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.

Mostly Cloudy

69°F

21°C

Humidity 35%
Wind Speed SE 12 mph
Barometer 30.38 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 31 Aug 3:35 pm MDT
Extended Forecast for

2 Miles NNE Devils Thumb Park CO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 64. South southeast wind around 6 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Cloudy, with a low around 45. South southeast wind around 6 mph becoming light and variable. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between noon and 3pm. Cloudy through mid morning, then gradual clearing, with a high near 64. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 5 to 9 mph becoming light west northwest in the evening. Winds could gust as high as 17 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 64. South southeast wind around 6 mph. Chance of precipitation is 70%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Cloudy, with a low around 45. South southeast wind around 6 mph becoming light and variable. Chance of precipitation is 70%.
Tuesday
A slight chance of showers and thunderstorms between noon and 3pm. Cloudy through mid morning, then gradual clearing, with a high near 64. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 45. West wind 5 to 9 mph becoming light west northwest in the evening. Winds could gust as high as 17 mph.
Wednesday
Mostly sunny, with a high near 67. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 45.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 68.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Devils Thumb Park CO
 39.99°N 105.74°W (Elev. 10052 ft)
Last Update:
12:46 pm MDT Aug 31, 2026
Forecast Valid:
3pm MDT Aug 31, 2026-6pm MDT Sep 6, 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