Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

100°F

38°C

Humidity 31%
Wind Speed SW 20 G 26 mph
Barometer 29.94 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 25 Aug 1:55 pm CDT
Extended Forecast for

Sadler TX

Heat Advisory August 25, 09:00pm until August 26, 09:00pm
Extreme Heat Warning August 25, 02:01pm until August 25, 09:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 25, 02:01pm until August 25, 09:00pm

    NOW until 9:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 106 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind around 5 mph becoming north in the afternoon.  Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am.  Mostly clear, with a low around 75. North northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers before 7am.  Mostly sunny, with a high near 97. North northeast wind 5 to 10 mph.

    High: 97 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. East northeast wind around 5 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 74. East wind around 5 mph.

    Low: 74 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 106. South southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Mostly clear, with a low around 75. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 97. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph.
Friday
Sunny, with a high near 97. East northeast wind around 5 mph.
Friday Night
Clear, with a low around 74. East wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South southeast wind around 5 mph.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Clear, with a low around 77.
Monday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Sadler TX
 33.68°N 96.84°W (Elev. 699 ft)
1:26 pm CDT Aug 25, 2026
2pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
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Additional Resources

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