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.

Overcast

78°F

26°C

Humidity 25%
Wind Speed N 12 G 21 mph
Barometer 30.41 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Aug 2:55 pm MDT
Extended Forecast for

4 Miles WSW Trail Ridge CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 61. North northwest wind around 8 mph.

    High: 61 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 44. Northwest wind 5 to 8 mph becoming south southwest after midnight. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. West southwest wind 5 to 8 mph becoming north in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. North wind around 5 mph becoming light and variable after midnight.

    Low: 45 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 62. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 62 °F

    Partly Sunny
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms after 9am. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Chance
    Showers 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 39.

    Low: 39 °F

    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers then
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 61. North northwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 44. Northwest wind 5 to 8 mph becoming south southwest after midnight. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. West southwest wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. North wind around 5 mph becoming light and variable after midnight.
Wednesday
Showers and possibly a thunderstorm after noon. High near 62. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and thunderstorms after 9am. High near 56. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 55.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 38.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 56.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 38.
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 WSW Trail Ridge CO
 40.41°N 105.81°W (Elev. 11608 ft)
Last Update:
12:46 pm MDT Aug 10, 2026
Forecast Valid:
3pm MDT Aug 10, 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