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.

Partly Cloudy and Windy

73°F

23°C

Humidity 34%
Wind Speed SE 28 G 33 mph
Barometer 30.49 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 Aug 2:35 pm MDT
Extended Forecast for

Arapahoe Peak CO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 61. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

    High: 61 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Breezy, with a west wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 61 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 44. Breezy, with a west wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 61. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Breezy, with a west wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. Breezy.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.62°W (Elev. 11831 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
2pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation