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

69°F

21°C

Humidity 35%
Wind Speed Calm
Barometer 30.57 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 25 Aug 10:35 am MDT
Extended Forecast for

3 Miles W Allenspark CO

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a temperature rising to near 75 by noon, then falling to around 64 during the remainder of the day. West wind around 5 mph becoming northeast in the afternoon.

    High: 75 °F⇓

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. Light and variable wind becoming west around 6 mph after midnight.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 74. West wind around 6 mph becoming calm. Chance of precipitation is 60%.

    High: 74 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 77. West wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 60%.

    High: 77 °F

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a temperature rising to near 75 by noon, then falling to around 64 during the remainder of the day. West wind around 5 mph becoming northeast in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. Light and variable wind becoming west around 6 mph after midnight.
Wednesday
A slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 74. West wind around 6 mph becoming calm. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 77. West wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Allenspark CO
 40.2°N 105.56°W (Elev. 9016 ft)
Last Update:
12:46 am MDT Aug 25, 2026
Forecast Valid:
10am MDT Aug 25, 2026-6pm MDT Aug 31, 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