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

4 Miles WNW 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: -2 °F

    Snow and
    Blowing Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Areas of blowing snow. Mostly cloudy and cold, with a high near 5. Wind chill values as low as -27. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 5 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Areas of blowing snow before midnight. Partly cloudy, with a low around 0. Wind chill values as low as -22. Windy, with a west wind 20 to 28 mph, with gusts as high as 44 mph.

    Low: 0 °F

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: A 40 percent chance of snow. Partly sunny, with a high near 21. Wind chill values as low as -21. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.

    Low: 19 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: A 30 percent chance of snow before noon. Mostly sunny, with a high near 33. Windy.

    High: 33 °F

    Windy. Chance
    Snow then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Windy.

    Low: 25 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 40. Breezy.

    High: 40 °F

    Sunny and
    Breezy

Detailed Forecast

Overnight
Snow. Widespread blowing snow. Low around -2. Wind chill values as low as -22. Windy, with a west northwest wind 32 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Sunday
Snow likely, mainly before noon. Areas of blowing snow. Mostly cloudy and cold, with a high near 5. Wind chill values as low as -27. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 48 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. Areas of blowing snow before midnight. Partly cloudy, with a low around 0. Wind chill values as low as -22. Windy, with a west wind 20 to 28 mph, with gusts as high as 44 mph.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 21. Wind chill values as low as -21. Windy, with a west wind 24 to 29 mph, with gusts as high as 44 mph. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.
Tuesday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 33. Windy.
Tuesday Night
Mostly clear, with a low around 25. Windy.
Wednesday
Sunny, with a high near 40. Breezy.
Wednesday Night
Mostly clear, with a low around 27. Breezy.
Thursday
Sunny, with a high near 44. Breezy.
Thursday Night
Mostly clear, with a low around 29. Breezy.
Friday
Sunny, with a high near 46. Breezy.
Friday Night
Mostly clear, with a low around 27. Breezy.
Saturday
Sunny, with a high near 47. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW LONG'S PEAK CO
 40.28°N 105.68°W (Elev. 11834 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