Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

A Few Clouds

101°F

38°C

Humidity 29%
Wind Speed SE 12 G 24 mph
Barometer 30.04 in (1016.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 16 Sep 4:53 pm CDT
Extended Forecast for

Cotulla-La Salle County Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southeast wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 104. East wind 6 to 9 mph.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 77. East southeast wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm.  Partly sunny through mid morning, then becoming sunny and hot, with a high near 98. Heat index values as high as 104. East wind 6 to 9 mph.  Chance of precipitation is 30%.

    High: 98 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind 6 to 11 mph becoming light southeast  after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Calm wind becoming east southeast around 6 mph in the morning.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. East southeast wind 3 to 5 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 76. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. East wind 6 to 9 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 77. East southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Partly sunny through mid morning, then becoming sunny and hot, with a high near 98. Heat index values as high as 104. East wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 73. East wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming east southeast around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 75. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny and hot, with a high near 100. East southeast wind 3 to 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 76. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny and hot, with a high near 100.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 75.
Tuesday
Mostly sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Cotulla-La Salle County Airport TX
 28.46°N 99.23°W
1:51 pm CDT Sep 16, 2026
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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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