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

18°F

-8°C

Humidity 80%
Wind Speed SE 5 mph
Barometer 30.02 in
Dewpoint 13°F (-11°C)
Visibility 5.00 mi
Wind Chill11°F (-12°C)
Last update 5 Dec 4:35 am MST
Extended Forecast for

5 Miles WNW Arapahoe Peak CO

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

  • Overnight

    Overnight: A 40 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as -8. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: Snow, mainly before 4pm. High near 18. Wind chill values as low as -5. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow, mainly after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly between 11pm and 5am. Temperature rising to around 19 by 5am. Wind chill values as low as -3. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 15 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 20. Wind chill values as low as -3. Breezy, with a west wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 20 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 11pm. Areas of blowing snow before midnight, then patchy blowing snow after 2am. Mostly cloudy, with a low around 11. Breezy, with a west wind 14 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 17. Breezy.

    High: 17 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 9. Breezy.

    Low: 9 °F

    Slight Chance
    Snow and
    Breezy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 21. Breezy.

    High: 21 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Wind chill values as low as -8. Breezy, with a west wind around 17 mph, with gusts as high as 28 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 4pm. High near 18. Wind chill values as low as -5. Breezy, with a west wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow, mainly after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly between 11pm and 5am. Temperature rising to around 19 by 5am. Wind chill values as low as -3. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 20. Wind chill values as low as -3. Breezy, with a west wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow likely, mainly after 11pm. Areas of blowing snow before midnight, then patchy blowing snow after 2am. Mostly cloudy, with a low around 11. Breezy, with a west wind 14 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 17. Breezy.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 9. Breezy.
Monday
A chance of snow. Mostly cloudy, with a high near 21. Breezy.
Monday Night
Mostly cloudy, with a low around 14. Breezy.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 28. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 27. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 29. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Arapahoe Peak CO
 40.04°N 105.74°W (Elev. 10272 ft)
Last Update:
3:26 am MST Dec 5, 2025
Forecast Valid:
4am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

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