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.

Fair

20°C

68°F

Humidity 33%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 3°C (37°F)
Visibility 16 km
Last update 13 Jul 10:15 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 12. East northeast wind 11 to 16 km/h, with gusts as high as 26 km/h. Chance of precipitation is 30%.

    High: 12 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: 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 6. East southeast wind 14 to 18 km/h becoming west after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 20%.

    Low: 6 °C

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 14. West wind 13 to 18 km/h, with gusts as high as 29 km/h. Chance of precipitation is 60%.

    High: 14 °C

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Breezy, with a west wind 21 to 26 km/h increasing to 27 to 32 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 20%.

    Low: 6 °C

    Breezy.
    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 13. Breezy, with a west wind 23 to 32 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.

    High: 13 °C

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 4. Chance of precipitation is 50%.

    Low: 4 °C

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 12. Breezy. Chance of precipitation is 80%.

    High: 12 °C

    Breezy.
    Chance
    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 3.

    Low: 3 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 12. Breezy.

    High: 12 °C

    Partly Sunny
    then T-storms
    Likely and
    Breezy

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 12. East northeast wind 11 to 16 km/h, with gusts as high as 26 km/h. Chance of precipitation is 30%.
Tonight
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 6. East southeast wind 14 to 18 km/h becoming west after midnight. Winds could gust as high as 29 km/h. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 14. West wind 13 to 18 km/h, with gusts as high as 29 km/h. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Breezy, with a west wind 21 to 26 km/h increasing to 27 to 32 km/h after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 13. Breezy, with a west wind 23 to 32 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 4. Chance of precipitation is 50%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 12. Breezy. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 3.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 12. Breezy.
Thursday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 5. Breezy.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 13. Breezy.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 5. Breezy.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 13. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 m)
Last Update:
4:01 am MDT Jul 13, 2025
Forecast Valid:
10am MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation