Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46°NLon: 99.22°WElev: 476ft.

Fair

97°F

36°C

Humidity 56%
Wind Speed NA
Barometer 29.65 in (1002.9 mb)
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index115°F (46°C)
Last update 18 Jun 1:53 pm CDT
Extended Forecast for

Dilley TX

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

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 79. East southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 96. Heat index values as high as 109. East wind around 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 78. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 120. Southeast wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. East southeast wind around 10 mph, with gusts as high as 20 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 96. Heat index values as high as 109. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 78. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 79. South southeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 98. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Dilley TX
 28.67°N 99.18°W (Elev. 551 ft)
1:28 pm CDT Jun 18, 2026
2pm CDT Jun 18, 2026-6pm CDT Jun 24, 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