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.

Light Rain

57°F

14°C

Humidity 80%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 6:15 pm MDT
Extended Forecast for

2 Miles N Arapahoe Peak CO

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 36. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow showers, becoming all rain after 4pm. Some thunder is also possible. Mostly cloudy, with a steady temperature around 39. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 48. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Northeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 49.

    High: 49 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 36. West wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Saturday
Rain likely, possibly mixed with snow showers, becoming all rain after 4pm. Some thunder is also possible. Mostly cloudy, with a steady temperature around 39. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 48. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 35. Northeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Labor Day
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 36.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
A chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 46.
Wednesday Night
A chance of rain and snow showers. Some thunder is also possible. Partly cloudy, with a low around 35.
Thursday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 35.
Friday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Arapahoe Peak CO
 40.06°N 105.66°W (Elev. 12014 ft)
Last Update:
2:32 pm MDT Aug 29, 2025
Forecast Valid:
6pm MDT Aug 29, 2025-6pm MDT Sep 5, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation