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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

A Few Clouds

94°F

34°C

Humidity 31%
Wind Speed SE 9 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 18 Sep 3:53 pm CDT
Extended Forecast for

Cotulla TX

  • Tonight

    Tonight: Partly cloudy, with a low around 71. East southeast wind 5 to 11 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 96. East wind 3 to 7 mph.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. East southeast wind 5 to 9 mph becoming light southeast after midnight.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. Calm wind becoming east southeast around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southeast wind 7 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Southeast wind around 6 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southeast wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Southeast wind around 8 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly clear, with a low around 76. Southeast wind around 10 mph.

    Low: 76 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. East southeast wind 5 to 11 mph.
Friday
Sunny, with a high near 96. East wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 72. East southeast wind 5 to 9 mph becoming light southeast after midnight.
Saturday
Sunny, with a high near 95. Calm wind becoming east southeast around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 73. Southeast wind 7 to 10 mph.
Sunday
Sunny and hot, with a high near 97. Southeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 75. Southeast wind around 10 mph.
Monday
Sunny and hot, with a high near 99. Southeast wind around 8 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 76. Southeast wind around 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers. Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cotulla TX
 28.44°N 99.25°W
Last Update:
12:26 pm CDT Sep 18, 2025
Forecast Valid:
4pm CDT Sep 18, 2025-6pm CDT Sep 25, 2025
 
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Additional Resources

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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