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

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Mountain - Red Cliff Pass (KCCU)

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

Partly Cloudy

64°F

18°C

Humidity 30%
Wind Speed NW 5 mph
Barometer 30.68 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 3 Aug 3:35 pm MDT
Extended Forecast for

Jefferson CO

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 75. North wind around 8 mph. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 75 °F

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 42. North northwest wind 8 to 13 mph becoming light and variable.

    Chance
    T-storms then
    Partly Cloudy

    Low: 42 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 76. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    Sunny then
    Chance
    T-storms

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41. North wind 5 to 7 mph becoming calm after midnight.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 41 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    Sunny then
    Chance
    T-storms

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 41 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.

    Mostly Sunny
    then Chance
    T-storms

    High: 74 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 40 °F

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

    Sunny then
    Chance
    T-storms

    High: 73 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 75. North wind around 8 mph. Chance of precipitation is 70%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 42. North northwest wind 8 to 13 mph becoming light and variable.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 76. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41. North wind 5 to 7 mph becoming calm after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 73.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jefferson CO
 39.37°N 105.79°W (Elev. 9442 ft)
Last Update:
3:20 pm MDT Aug 3, 2020
Forecast Valid:
3pm MDT Aug 3, 2020-6pm MDT Aug 10, 2020
 
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