National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

50°F

10°C

Humidity 67%
Wind Speed Calm
Barometer 30.58 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 22 Aug 6:55 am MDT
Extended Forecast for

4 Miles S Trail Ridge CO

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 64. Southwest wind 5 to 7 mph becoming east southeast in the afternoon. Chance of precipitation is 60%.

    High: 64 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 46. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 61. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 61 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. West wind 8 to 13 mph becoming light in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%.

    High: 60 °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 43. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 64. Southwest wind 5 to 7 mph becoming east southeast in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 46. South wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 61. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. West wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60. West wind 8 to 13 mph becoming light in the afternoon. Winds could gust as high as 17 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 43. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Trail Ridge CO
 40.37°N 105.75°W (Elev. 12028 ft)
Last Update:
2:15 am MDT Aug 22, 2026
Forecast Valid:
7am MDT Aug 22, 2026-6pm MDT Aug 28, 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