Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

43°F

6°C

Humidity 49%
Wind Speed SW 3 mph
Barometer 30.18 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 2 Dec 11:50 am CST
Extended Forecast for

Grayson County Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. Calm wind becoming south around 5 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 34. South southeast wind 5 to 15 mph.

    Low: 34 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle after midnight.  Increasing clouds, with a low around 35. East wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle

  • Thursday

    Thursday: A 20 percent chance of showers.  Mostly cloudy, with a high near 40. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. North wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Calm wind becoming south southwest around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. South southeast wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. South wind around 5 mph.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 48. Calm wind becoming south around 5 mph.
Tonight
Clear, with a low around 34. South southeast wind 5 to 15 mph.
Wednesday
Sunny, with a high near 58. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of drizzle after midnight. Increasing clouds, with a low around 35. East wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 40. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 50. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 35. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 57. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
11:21 am CST Dec 2, 2025
12pm CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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