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.

Overcast and Breezy

39°F

4°C

Humidity 55%
Wind Speed W 22 G 35 mph
Barometer 29.78 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 10:35 pm MDT
Extended Forecast for

4 Miles SW Allenspark CO

Winter Weather Advisory until March 15, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 15, 09:00am

    NOW until 9:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 6 °F

    Snow and
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Widespread blowing snow, mainly before noon. Partly sunny, with a high near 11. Wind chill values as low as -17. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 11 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Widespread blowing snow before midnight, then patchy blowing snow after 3am. Partly cloudy, with a low around 9. Wind chill values as low as -14. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 50 mph.

    Low: 9 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow. Partly sunny, with a high near 29. Wind chill values as low as -11. Very windy, with a west southwest wind 30 to 37 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    and Very
    Windy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27. Very windy, with a west wind 39 to 43 mph, with gusts as high as 60 mph.

    Low: 27 °F

    Very Windy.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Very windy.

    High: 41 °F

    Mostly Sunny
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Windy.

    Low: 34 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 49. Windy.

    High: 49 °F

    Sunny and
    Windy

Detailed Forecast

Tonight
Snow. Widespread blowing snow, mainly after midnight. Low around 6. Wind chill values as low as -8. Very windy, with a west wind 29 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
Snow likely, mainly before noon. Widespread blowing snow, mainly before noon. Partly sunny, with a high near 11. Wind chill values as low as -17. Windy, with a northwest wind 23 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Widespread blowing snow before midnight, then patchy blowing snow after 3am. Partly cloudy, with a low around 9. Wind chill values as low as -14. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 50 mph.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 29. Wind chill values as low as -11. Very windy, with a west southwest wind 30 to 37 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27. Very windy, with a west wind 39 to 43 mph, with gusts as high as 60 mph.
Tuesday
Mostly sunny, with a high near 41. Very windy.
Tuesday Night
Partly cloudy, with a low around 34. Windy.
Wednesday
Sunny, with a high near 49. Windy.
Wednesday Night
Mostly clear, with a low around 37. Breezy.
Thursday
Sunny, with a high near 54. Breezy.
Thursday Night
Mostly clear, with a low around 37. Breezy.
Friday
Sunny, with a high near 54. Breezy.
Friday Night
Mostly clear, with a low around 36. Breezy.
Saturday
Sunny, with a high near 55. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Allenspark CO
 40.16°N 105.58°W (Elev. 11047 ft)
Last Update:
12:47 pm MDT Mar 14, 2026
Forecast Valid:
10pm MDT Mar 14, 2026-6pm MDT Mar 21, 2026
 
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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