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.

Fog/Mist

39°F

4°C

Humidity 97%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 38°F (3°C)
Visibility 1.75 mi
Last update 13 Sep 4:15 am MDT
Extended Forecast for

4 Miles NW LONG'S PEAK CO

  • Today

    Today: A chance of showers, then showers and possibly a thunderstorm after noon. High near 57. West southwest wind 6 to 10 mph becoming east in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 90%.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Rain showers likely before 5am, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 37. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Showers
    Likely then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: A chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 54. Breezy, with a west wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 54 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Breezy, with a west wind 11 to 18 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 62. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 62 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.

    High: 59 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, then showers and possibly a thunderstorm after noon. High near 57. West southwest wind 6 to 10 mph becoming east in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 90%.
Tonight
Rain showers likely before 5am, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 37. Breezy, with a west wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow showers before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 54. Breezy, with a west wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around 40. Breezy, with a west wind 11 to 18 mph, with gusts as high as 24 mph.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 62. Breezy, with a west wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 41.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 60.
Tuesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 41.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
4:01 am MDT Sep 13, 2025
Forecast Valid:
4am MDT Sep 13, 2025-6pm MDT Sep 19, 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