Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week 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. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

84°F

29°C

Humidity 49%
Wind Speed SW 10 mph
Barometer 29.93 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Aug 5:15 am CDT
Extended Forecast for

5 Miles S Gordonville TX

Heat Advisory August 26, 05:36am until August 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 05:36am until August 26, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Today

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 74. North northwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. Heat index values as high as 102. Northeast wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. East wind around 5 mph.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 73. East wind around 5 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 98. South southeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Clear

Detailed Forecast

Today
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 103. Southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 74. North northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 97. Heat index values as high as 102. Northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph.
Friday
Sunny, with a high near 96. East wind around 5 mph.
Friday Night
Clear, with a low around 73. East wind around 5 mph.
Saturday
Sunny, with a high near 98. South southeast wind around 5 mph.
Saturday Night
Clear, with a low around 74. Southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 99. South wind around 10 mph.
Sunday Night
Clear, with a low around 76.
Monday
Sunny and hot, with a high near 99.
Monday Night
Clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Gordonville TX
 33.77°N 96.9°W (Elev. 748 ft)
5:21 am CDT Aug 26, 2026
5am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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