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

Copper Mountain - Red Cliff Pass (KCCU)

Lat: 39.48°NLon: 106.15°WElev: 12028ft.

Overcast

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 30.54 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Sep 2:55 am MDT
Extended Forecast for

Jefferson CO

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a steady temperature around 46. Calm wind.

    Low: 46 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 61 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 6 to 8 mph becoming north northwest after midnight.

    Low: 32 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65. West wind 6 to 9 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a steady temperature around 46. Calm wind.
Friday
Showers likely and possibly a thunderstorm, mainly after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West southwest wind 6 to 8 mph becoming north northwest after midnight.
Saturday
Sunny, with a high near 65. West wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35.
Monday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 34.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 54.
Tuesday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 31. Blustery.
Wednesday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 57.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 28.
Thursday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson CO
 39.37°N 105.79°W (Elev. 9442 ft)
Last Update:
12:46 am MDT Sep 25, 2026
Forecast Valid:
3am 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