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.

Light Snow

11°F

-12°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.15 in
Dewpoint 6°F (-14°C)
Visibility 7.00 mi
Wind Chill1°F (-17°C)
Last update 4 Dec 2:55 am MST
Extended Forecast for

4 Miles S Trail Ridge CO

Winter Storm Watch December 5, 05:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 3. Wind chill values as low as -16. West wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Patchy blowing snow after 11am. Mostly sunny, with a high near 11. Wind chill values as low as -18. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 11 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after 11pm. Patchy blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -18. Windy, with a west wind 28 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely. Widespread blowing snow, mainly before noon. Mostly cloudy, with a high near 14. Wind chill values as low as -15. Windy, with a west wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 14 °F

    Snow Likely
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Widespread blowing snow, mainly after 9pm. Low around 12. Windy, with a west wind 23 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.

    Low: 12 °F

    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow. Widespread blowing snow, mainly before 9am. High near 14. Windy. Chance of precipitation is 90%.

    High: 14 °F

    Snow and
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. Widespread blowing snow, mainly after 4am. Low around 9. Windy. Chance of precipitation is 80%.

    Low: 9 °F

    Snow and
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly before 11am. Partly sunny, with a high near 12. Windy.

    High: 12 °F

    Snow Likely
    and Windy

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 9. Windy.

    Low: 9 °F

    Slight Chance
    Snow and
    Windy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 3. Wind chill values as low as -16. West wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of snow after 11am. Patchy blowing snow after 11am. Mostly sunny, with a high near 11. Wind chill values as low as -18. Breezy, with a west wind 16 to 22 mph, with gusts as high as 36 mph.
Thursday Night
A 40 percent chance of snow, mainly after 11pm. Patchy blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -18. Windy, with a west wind 28 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Widespread blowing snow, mainly before noon. Mostly cloudy, with a high near 14. Wind chill values as low as -15. Windy, with a west wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow, mainly after 11pm. Widespread blowing snow, mainly after 9pm. Low around 12. Windy, with a west wind 23 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.
Saturday
Snow. Widespread blowing snow, mainly before 9am. High near 14. Windy. Chance of precipitation is 90%.
Saturday Night
Snow. Widespread blowing snow, mainly after 4am. Low around 9. Windy. Chance of precipitation is 80%.
Sunday
Snow likely, mainly before 11am. Partly sunny, with a high near 12. Windy.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 9. Windy.
Monday
A chance of snow. Partly sunny, with a high near 18. Windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 14. Windy.
Tuesday
A chance of snow. Partly sunny, with a high near 26. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Very windy.
Wednesday
A chance of snow. Partly sunny, with a high near 27. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Trail Ridge CO
 40.37°N 105.75°W (Elev. 12028 ft)
Last Update:
8:51 pm MST Dec 3, 2025
Forecast Valid:
3am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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