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

Granby-Grand County Airport (KGNB)

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

Overcast

29°F

-2°C

Humidity 73%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 8 Mar 12:35 am MDT
Extended Forecast for

4 Miles N Devils Thumb Park CO

  • Overnight

    Overnight: Mostly clear, with a low around 12. West wind around 7 mph, with gusts as high as 15 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. West southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41. Breezy, with a west wind 8 to 16 mph, with gusts as high as 29 mph.

    High: 41 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 41. Breezy.

    High: 41 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A slight chance of snow showers before 11am. Mostly sunny, with a high near 27. Breezy.

    High: 27 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 12. West wind around 7 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 35. West wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 19. West southwest wind around 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 41. Breezy, with a west wind 8 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 25. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 41. Breezy.
Tuesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 14.
Wednesday
A slight chance of snow showers before 11am. Mostly sunny, with a high near 27. Breezy.
Wednesday Night
Partly cloudy, with a low around 20. Breezy.
Thursday
Mostly sunny, with a high near 39. Windy.
Thursday Night
Partly cloudy, with a low around 28. Breezy.
Friday
Mostly sunny, with a high near 41. Breezy.
Friday Night
Partly cloudy, with a low around 27. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 43. 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:
11:46 pm MST Mar 7, 2026
Forecast Valid:
12am MST Mar 8, 2026-6pm MDT Mar 14, 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