Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

55°F

13°C

Humidity 57%
Wind Speed Calm
Barometer 30.41 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 23 Sep 8:35 pm MDT
Extended Forecast for

Trail Ridge CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers.  Mostly cloudy, with a low around 38. Light and variable wind.  Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 48. Calm wind becoming east 5 to 7 mph in the morning.  Chance of precipitation is 70%.

    High: 48 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 35. East southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 50. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Breezy, with a west wind 9 to 16 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers. Mostly cloudy, with a low around 38. Light and variable wind. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. East southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 50. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 35. Breezy, with a west wind 9 to 16 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 57.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 39.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 32.
Tuesday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 43.
Tuesday Night
A chance of snow showers. Partly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Trail Ridge CO
 40.46°N 105.75°W (Elev. 10761 ft)
12:46 pm MDT Sep 23, 2026
8pm MDT Sep 23, 2026-6pm MDT Sep 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database