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

23°F

-5°C

Humidity 55%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 4 Dec 10:15 pm MST
Extended Forecast for

Trail Ridge 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: A 50 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a steady temperature around 8. Wind chill values as low as -15. Windy, with a west wind 23 to 25 mph, with gusts as high as 43 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 8 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow. Patchy blowing snow before 10am, then patchy blowing snow after 5pm. High near 16. Wind chill values as low as -11. Breezy, with a west wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow 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. Temperature falling to near 11 by midnight, then rising to around 17 during the remainder of the night. Wind chill values as low as -9. Windy, with a west wind 21 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 11 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 18. Wind chill values as low as -7. Windy, with a west northwest wind 25 to 32 mph, with gusts as high as 44 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 8. Windy, with a west wind 22 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.

    Low: 8 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly before 11am. Areas of blowing snow. Partly sunny, with a high near 16. Breezy.

    High: 16 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Slight Chance
    Snow Showers
    and Windy

  • Monday

    Monday: A chance of snow showers, mainly before 11am. Partly sunny, with a high near 20. Breezy.

    High: 20 °F

    Chance Snow
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Windy.

    Low: 13 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
A 50 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a steady temperature around 8. Wind chill values as low as -15. Windy, with a west wind 23 to 25 mph, with gusts as high as 43 mph. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow. Patchy blowing snow before 10am, then patchy blowing snow after 5pm. High near 16. Wind chill values as low as -11. Breezy, with a west wind 16 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. 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. Temperature falling to near 11 by midnight, then rising to around 17 during the remainder of the night. Wind chill values as low as -9. Windy, with a west wind 21 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 18. Wind chill values as low as -7. Windy, with a west northwest wind 25 to 32 mph, with gusts as high as 44 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 8. Windy, with a west wind 22 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow, mainly before 11am. Areas of blowing snow. 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 9. Windy.
Monday
A chance of snow showers, mainly before 11am. Partly sunny, with a high near 20. Breezy.
Monday Night
Mostly cloudy, with a low around 13. Windy.
Tuesday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 25. Windy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Very windy.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 26. Windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 27. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trail Ridge CO
 40.43°N 105.75°W (Elev. 11864 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
10pm MST Dec 4, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation