Heavy Rain in the Southeast and Portions of the Central Plains; Mountain Snow in the West

Scattered areas of heavy rain continue to produce isolated flash flooding across the coastlines of the central Gulf and Southeast. A storm system will bring mountain snow, locally heavy rain, gusty winds and much cooler temperatures to portions of the western and central U.S. Above average temperatures will advance eastward into the Great Lakes and Northeast today and Monday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

86°F

30°C

Humidity 43%
Wind Speed E 10 mph
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Oct 4:50 pm CDT
Extended Forecast for

Denison TX

  • Tonight

    Tonight: Mostly clear, with a low around 66. East southeast wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. East southeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. East wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Light north wind becoming north northeast 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. North northeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Northeast wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 66. East southeast wind around 5 mph.
Monday
Sunny, with a high near 86. East southeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 67. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86. Light north wind becoming north northeast 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 65. North northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 85. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph.
Thursday
Sunny, with a high near 84. East wind around 5 mph.
Thursday Night
Clear, with a low around 61. Southeast wind around 5 mph.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
5:07 pm CDT Oct 5, 2025
5pm CDT Oct 5, 2025-6pm CDT Oct 12, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database