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 today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

61°F

16°C

Humidity 41%
Wind Speed E 8 mph
Barometer 30.41 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 24 Sep 2:15 pm MDT
Extended Forecast for

3 Miles SW Grand Lake CO

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 60. East wind around 7 mph.  Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 3am.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 38. East wind 5 to 7 mph becoming calm  after midnight.

    Low: 38 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 60. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 34. West southwest wind 3 to 6 mph.

    Low: 34 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 60. East wind around 7 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers, mainly before 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 38. East wind 5 to 7 mph becoming calm after midnight.
Friday
A 50 percent chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 60. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 34. West southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58.
Monday Night
Rain showers before 3am, then rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Grand Lake CO
 40.21°N 105.84°W (Elev. 8399 ft)
12:46 pm MDT Sep 24, 2026
2pm MDT Sep 24, 2026-6pm MDT Sep 30, 2026
 
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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