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

26°F

-3°C

Humidity 60%
Wind Speed W 21 G 37 mph
Barometer 29.85 in
Dewpoint 13°F (-11°C)
Visibility 7.00 mi
Wind Chill12°F (-11°C)
Last update 15 Mar 4:15 am MDT
Extended Forecast for

2 Miles SSW LONG'S PEAK CO

Winter Weather Advisory March 15, 04:38am until March 15, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 15, 04:38am until March 15, 09:00am

    NOW until 9:00am Sun

    Winter Weather Advisory

  • Overnight

    Low: 1 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Widespread blowing snow, mainly before noon. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -24. Windy, with a west northwest wind 28 to 32 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 9 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Widespread blowing snow before midnight. Partly cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a west wind 20 to 29 mph, with gusts as high as 46 mph.

    Low: 3 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24. Wind chill values as low as -19. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Very windy, with a west wind 34 to 37 mph, with gusts as high as 55 mph.

    Low: 22 °F

    Chance Snow
    and Very
    Windy

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 35. Very windy.

    High: 35 °F

    Slight Chance
    Snow and Very
    Windy then
    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. Very windy.

    Low: 30 °F

    Mostly Clear
    and Very
    Windy

  • Wednesday

    Wednesday: Sunny, with a high near 45. Windy.

    High: 45 °F

    Sunny and
    Windy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 1. Wind chill values as low as -19. Very windy, with a west northwest wind 36 to 38 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.
Sunday
Snow likely, mainly before noon. Widespread blowing snow, mainly before noon. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -24. Windy, with a west northwest wind 28 to 32 mph, with gusts as high as 55 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. Partly cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a west wind 20 to 29 mph, with gusts as high as 46 mph.
Monday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 24. Wind chill values as low as -19. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Very windy, with a west wind 34 to 37 mph, with gusts as high as 55 mph.
Tuesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 35. Very windy.
Tuesday Night
Mostly clear, with a low around 30. Very windy.
Wednesday
Sunny, with a high near 45. Windy.
Wednesday Night
Mostly clear, with a low around 31. Windy.
Thursday
Sunny, with a high near 48. Windy.
Thursday Night
Mostly clear, with a low around 33. Windy.
Friday
Sunny, with a high near 49. Windy.
Friday Night
Mostly clear, with a low around 30. Breezy.
Saturday
Sunny, with a high near 51. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW LONG'S PEAK CO
 40.22°N 105.61°W (Elev. 11161 ft)
Last Update:
12:46 am MDT Mar 15, 2026
Forecast Valid:
4am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
Forecast Discussion
 
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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