Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

20°F

-7°C

Humidity 71%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 4 Dec 10:15 am MST
Extended Forecast for

3 Miles NNW Arapahoe Peak CO

Winter Storm Watch December 5, 05:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Storm Watch
  • Today

    Today: Patchy blowing snow after 11am. Partly sunny, with a high near 15. Wind chill values as low as -13. Breezy, with a west wind 17 to 22 mph, with gusts as high as 34 mph.

    High: 15 °F

    Patchy
    Blowing Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly after 2am.  Patchy blowing snow. Mostly cloudy, with a low around 5. Wind chill values as low as -17. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely.  Patchy blowing snow before 1pm, then patchy blowing snow after 3pm. Mostly cloudy, with a high near 14. Wind chill values as low as -14. Breezy, with a west wind 17 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 14 °F

    Snow Likely
    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. Low around 12. Wind chill values as low as -7. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    Low: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  Widespread blowing snow. High near 15. Windy, with a west wind 24 to 28 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%.

    High: 15 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow.  Areas of blowing snow. Low around 9. Blustery.  Chance of precipitation is 80%.

    Low: 9 °F

    Snow and
    Areas Blowing
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 11am.  Patchy blowing snow before 11am. Partly sunny, with a high near 12. Breezy.  Chance of precipitation is 60%.

    High: 12 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm.  Mostly cloudy, with a low around 7. Breezy.

    Low: 7 °F

    Slight Chance
    Snow and
    Breezy

  • Monday

    Monday: A chance of snow.  Partly sunny, with a high near 18. Breezy.

    High: 18 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Patchy blowing snow after 11am. Partly sunny, with a high near 15. Wind chill values as low as -13. Breezy, with a west wind 17 to 22 mph, with gusts as high as 34 mph.
Tonight
Snow likely, mainly after 2am. Patchy blowing snow. Mostly cloudy, with a low around 5. Wind chill values as low as -17. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Patchy blowing snow before 1pm, then patchy blowing snow after 3pm. Mostly cloudy, with a high near 14. Wind chill values as low as -14. Breezy, with a west wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Low around 12. Wind chill values as low as -7. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 15. Windy, with a west wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Saturday Night
Snow. Areas of blowing snow. Low around 9. Blustery. Chance of precipitation is 80%.
Sunday
Snow likely, mainly before 11am. Patchy blowing snow before 11am. Partly sunny, with a high near 12. Breezy. Chance of precipitation is 60%.
Sunday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 7. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 18. Breezy.
Monday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 12. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 22. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 25. Windy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Arapahoe Peak CO
 40.06°N 105.69°W (Elev. 10656 ft)
3:25 am MST Dec 4, 2025
10am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database