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

28°F

-2°C

Humidity 90%
Wind Speed W 13 G 20 mph
Barometer 29.82 in
Dewpoint 26°F (-3°C)
Visibility 2.00 mi
Wind Chill17°F (-8°C)
Last update 6 Dec 3:35 am MST
Extended Forecast for

3 Miles W Guanella Pass CO

Winter Storm Warning until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until December 6, 11:00pm

    NOW until 11:00pm Sat

    Winter Storm Warning

  • Overnight

    Low: 17 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow. Temperature falling to around 10 by 4pm. Wind chill values as low as -13. Windy, with a west northwest wind 31 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 16 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow. Widespread blowing snow, mainly after 3am. Low around 5. Wind chill values as low as -19. Very windy, with a west northwest wind 31 to 36 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 5 °F

    Snow and
    Blowing Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny, with a high near 12. Wind chill values as low as -20. Windy, with a west wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 44 mph. New snow accumulation of less than a half inch possible.

    High: 12 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 6. Very windy, with a west wind 25 to 30 mph increasing to 33 to 38 mph after midnight. Winds could gust as high as 46 mph.

    Low: 6 °F

    Partly Cloudy
    and Very
    Windy

  • Monday

    Monday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 16. Very windy.

    High: 16 °F

    Chance Snow
    and Very
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Very windy.

    Low: 11 °F

    Partly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: A slight chance of snow after 11am. Partly sunny, with a high near 24. Very windy.

    High: 24 °F

    Slight Chance
    Snow and Very
    Windy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 17. Wind chill values as low as -4. Windy, with a west wind around 32 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow. Temperature falling to around 10 by 4pm. Wind chill values as low as -13. Windy, with a west northwest wind 31 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow. Widespread blowing snow, mainly after 3am. Low around 5. Wind chill values as low as -19. Very windy, with a west northwest wind 31 to 36 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny, with a high near 12. Wind chill values as low as -20. Windy, with a west wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 44 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 6. Very windy, with a west wind 25 to 30 mph increasing to 33 to 38 mph after midnight. Winds could gust as high as 46 mph.
Monday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 16. Very windy.
Monday Night
Partly cloudy, with a low around 11. Very windy.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 24. Very windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 22. Very windy.
Wednesday
A chance of snow. Partly sunny, with a high near 27. Very windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Very windy.
Thursday
A chance of snow. Partly sunny, with a high near 25. Very windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Windy.
Friday
A slight chance of snow. Mostly sunny, with a high near 26. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Guanella Pass CO
 39.59°N 105.75°W (Elev. 13012 ft)
Last Update:
3:26 am MST Dec 6, 2025
Forecast Valid:
3am MST Dec 6, 2025-6pm MST Dec 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation