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.

Partly Cloudy

48°F

9°C

Humidity 74%
Wind Speed Calm
Barometer 30.53 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 Aug 7:15 am MDT
Extended Forecast for

Downieville CO

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 81. West wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 54. East wind 5 to 8 mph becoming west after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 83. West wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. East southeast wind around 6 mph becoming west after midnight.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon. High near 79. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%.

    High: 79 °F

    Mostly Sunny
    then Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm after noon. Mostly sunny, with a high near 77.

    High: 77 °F

    Sunny then
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 81. West wind 7 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph.
Tonight
Partly cloudy, with a low around 54. East wind 5 to 8 mph becoming west after midnight.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 83. West wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 54. East southeast wind around 6 mph becoming west after midnight.
Saturday
Showers and possibly a thunderstorm after noon. High near 79. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Monday
Showers and possibly a thunderstorm after noon. Mostly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
Showers likely and possibly a thunderstorm. Mostly 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:
4:33 am MDT Aug 20, 2026
Forecast Valid:
7am MDT Aug 20, 2026-6pm MDT Aug 26, 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