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.

Light Drizzle

56°F

13°C

Humidity 91%
Wind Speed Calm
Barometer 30.53 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 11:15 pm MDT
Extended Forecast for

4 Miles ESE Trail Ridge CO

  • Tonight

    Tonight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. West wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 74. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 74 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 73. West wind 6 to 11 mph becoming light west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    High: 73 °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. Mostly cloudy, with a low around 50. West wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 52. West wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 74. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 73. West wind 6 to 11 mph becoming light west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. West wind 3 to 7 mph. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Trail Ridge CO
 40.42°N 105.66°W (Elev. 9800 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
11pm MDT Aug 22, 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