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.

Mostly Cloudy

21°F

-6°C

Humidity 66%
Wind Speed E 5 mph
Barometer 30.08 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 5 Dec 12:55 am MST
Extended Forecast for

2 Miles WNW Guanella Pass CO

Winter Storm Warning December 5, 11:00pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 2am. Patchy blowing snow. Mostly cloudy, with a steady temperature around 5. Wind chill values as low as -20. Windy, with a west northwest wind 25 to 28 mph, with gusts as high as 46 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: A 50 percent chance of snow. Patchy blowing snow. Partly sunny, with a high near 13. Wind chill values as low as -13. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph. New snow accumulation of around an inch possible.

    High: 13 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Widespread blowing snow, mainly after 9pm. Temperature rising to around 15 by 4am. Wind chill values as low as -12. Windy, with a west wind 24 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F⇑

    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow. Widespread blowing snow. High near 15. Wind chill values as low as -13. Windy, with a west wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 15 °F

    Snow and
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm. Widespread blowing snow, mainly before 11pm. Mostly cloudy, with a low around 6. Windy, with a west northwest wind 29 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 70%.

    Low: 6 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny, with a high near 11. Windy.

    High: 11 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Very windy.

    Low: 7 °F

    Partly Cloudy
    and Very
    Windy

  • Monday

    Monday: A chance of snow showers, mainly before 11am. Partly sunny, with a high near 15. Very windy.

    High: 15 °F

    Chance Snow
    Showers and
    Very Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Very windy.

    Low: 10 °F

    Partly Cloudy
    and Very
    Windy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 2am. Patchy blowing snow. Mostly cloudy, with a steady temperature around 5. Wind chill values as low as -20. Windy, with a west northwest wind 25 to 28 mph, with gusts as high as 46 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Patchy blowing snow. Partly sunny, with a high near 13. Wind chill values as low as -13. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph. New snow accumulation of around an inch possible.
Friday Night
Snow, mainly after 11pm. Widespread blowing snow, mainly after 9pm. Temperature rising to around 15 by 4am. Wind chill values as low as -12. Windy, with a west wind 24 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. Widespread blowing snow. High near 15. Wind chill values as low as -13. Windy, with a west wind 30 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow likely, mainly before 11pm. Widespread blowing snow, mainly before 11pm. Mostly cloudy, with a low around 6. Windy, with a west northwest wind 29 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 70%.
Sunday
A 40 percent chance of snow before 11am. Areas of blowing snow. Mostly sunny, with a high near 11. Windy.
Sunday Night
Partly cloudy, with a low around 7. Very windy.
Monday
A chance of snow showers, mainly before 11am. Partly sunny, with a high near 15. Very windy.
Monday Night
Partly cloudy, with a low around 10. Very windy.
Tuesday
A slight chance of snow showers after 11am. Partly sunny, with a high near 24. Very windy.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Strong and damaging winds.
Wednesday
A chance of snow showers. Partly sunny, with a high near 24. Very windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 21. Very windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 24. Very windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Guanella Pass CO
 39.59°N 105.75°W (Elev. 13012 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
1am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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