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

84°F

29°C

Humidity 18%
Wind Speed SE 3 mph
Barometer 30.47 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 1:35 pm MDT
Extended Forecast for

2 Miles SW Arapahoe Peak CO

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 62. West southwest wind 7 to 10 mph becoming south. Winds could gust as high as 17 mph. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • 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. Partly sunny, with a high near 58. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    High: 58 °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 44. Breezy, with a west wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 58 °F

    Mostly Sunny
    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 57. Chance of precipitation is 60%.

    High: 57 °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 58.

    High: 58 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 62. West southwest wind 7 to 10 mph becoming south. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. West southwest wind 9 to 14 mph, with gusts as high as 21 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. Partly sunny, with a high near 58. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 31 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 44. Breezy, with a west wind 11 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 58. West wind 10 to 13 mph, with gusts as high as 21 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 57. 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 58.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59. Breezy.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Arapahoe Peak CO
 40°N 105.68°W (Elev. 12198 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
1pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation