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.

Partly Cloudy

20°F

-7°C

Humidity 68%
Wind Speed S 3 mph
Barometer 30.07 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 5 Dec 1:35 am MST
Extended Forecast for

3 Miles NW 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. Patchy blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -14. Breezy, with a west wind 20 to 23 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 6 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow. Patchy blowing snow before 7am, then patchy blowing snow after 4pm. Steady temperature around 10. Wind chill values as low as -11. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 10 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Temperature rising to around 14 by 3am. Wind chill values as low as -9. Windy, with a west wind 22 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 11 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 2pm. High near 15. Wind chill values as low as -11. Windy, with a west wind 25 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 15 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Widespread blowing snow, mainly before 9pm. Mostly cloudy, with a low around 8. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.

    Low: 8 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Areas of blowing snow. Partly sunny, with a high near 13. Breezy.

    High: 13 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Slight Chance
    Snow Showers
    and Windy

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 17. Breezy.

    High: 17 °F

    Chance Snow
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Windy.

    Low: 11 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Overnight
A 40 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -14. Breezy, with a west wind 20 to 23 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow. Patchy blowing snow before 7am, then patchy blowing snow after 4pm. Steady temperature around 10. Wind chill values as low as -11. Breezy, with a west wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Temperature rising to around 14 by 3am. Wind chill values as low as -9. Windy, with a west wind 22 to 26 mph, with gusts as high as 41 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 after 2pm. High near 15. Wind chill values as low as -11. Windy, with a west wind 25 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow likely. Widespread blowing snow, mainly before 9pm. Mostly cloudy, with a low around 8. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow. Areas of blowing snow. Partly sunny, with a high near 13. Breezy.
Sunday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 7. Windy.
Monday
A chance of snow showers. Mostly cloudy, with a high near 17. Breezy.
Monday Night
Mostly cloudy, with a low around 11. Windy.
Tuesday
A chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 23. Windy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Very windy.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 24. Windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 23. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Arapahoe Peak CO
 40.06°N 105.69°W (Elev. 10656 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
1am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation