National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

46°F

8°C

Humidity 70%
Wind Speed Calm
Barometer 30.56 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Aug 4:35 am MDT
Extended Forecast for

Devils Thumb Park CO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming south southeast after midnight.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday 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 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Breezy.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 74. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming south southeast after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 48. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday 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 49. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Devils Thumb Park CO
 39.95°N 105.76°W (Elev. 8848 ft)
Last Update:
12:46 am MDT Aug 25, 2026
Forecast Valid:
4am MDT Aug 25, 2026-6pm MDT Aug 31, 2026
 
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Additional Resources

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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