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

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

  • Overnight

    Overnight: A 40 percent chance of snow. Mostly cloudy, with a low around 3. Wind chill values as low as -11. West wind around 11 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 3 °F

    Chance Snow

  • Friday

    Friday: Snow. High near 16. Wind chill values as low as -6. Blustery, with a west wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Snow and
    Blustery

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Widespread blowing snow, mainly after 5am. Low around 13. Wind chill values as low as -3. Breezy, with a west wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 13 °F

    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 9am. High near 18. Wind chill values as low as -4. Windy, with a west wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 18 °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 23 mph, with gusts as high as 36 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 10am. Partly sunny, with a high near 16. Breezy.

    High: 16 °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 20. Breezy.

    High: 20 °F

    Chance Snow
    Showers and
    Breezy

  • Monday Night

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

    Low: 11 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 3. Wind chill values as low as -11. West wind around 11 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow. High near 16. Wind chill values as low as -6. Blustery, with a west wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, mainly after 11pm. Widespread blowing snow, mainly after 5am. Low around 13. Wind chill values as low as -3. Breezy, with a west wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 9am. High near 18. Wind chill values as low as -4. Windy, with a west wind 24 to 28 mph, with gusts as high as 36 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 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow, mainly before 11am. Patchy blowing snow before 10am. Partly sunny, with a high near 16. 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 20. Breezy.
Monday Night
Mostly cloudy, with a low around 11. Breezy.
Tuesday
A slight chance of snow showers after 11am. Mostly cloudy, with a high near 26. 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 27. Breezy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 27. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:21 pm MST Dec 4, 2025
Forecast Valid:
2am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation