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

24°F

-4°C

Humidity 61%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 4 Dec 3:35 pm MST
Extended Forecast for

5 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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 15. Wind chill values as low as -6. West northwest wind around 14 mph, with gusts as high as 23 mph.

    High: 15 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 6. Wind chill values as low as -12. West wind 11 to 13 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 6 °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. Windy, with a west wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

    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. 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 slight 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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 15. Wind chill values as low as -6. West northwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 6. Wind chill values as low as -12. West wind 11 to 13 mph, with gusts as high as 21 mph. New 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. Windy, with a west wind 24 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Saturday Night
Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 9. Blustery. 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 slight 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. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Silverthorne CO
 39.73°N 106.05°W (Elev. 11726 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
3pm MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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