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

21°F

-6°C

Humidity 68%
Wind Speed SW 6 mph
Barometer 30.06 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 5 Dec 2:15 am MST
Extended Forecast for

4 Miles NE Silverthorne 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 2. Wind chill values as low as -14. West wind around 13 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 2 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 19. Wind chill values as low as -8. Blustery, with a west wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely
    and Blustery

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Patchy blowing snow after 11pm. Low around 12. Wind chill values as low as -5. Breezy, with a west wind 16 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 12 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 4pm. High near 20. Wind chill values as low as -2. Windy, with a west wind 24 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 20 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 9. Blustery, with a west wind 21 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    Low: 9 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly before 11am. Patchy blowing snow before 9am. Partly sunny, with a high near 18. Breezy.

    High: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Slight
    Chance Snow

  • Sunday Night

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

    Low: 7 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 22. Breezy.

    High: 22 °F

    Chance Snow
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Breezy.

    Low: 10 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 2. Wind chill values as low as -14. West wind around 13 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 19. Wind chill values as low as -8. Blustery, with a west wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly after 11pm. Patchy blowing snow after 11pm. Low around 12. Wind chill values as low as -5. Breezy, with a west wind 16 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 4pm. High near 20. Wind chill values as low as -2. Windy, with a west wind 24 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 9. Blustery, with a west wind 21 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow, mainly before 11am. Patchy blowing snow before 9am. Partly sunny, with a high near 18. Breezy.
Sunday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 7. Breezy.
Monday
A chance of snow showers. Mostly cloudy, with a high near 22. Breezy.
Monday Night
Mostly cloudy, with a low around 10. Breezy.
Tuesday
A slight chance of snow showers after 11am. Partly sunny, with a high near 27. Breezy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Windy.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 29. Windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 29. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Silverthorne CO
 39.69°N 106.02°W (Elev. 11998 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
2am 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