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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Overcast

63°F

17°C

Humidity 52%
Wind Speed NW 5 mph
Barometer 30.43 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 Aug 10:35 am MDT
Extended Forecast for

Downieville CO

  • Today

    Today: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 75. West northwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

    High: 75 °F

    Partly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: 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 48. West wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. West wind 6 to 8 mph becoming south southeast in the afternoon.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. South southeast wind around 6 mph becoming west after midnight.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 5 to 7 mph becoming east in the afternoon.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 75. West northwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Tonight
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 48. West wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. West wind 6 to 8 mph becoming south southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 48. South southeast wind around 6 mph becoming west after midnight.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 5 to 7 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Downieville CO
 39.76°N 105.62°W (Elev. 9213 ft)
Last Update:
4:01 am MDT Aug 16, 2025
Forecast Valid:
10am MDT Aug 16, 2025-6pm MDT Aug 22, 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