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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

Fair

93°F

34°C

Humidity 56%
Wind Speed S 7 mph
Barometer 29.63 in (1002.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 17 Jun 3:53 pm CDT
Extended Forecast for

Pearsall 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 77. Southeast wind around 5 mph.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Heat index values as high as 111. Southeast wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 79. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 94. Heat index values as high as 106. East southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 95. South southeast wind around 10 mph, with gusts as high as 25 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 77. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 98. Heat index values as high as 111. Southeast wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 79. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Juneteenth
Partly sunny, with a high near 94. Heat index values as high as 106. East southeast wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 95. South southeast wind around 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 97.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pearsall TX
 28.9°N 99.09°W (Elev. 636 ft)
Last Update:
3:44 pm CDT Jun 17, 2026
Forecast Valid:
4pm 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