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 >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

23°F

-5°C

Humidity 78%
Wind Speed NE 14 G 23 mph
Barometer 30.30 in (1027.4 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 25 Dec 4:51 am EST
Extended Forecast for

Central MI

Winter Weather Advisory December 25, 04:00pm until December 26, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A 50 percent chance of snow showers, mainly after 2pm. Cloudy, with a high near 24. Northeast wind 10 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 24 °F

    Cloudy then
    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers. The snow could be heavy at times. Temperature rising to around 25 by 4am. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F⇑

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow showers and freezing rain likely, becoming all snow after noon, then gradually ending. Cloudy, with a high near 31. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

    High: 31 °F

    Wintry Mix
    Likely then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 33. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of freezing rain. Cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Freezing Rain

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Snow showers. Cloudy, with a low around 10.

    Low: 10 °F

    Snow Showers

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Cloudy, with a high near 15. Blustery.

    High: 15 °F

    Snow Showers
    Likely and
    Blustery

Detailed Forecast

Christmas Day
A 50 percent chance of snow showers, mainly after 2pm. Cloudy, with a high near 24. Northeast wind 10 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers. The snow could be heavy at times. Temperature rising to around 25 by 4am. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow showers and freezing rain likely, becoming all snow after noon, then gradually ending. Cloudy, with a high near 31. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Friday Night
Cloudy, with a low around 26. South wind around 5 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 33. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of freezing rain. Cloudy, with a low around 27. Chance of precipitation is 50%.
Sunday
Snow showers likely, mainly after 1pm. Cloudy, with a high near 32. Chance of precipitation is 60%.
Sunday Night
Snow showers. Cloudy, with a low around 10.
Monday
Snow showers likely, mainly before 1pm. Cloudy, with a high near 15. Blustery.
Monday Night
A chance of snow showers. Cloudy, with a low around 8.
Tuesday
A chance of snow showers. Cloudy, with a high near 19.
Tuesday Night
Snow showers likely. Cloudy, with a low around 5.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Central MI
 47.41°N 88.21°W (Elev. 1299 ft)
Last Update:
4:42 am EST Dec 25, 2025
Forecast Valid:
5am 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