National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair and Breezy

70°F

21°C

Humidity 11%
Wind Speed W 22 G 29 mph
Barometer 30.11 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 15 May 1:55 pm MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of rain showers before 3am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 37. West southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow showers, mainly after noon. Some thunder is also possible. High near 49. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 49 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain showers before 9pm, then snow showers, possibly mixed with rain between 9pm and midnight, then snow showers after midnight. Some thunder is also possible. Low around 29. Chance of precipitation is 100%.

    Low: 29 °F

    Rain/Snow
    then Snow
    Showers

  • Monday

    Monday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 90%.

    High: 33 °F

    Heavy Snow
    and Breezy

  • Monday Night

    Monday Night: A chance of snow showers before midnight. Mostly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Chance Snow
    Showers and
    Breezy then
    Partly Cloudy

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 37.

    High: 37 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 39. West wind 7 to 14 mph, with gusts as high as 23 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday Night
A chance of rain showers before 3am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 37. West southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow showers, mainly after noon. Some thunder is also possible. High near 49. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Sunday Night
Rain showers before 9pm, then snow showers, possibly mixed with rain between 9pm and midnight, then snow showers after midnight. Some thunder is also possible. Low around 29. Chance of precipitation is 100%.
Monday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 18. Breezy.
Tuesday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 37.
Tuesday Night
A chance of snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 22.
Wednesday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 44. Breezy.
Wednesday Night
A slight chance of snow showers. Partly cloudy, with a low around 27.
Thursday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 51. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
12:46 pm MDT May 15, 2026
Forecast Valid:
2pm MDT May 15, 2026-6pm MDT May 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