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

74°F

23°C

Humidity 48%
Wind Speed N 13 mph
Barometer 30.35 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 29 Jul 5:15 pm MDT
Extended Forecast for

2 Miles NW Devils Thumb Park CO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 67. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 67 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 77. West northwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 67. Southwest wind around 5 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 50%.
Thursday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 77. West northwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Devils Thumb Park CO
 39.97°N 105.76°W (Elev. 8789 ft)
Last Update:
12:46 pm MDT Jul 29, 2026
Forecast Valid:
5pm MDT Jul 29, 2026-6pm MDT Aug 5, 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