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.

Thunderstorm Light Rain

64°F

18°C

Humidity 61%
Wind Speed Calm
Barometer 30.49 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 22 Aug 7:35 pm MDT
Extended Forecast for

4 Miles WSW Trail Ridge CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 63. Breezy, with a west wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. West wind 5 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

    High: 63 °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 42. West southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.

    High: 62 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 44. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 63. Breezy, with a west wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. West wind 5 to 8 mph, with gusts as high as 17 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 42. West southwest wind around 6 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 63. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Trail Ridge CO
 40.41°N 105.81°W (Elev. 11608 ft)
Last Update:
12:46 pm MDT Aug 22, 2026
Forecast Valid:
7pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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