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

25°F

-4°C

Humidity 80%
Wind Speed E 3 mph
Barometer 29.94 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 5 Dec 9:55 pm MST
Extended Forecast for

6 Miles NNE Silverthorne CO

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

  • Tonight

    Tonight: Snow. Patchy blowing snow after 11pm. Temperature rising to around 19 by 4am. Wind chill values as low as -3. Windy, with a west southwest wind 17 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 15 °F⇑

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. Temperature falling to around 15 by 5pm. Wind chill values as low as -3. Windy, with a west northwest wind 24 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 19 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Patchy blowing snow before midnight, then patchy blowing snow after 2am. Mostly cloudy, with a low around 9. Wind chill values as low as -9. Blustery, with a west wind 17 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 9 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 16. Wind chill values as low as -9. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Breezy.
    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 7. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.

    Low: 7 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 20. Breezy.

    High: 20 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow. Mostly cloudy, with a high near 27. Breezy.

    High: 27 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Chance Snow
    and Breezy

Detailed Forecast

Tonight
Snow. Patchy blowing snow after 11pm. Temperature rising to around 19 by 4am. Wind chill values as low as -3. Windy, with a west southwest wind 17 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. Temperature falling to around 15 by 5pm. Wind chill values as low as -3. Windy, with a west northwest wind 24 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow likely. Patchy blowing snow before midnight, then patchy blowing snow after 2am. Mostly cloudy, with a low around 9. Wind chill values as low as -9. Blustery, with a west wind 17 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
A 40 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 16. Wind chill values as low as -9. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 7. West southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 20. Breezy.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 27. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. Breezy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 28. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24. Breezy.
Thursday
A chance of snow. Mostly cloudy, with a high near 28. Breezy.
Thursday Night
Mostly cloudy, with a low around 19. Breezy.
Friday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Silverthorne CO
 39.73°N 106.05°W (Elev. 11726 ft)
Last Update:
2:47 pm MST Dec 5, 2025
Forecast Valid:
10pm MST Dec 5, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation