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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Broomfield / Jeffco (KBJC)

Lat: 39.9°NLon: 105.1°WElev: 5551ft.

Mostly Cloudy

72°F

22°C

Humidity 50%
Wind Speed E 7 mph
Barometer 30.14 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Sep 12:45 pm MDT
Extended Forecast for

Louisville CO

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 72. East wind around 5 mph becoming light and variable. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 52. Light and variable wind becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.

    Low: 52 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Light and variable wind becoming southwest around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 72. East wind around 5 mph becoming light and variable. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 52. Light and variable wind becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 81. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 52. Light and variable wind becoming southwest around 6 mph.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A 30 percent chance of showers after noon. Partly sunny, with a high near 77.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers. Partly sunny, with a high near 72.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Thursday
A slight chance of showers. Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville CO
 39.96°N 105.16°W (Elev. 5433 ft)
Last Update:
12:46 pm MDT Sep 25, 2026
Forecast Valid:
1pm MDT Sep 25, 2026-6pm MDT Oct 1, 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