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.

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 S Downieville CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. East wind around 7 mph.

    High: 66 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. Light and variable wind becoming west southwest 5 to 8 mph in the evening.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 71. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Light and variable wind becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. East wind around 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. Light and variable wind becoming west southwest 5 to 8 mph in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 71. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 49. Light and variable wind becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.
Tuesday
Mostly sunny, with a high near 73. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Saturday
Showers and possibly a thunderstorm. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Downieville CO
 39.74°N 105.62°W (Elev. 10233 ft)
Last Update:
1:27 pm MDT Aug 16, 2026
Forecast Valid:
3pm MDT Aug 16, 2026-6pm MDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation