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

81°F

27°C

Humidity 22%
Wind Speed Calm
Barometer 30.55 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 11:35 am MDT
Extended Forecast for

2 Miles ENE 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 temperature falling to around 53 by 5pm. South southeast wind 7 to 10 mph becoming southwest. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 64 °F⇓

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 44. Breezy, with a west wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 62. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph.

    High: 62 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Breezy, with a west wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    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. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.

    Low: 40 °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
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a temperature falling to around 53 by 5pm. South southeast wind 7 to 10 mph becoming southwest. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 44. Breezy, with a west wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 62. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 44. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Breezy, with a west wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
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 40. Breezy.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 61. Breezy.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Arapahoe Peak CO
 40.02°N 105.62°W (Elev. 11831 ft)
Last Update:
2:15 am MDT Aug 22, 2026
Forecast Valid:
12pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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