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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

52°F

11°C

Humidity 22%
Wind Speed Vrbl 5 mph
Barometer 30.39 in
Dewpoint 14°F (-10°C)
Visibility 9.00 mi
Wind Chill51°F (11°C)
Last update 30 Dec 3:50 pm CST
Extended Forecast for

2 Miles E Denison TX

  • Tonight

    Tonight: Mostly clear, with a low around 37. South southwest wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. West wind around 5 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Calm wind becoming southwest around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 64. South southwest wind 5 to 10 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. South southeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 65. West southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North wind around 5 mph becoming calm in the afternoon.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 37. South southwest wind around 5 mph.
Wednesday
Sunny, with a high near 61. West wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 40. Calm wind becoming southwest around 5 mph after midnight.
New Year's Day
Partly sunny, with a high near 64. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 49. South southeast wind 5 to 10 mph becoming southwest after midnight.
Friday
Sunny, with a high near 65. West southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 39. North wind around 5 mph.
Saturday
Sunny, with a high near 61. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 43. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
Last Update:
11:21 am CST Dec 30, 2025
Forecast Valid:
4pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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