Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

83°F

28°C

Humidity 71%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 26 Aug 11:35 pm CDT
Extended Forecast for

2 Miles NW Gunter TX

Heat Advisory August 26, 11:38pm until August 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 11:38pm until August 27, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 76 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 107. Northeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. East northeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 97. Heat index values as high as 105. East wind around 5 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South wind around 10 mph.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Mostly clear, with a low around 76. North northeast wind around 5 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 107. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 75. East northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 97. Heat index values as high as 105. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 76. East southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 99. South wind around 5 mph.
Saturday Night
Clear, with a low around 77. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. South wind around 10 mph.
Sunday Night
Clear, with a low around 77. South wind around 10 mph.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny and hot, with a high near 100.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Gunter TX
 33.46°N 96.76°W (Elev. 686 ft)
9:26 pm CDT Aug 26, 2026
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 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