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.

Overcast

64°F

18°C

Humidity 38%
Wind Speed SE 8 mph
Barometer 30.41 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Aug 10:35 pm MDT
Extended Forecast for

4 Miles NNE Trail Ridge CO

  • Tonight

    Tonight: Areas of smoke. Mostly cloudy, with a low around 42. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Areas Smoke

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. West northwest wind around 8 mph.

    High: 64 °F

    Mostly Sunny
    then Chance
    T-storms

  • 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 40. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 62. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 62 °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. Mostly cloudy, with a low around 41. North northwest wind 6 to 9 mph becoming west in the evening. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 60. Chance of precipitation is 80%.

    High: 60 °F

    Partly Sunny
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 53.

    High: 53 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers

Detailed Forecast

Tonight
Areas of smoke. Mostly cloudy, with a low around 42. West wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. West northwest wind around 8 mph.
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 40. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 62. West wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 41. North northwest wind 6 to 9 mph becoming west in the evening. Chance of precipitation is 40%.
Wednesday
Showers and possibly a thunderstorm after noon. High near 60. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 53.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 34.
Friday
Showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 52.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 34.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 54.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 33.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Trail Ridge CO
 40.48°N 105.7°W (Elev. 12300 ft)
Last Update:
12:46 pm MDT Aug 9, 2026
Forecast Valid:
11pm MDT Aug 9, 2026-6pm MDT Aug 16, 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