast wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 105. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 105 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. South southeast wind around 8 mph.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 104. Heat index values as high as 109. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 79. Southeast wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday
Sunny and hot, with a high near 104. Heat index values as high as 109. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny and hot, with a high near 105. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny and hot, with a high near 104. South southeast wind around 8 mph.
Friday Night
Mostly clear, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 105. South southeast wind around 6 mph becoming calm.
Saturday Night
Mostly clear, with a low around 82.
Sunday
Mostly sunny and hot, with a high near 104.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Sunny and hot, with a high near 103.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cotulla TX
 28.44°N 99.23°W
Last Update:
3:16 am CDT Jul 28, 2026
Forecast Valid:
9am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation