Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

28°F

-2°C

Humidity 58%
Wind Speed NE 16 G 32 mph
Barometer 29.82 in (1011.0 mb)
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 13 Mar 6:51 pm EDT
Extended Forecast for

4 Miles W Copper Harbor MI

Winter Storm Watch March 15, 05:00am until March 17, 02:00am
Click here for hazard details and duration
Winter Storm Watch
  • Tonight

    Tonight: Patchy blowing snow before 11pm. Mostly cloudy, with a low around 19. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. North wind around 5 mph becoming west in the morning.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 2am.  Mostly cloudy, with a low around 23. South wind around 5 mph.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Snow, mainly after 8am. The snow could be heavy at times.  Widespread blowing snow, mainly after 2pm. High near 28. Blustery, with a northeast wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.

    High: 28 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times.  Widespread blowing snow. Low around 11. Windy, with a northeast wind 30 to 40 mph, with gusts as high as 55 mph.  Chance of precipitation is 80%.

    Low: 11 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 2pm.  Widespread blowing snow. Cloudy, with a high near 15. Windy.  Chance of precipitation is 60%.

    High: 15 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: A chance of snow before 8pm, then a chance of snow showers between 8pm and 2am.  Mostly cloudy, with a low around 7. Windy.  Chance of precipitation is 30%.

    Low: 7 °F

    Chance Snow
    and Windy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 19. Blustery.

    High: 19 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 2am.  Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Patchy blowing snow before 11pm. Mostly cloudy, with a low around 19. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 29. North wind around 5 mph becoming west in the morning.
Saturday Night
A 20 percent chance of snow after 2am. Mostly cloudy, with a low around 23. South wind around 5 mph.
Sunday
Snow, mainly after 8am. The snow could be heavy at times. Widespread blowing snow, mainly after 2pm. High near 28. Blustery, with a northeast wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 11. Windy, with a northeast wind 30 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 80%.
Monday
Snow likely, mainly before 2pm. Widespread blowing snow. Cloudy, with a high near 15. Windy. Chance of precipitation is 60%.
Monday Night
A chance of snow before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 7. Windy. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 19. Blustery.
Tuesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 10.
Wednesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Copper Harbor MI
 47.47°N 87.98°W (Elev. 889 ft)
5:17 pm EDT Mar 13, 2026
7pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
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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