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

Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

26°F

-3°C

Humidity 84%
Wind Speed S 3 mph
Barometer 30.08 in (1019.9 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 15 Mar 4:51 am EDT
Extended Forecast for

Copper Harbor MI

Blizzard Warning until March 17, 02:00am
Lakeshore Flood Warning March 15, 08:00pm until March 16, 11:00pm
Click here for hazard details and duration
Blizzard Warning
Lakeshore Flood Warning
  •  
    Blizzard Warning until March 17, 02:00am

    NOW until 2:00am Tue

    Blizzard Warning

  • Overnight

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 10am. The snow could be heavy at times. Widespread blowing snow, mainly after noon. High near 30. Windy, with an east wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

    High: 30 °F

    Heavy Snow
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Widespread blowing snow. Low around 13. Wind chill values between -5 and 5. Windy, with a northeast wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.

    Low: 13 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Widespread blowing snow. High near 18. Wind chill values between -5 and -10. Very windy, with a north wind 40 to 45 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.

    High: 18 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 8pm. Widespread blowing snow, mainly before 1am. Mostly cloudy, with a low around 9. Windy, with a north wind 30 to 40 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.

    Low: 9 °F

    Snow Likely
    and Blowing
    Snow

  • Tuesday

    Tuesday: Patchy blowing snow before 8am. Mostly cloudy, with a high near 19.

    High: 19 °F

    Patchy
    Blowing Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 2am. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers before 8am. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. Southeast wind around 5 mph.
Sunday
Snow, mainly after 10am. The snow could be heavy at times. Widespread blowing snow, mainly after noon. High near 30. Windy, with an east wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 13. Wind chill values between -5 and 5. Windy, with a northeast wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.
Monday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 18. Wind chill values between -5 and -10. Very windy, with a north wind 40 to 45 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 6 inches possible.
Monday Night
Snow likely, mainly before 8pm. Widespread blowing snow, mainly before 1am. Mostly cloudy, with a low around 9. Windy, with a north wind 30 to 40 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.
Tuesday
Patchy blowing snow before 8am. Mostly cloudy, with a high near 19.
Tuesday Night
A 30 percent chance of snow showers after 2am. Mostly cloudy, with a low around 12.
Wednesday
A chance of snow showers before 8am. Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow showers before 2am. Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 36.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 26. Blustery.
Saturday
Partly sunny, with a high near 32. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Copper Harbor MI
 47.46°N 87.89°W (Elev. 719 ft)
Last Update:
5:12 am EDT Mar 15, 2026
Forecast Valid:
5am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation