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

84°F

29°C

Humidity 16%
Wind Speed Calm
Barometer 30.40 in
Dewpoint 33°F (1°C)
Visibility NA
Heat Index81°F (27°C)
Last update 13 Jul 3:55 pm MDT
Extended Forecast for

4 Miles SSW Trail Ridge CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 57. East wind around 7 mph.

    High: 57 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 38. East southeast wind around 9 mph becoming west southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 59. West southwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    High: 59 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday 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 40. Southwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 59 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 57. East wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 38. East southeast wind around 9 mph becoming west southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 59. West southwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Monday 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 40. Southwest wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 39.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 57.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 58.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Trail Ridge CO
 40.37°N 105.77°W (Elev. 12434 ft)
Last Update:
2:21 pm MDT Jul 13, 2025
Forecast Valid:
4pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
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