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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

Breezy

25°F

-4°C

Humidity 81%
Wind Speed NE 22 G 33 mph
Barometer 30.22 in (1024.9 mb)
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 25 Dec 12:51 am EST
Extended Forecast for

Copper Harbor MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Mostly Cloudy
    and Blustery

  • Christmas Day

    Christmas Day: A 40 percent chance of snow showers after 1pm. Cloudy, with a high near 27. North wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph.

    High: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Temperature rising to around 28 by 3am. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F⇑

    Breezy. Snow
    Showers
    Likely then
    Heavy Snow

  • Friday

    Friday: Snow showers likely before 1pm. Cloudy, with a high near 34. Breezy, with a south wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 37.

    High: 37 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow showers before 1pm, then snow showers likely. Cloudy, with a high near 34.

    High: 34 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow showers. Cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Snow Showers
    and Blustery

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Blustery, with a north wind around 20 mph, with gusts as high as 30 mph.
Christmas Day
A 40 percent chance of snow showers after 1pm. Cloudy, with a high near 27. North wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Snow showers. The snow could be heavy at times. Temperature rising to around 28 by 3am. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow showers likely before 1pm. Cloudy, with a high near 34. Breezy, with a south wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Mostly cloudy, with a low around 30. South wind around 5 mph.
Saturday
Cloudy, with a high near 37.
Saturday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Cloudy, with a low around 30. Chance of precipitation is 50%.
Sunday
A chance of rain and snow showers before 1pm, then snow showers likely. Cloudy, with a high near 34.
Sunday Night
Snow showers. Cloudy, with a low around 16. Blustery.
Monday
A chance of snow showers before 1pm. Cloudy, with a high near 20. Blustery.
Monday Night
A chance of snow showers. Cloudy, with a low around 13. Blustery.
Tuesday
A chance of snow showers. Cloudy, with a high near 23.
Tuesday Night
Snow showers likely. Cloudy, with a low around 10. Blustery.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 16. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Copper Harbor MI
 47.46°N 87.89°W (Elev. 719 ft)
Last Update:
10:08 pm EST Dec 24, 2025
Forecast Valid:
1am EST Dec 25, 2025-6pm EST Dec 31, 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