Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

A Few Clouds

72°F

22°C

Humidity 79%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 May 9:53 am CDT
Extended Forecast for

Cotulla TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 90. Heat index values as high as 95. East southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall.  Low around 71. East southeast wind 5 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 87. Heat index values as high as 90. East northeast wind around 7 mph becoming south southeast in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers.  Partly cloudy, with a low around 70. East southeast wind around 5 mph.  Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 92. Southeast wind 3 to 6 mph.  Chance of precipitation is 30%.

    High: 92 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. East southeast wind 6 to 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 88. Southeast wind 5 to 7 mph.  Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 70. East wind 3 to 7 mph.  Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86. Northeast wind 3 to 6 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 90. Heat index values as high as 95. East southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Tonight
Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 71. East southeast wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Heat index values as high as 90. East northeast wind around 7 mph becoming south southeast in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 70. East southeast wind around 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 92. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East southeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 88. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. East wind 3 to 7 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Northeast wind 3 to 6 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Cotulla TX
 28.44°N 99.25°W
7:41 am CDT May 20, 2026
10am CDT May 20, 2026-6pm CDT May 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database