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.

Rain

53°F

12°C

Humidity 93%
Wind Speed S 3 mph
Barometer 30.48 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 10:15 pm MDT
Extended Forecast for

3 Miles SSW Arapahoe Peak CO

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 49. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 49 °F

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. West wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 44. West northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 44 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of rain and snow showers before noon, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.

    High: 44 °F

    Chance
    Rain/Snow
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 48.

    High: 48 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 49. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. West wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 44. West northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers before noon, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 36.
Labor Day
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 50.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Wednesday
Rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Arapahoe Peak CO
 40°N 105.68°W (Elev. 12198 ft)
Last Update:
2:09 pm MDT Aug 27, 2025
Forecast Valid:
10pm MDT Aug 27, 2025-6pm MDT Sep 3, 2025
 
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