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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Light Snow

21°F

-6°C

Humidity 81%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 16°F (-9°C)
Visibility 1.25 mi
Last update 5 Dec 8:35 am MST
Extended Forecast for

4 Miles N Devils Thumb Park CO

Winter Storm Warning December 5, 11:00pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 19. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 19 °F

    Snow Likely
    and Breezy

  • Tonight

    Tonight: Snow, mainly after 8pm. The snow could be heavy at times. Patchy blowing snow after 11pm. Temperature rising to around 20 by 5am. Wind chill values as low as zero. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 16 °F⇑

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 22. Breezy, with a west wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 22 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 11pm. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as -3. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 11 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 18. Breezy, with a west wind 13 to 15 mph, with gusts as high as 29 mph.

    High: 18 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 23. Breezy.

    High: 23 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A slight chance of snow after 11am. Partly sunny, with a high near 29. Windy.

    High: 29 °F

    Slight Chance
    Snow and
    Windy

Detailed Forecast

Today
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 19. Breezy, with a west wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly after 8pm. The snow could be heavy at times. Patchy blowing snow after 11pm. Temperature rising to around 20 by 5am. Wind chill values as low as zero. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 22. Breezy, with a west wind 14 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow likely, mainly after 11pm. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 11. Wind chill values as low as -3. Breezy, with a west wind 11 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 18. Breezy, with a west wind 13 to 15 mph, with gusts as high as 29 mph.
Sunday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 10.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 23. Breezy.
Monday Night
Mostly cloudy, with a low around 15. Breezy.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 29. Windy.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 27. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 30. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Devils Thumb Park CO
 40.04°N 105.77°W (Elev. 9757 ft)
Last Update:
3:26 am MST Dec 5, 2025
Forecast Valid:
9am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation