Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

A Few Clouds

90°F

32°C

Humidity 16%
Wind Speed E 8 mph
Barometer 30.15 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Aug 1:51 pm MDT
Extended Forecast for

2 Miles SSE Downieville CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 74. North wind around 6 mph becoming south.

    High: 74 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South southeast wind 5 to 7 mph becoming west after midnight.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 74. West southwest wind 5 to 7 mph becoming east in the morning.

    High: 74 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. East southeast wind around 7 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 74. North wind around 6 mph becoming south.
Tonight
Partly cloudy, with a low around 47. South southeast wind 5 to 7 mph becoming west after midnight.
Monday
A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 74. West southwest wind 5 to 7 mph becoming east in the morning.
Monday Night
Mostly clear, with a low around 48. East southeast wind around 7 mph becoming west after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 76. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
Showers and possibly a thunderstorm. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Downieville CO
 39.74°N 105.59°W (Elev. 9600 ft)
7:14 am MDT Aug 17, 2025
2pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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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