National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

A Few Clouds

32°F

0°C

Humidity 59%
Wind Speed S 6 mph
Barometer 30.31 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Mar 3:15 am CDT
Extended Forecast for

Denison TX

Freeze Warning until March 17, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until March 17, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. North northwest wind around 5 mph becoming east northeast in the afternoon.

    High: 89 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 32. South wind around 5 mph.
Tuesday
Sunny, with a high near 62. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 47. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind around 5 mph.
Thursday
Sunny, with a high near 86. Southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 57. South wind around 5 mph.
Friday
Sunny, with a high near 89. North northwest wind around 5 mph becoming east northeast in the afternoon.
Friday Night
Clear, with a low around 59. South wind around 5 mph.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.78°N 96.57°W (Elev. 659 ft)
Last Update:
2:09 am CDT Mar 17, 2026
Forecast Valid:
3am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation