National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles SSW 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 5 to 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 5 to 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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grand Lake CO
 40.21°N 105.84°W (Elev. 8399 ft)
Last Update:
12:46 pm MDT Sep 24, 2026
Forecast Valid:
1pm MDT Sep 24, 2026-6pm MDT Sep 30, 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