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

Downieville CO

  • Overnight

    Overnight: Mostly clear, with a low around 47. West southwest wind around 7 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Light and variable wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. West northwest wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 79 °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 51. West southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. West southwest wind around 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 6 to 8 mph becoming east northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 50. Light and variable wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 79. West northwest wind 8 to 10 mph, with gusts as high as 17 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 51. West southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Saturday
Showers and possibly a thunderstorm. Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Downieville CO
 39.76°N 105.62°W (Elev. 9213 ft)
Last Update:
1:27 pm MDT Aug 16, 2026
Forecast Valid:
12am MDT Aug 17, 2026-6pm MDT Aug 23, 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