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

72°F

22°C

Humidity 38%
Wind Speed SW 10 G 16 mph
Barometer 30.50 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 23 Aug 11:55 am MDT
Extended Forecast for

4 Miles W Allenspark CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 50. West wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 77. West wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. West wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. West wind 3 to 7 mph. Chance of precipitation is 70%.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. West wind 9 to 13 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 50. West wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 77. West wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. West wind 3 to 7 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. West wind 3 to 7 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Allenspark CO
 40.2°N 105.58°W (Elev. 9229 ft)
Last Update:
2:19 am MDT Aug 23, 2026
Forecast Valid:
12pm MDT Aug 23, 2026-6pm MDT Aug 29, 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