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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed E 7 mph
Barometer 29.59 in (1001.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Jun 9:53 pm CDT
Extended Forecast for

Tilden TX

Extreme Heat Warning June 18, 12:00pm until June 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Clear, with a low around 78. South southeast wind around 8 mph.

    Low: 78 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 117. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 79 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny and hot, with a high near 97. Heat index values as high as 113. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. South southeast wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 28 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 78. South southeast wind around 8 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 117. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 79. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Juneteenth
Partly sunny and hot, with a high near 97. Heat index values as high as 113. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny and hot, with a high near 98. South southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 28 mph.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 99.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tilden TX
 28.45°N 98.55°W
Last Update:
7:16 pm CDT Jun 17, 2026
Forecast Valid:
10pm CDT Jun 17, 2026-6pm CDT Jun 24, 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