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 71%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 4 Dec 10:15 am MST
Extended Forecast for

4 Miles WNW Guanella Pass CO

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

  • Today

    Today: Patchy blowing snow. Sunny and cold, with a high near 8. Wind chill values as low as -19. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 45 mph.

    High: 8 °F

    Patchy
    Blowing Snow
    and Windy

  • Tonight

    Tonight: Snow likely, mainly after 2am. Areas of blowing snow. Mostly cloudy, with a temperature rising to around 7 by 4am. Wind chill values as low as -22. Windy, with a west northwest wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 3 °F⇑

    Snow Likely
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow likely, mainly after 11am. Widespread blowing snow, mainly before 11am. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -16. Windy, with a west northwest wind 23 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: 10 °F

    Snow Likely
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Widespread blowing snow. Low around 6. Wind chill values as low as -16. Very windy, with a west wind 29 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 6 °F

    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow. Widespread blowing snow. High near 11. Windy, with a west wind 30 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.

    High: 11 °F

    Snow and
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 3. Windy. Chance of precipitation is 70%.

    Low: 3 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Widespread blowing snow, mainly before 9am. Partly sunny and cold, with a high near 7. Windy.

    High: 7 °F

    Chance Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2. Very windy.

    Low: 2 °F

    Partly Cloudy
    and Very
    Windy

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 12. Windy.

    High: 12 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
Patchy blowing snow. Sunny and cold, with a high near 8. Wind chill values as low as -19. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 45 mph.
Tonight
Snow likely, mainly after 2am. Areas of blowing snow. Mostly cloudy, with a temperature rising to around 7 by 4am. Wind chill values as low as -22. Windy, with a west northwest wind 31 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Widespread blowing snow, mainly before 11am. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -16. Windy, with a west northwest wind 23 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. Low around 6. Wind chill values as low as -16. Very windy, with a west wind 29 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. Widespread blowing snow. High near 11. Windy, with a west wind 30 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 100%.
Saturday Night
Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 3. Windy. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow. Widespread blowing snow, mainly before 9am. Partly sunny and cold, with a high near 7. Windy.
Sunday Night
Partly cloudy, with a low around 2. Very windy.
Monday
A chance of snow. Partly sunny, with a high near 12. Windy.
Monday Night
Mostly cloudy, with a low around 8. Very windy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 18. Very windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 15. Very windy.
Wednesday
A chance of snow. Partly sunny, with a high near 18. Very windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Guanella Pass CO
 39.61°N 105.78°W (Elev. 13445 ft)
Last Update:
3:25 am MST Dec 4, 2025
Forecast Valid:
10am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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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