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

21°F

-6°C

Humidity 64%
Wind Speed S 3 mph
Barometer 30.07 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 5 Dec 1:15 am MST
Extended Forecast for

4 Miles S LONG'S PEAK 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 40 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -14. Very windy, with a west wind 36 to 39 mph, with gusts as high as 65 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 12 °F

    Chance Snow
    and Blowing
    Snow

  • Friday

    Friday: Snow likely. Widespread blowing snow, mainly before 9am. Mostly cloudy, with a high near 20. Wind chill values as low as -10. Windy, with a west wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 20 °F

    Snow Likely
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 9pm. Temperature rising to around 21 by 5am. Wind chill values as low as -5. Very windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    Low: 16 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow. High near 22. Wind chill values as low as -3. Very windy, with a west wind 31 to 38 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 12. Windy, with a west wind 29 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 70%.

    Low: 12 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 11am. Areas of blowing snow. Mostly sunny, with a high near 19. Windy.

    High: 19 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 14. Very windy.

    Low: 14 °F

    Slight Chance
    Snow Showers
    and Very
    Windy

  • Monday

    Monday: A chance of snow showers, mainly before 11am. Partly sunny, with a high near 23. Very windy.

    High: 23 °F

    Chance Snow
    Showers and
    Very Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. Very windy.

    Low: 18 °F

    Mostly Cloudy
    and Very
    Windy

Detailed Forecast

Overnight
A 40 percent chance of snow. Widespread blowing snow. Mostly cloudy, with a steady temperature around 12. Wind chill values as low as -14. Very windy, with a west wind 36 to 39 mph, with gusts as high as 65 mph. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely. Widespread blowing snow, mainly before 9am. Mostly cloudy, with a high near 20. Wind chill values as low as -10. Windy, with a west wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 9pm. Temperature rising to around 21 by 5am. Wind chill values as low as -5. Very windy, with a west wind 25 to 30 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 22. Wind chill values as low as -3. Very windy, with a west wind 31 to 38 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 12. Windy, with a west wind 29 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 70%.
Sunday
A 40 percent chance of snow, mainly before 11am. Areas of blowing snow. Mostly sunny, with a high near 19. Windy.
Sunday Night
A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 14. Very windy.
Monday
A chance of snow showers, mainly before 11am. Partly sunny, with a high near 23. Very windy.
Monday Night
Mostly cloudy, with a low around 18. Very windy.
Tuesday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 29. Strong and damaging winds.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Strong and damaging winds.
Wednesday
Snow showers likely. Partly sunny, with a high near 30. Very windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Very windy.
Thursday
A chance of snow showers. Partly sunny, with a high near 30. Very windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S LONG'S PEAK CO
 40.2°N 105.64°W (Elev. 10364 ft)
Last Update:
2:21 pm MST Dec 4, 2025
Forecast Valid:
1am MST Dec 5, 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