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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

45°F

7°C

Humidity 87%
Wind Speed E 12 mph
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 3 Dec 6:50 pm CST
Extended Forecast for

4 Miles NW Collinsville TX

  • Tonight

    Tonight: Cloudy, with a low around 37. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Cloudy, with a temperature falling to around 35 by 4pm. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F⇓

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Calm wind becoming south southwest around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

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

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. South southeast wind around 5 mph becoming west southwest in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West southwest wind around 5 mph becoming north in the evening.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. North wind 5 to 10 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. North wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 37. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of rain. Cloudy, with a temperature falling to around 35 by 4pm. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 52. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 35. Calm wind becoming south southeast around 5 mph.
Saturday
Mostly sunny, with a high near 60. South southeast wind around 5 mph becoming west southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 36. West southwest wind around 5 mph becoming north in the evening.
Sunday
Mostly sunny, with a high near 52. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 27. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Collinsville TX
 33.61°N 96.95°W (Elev. 758 ft)
Last Update:
6:26 pm CST Dec 3, 2025
Forecast Valid:
7pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation