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.

Overcast

10°F

-12°C

Humidity 87%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 2 Dec 3:35 am MST
Extended Forecast for

3 Miles NNW Arapahoe Peak CO

  • Overnight

    Overnight: Partly cloudy, with a low around 3. Wind chill values as low as -17. Breezy, with a west wind around 21 mph, with gusts as high as 33 mph.

    Low: 3 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after 7am. Mostly cloudy, with a high near 16. Wind chill values as low as -14. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph. New snow accumulation of 1 to 2 inches possible.

    High: 16 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. Low around 8. Wind chill values as low as -1. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Wednesday

    Wednesday: Snow. High near 11. Wind chill values as low as -7. East southeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 11 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around -2. West wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: -2 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 11. Breezy.

    High: 11 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 6. Breezy.

    Low: 6 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 13. Breezy.

    High: 13 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 11. Breezy.

    Low: 11 °F

    Snow Likely
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 3. Wind chill values as low as -17. Breezy, with a west wind around 21 mph, with gusts as high as 33 mph.
Tuesday
A 50 percent chance of snow, mainly after 7am. Mostly cloudy, with a high near 16. Wind chill values as low as -14. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. Low around 8. Wind chill values as low as -1. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. High near 11. Wind chill values as low as -7. East southeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around -2. West wind 6 to 10 mph, with gusts as high as 17 mph.
Thursday
Mostly sunny, with a high near 11. Breezy.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 6. Breezy.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 13. Breezy.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 11. Breezy.
Saturday
Snow. Mostly cloudy, with a high near 17. Breezy.
Saturday Night
Snow likely. Mostly cloudy, with a low around 13. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 18. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 19. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Arapahoe Peak CO
 40.06°N 105.69°W (Elev. 10656 ft)
Last Update:
3:26 am MST Dec 2, 2025
Forecast Valid:
3am MST Dec 2, 2025-6pm MST Dec 8, 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