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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

Mostly Cloudy

91°F

33°C

Humidity 38%
Wind Speed E 6 mph
Barometer 29.94 in (1013.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 23 Aug 9:53 pm CDT
Extended Forecast for

Big Wells TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. East wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 101. Light northeast wind becoming east 5 to 10 mph in the morning.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 103. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 98. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 98 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 97 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 76. East wind around 5 mph becoming calm after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 101. Light northeast wind becoming east 5 to 10 mph in the morning.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 103. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 98. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Wells TX
 28.59°N 99.57°W (Elev. 535 ft)
Last Update:
7:44 pm CDT Aug 23, 2025
Forecast Valid:
10pm CDT Aug 23, 2025-6pm CDT Aug 30, 2025
 
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