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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

47°F

8°C

Humidity 46%
Wind Speed Calm
Barometer 29.89 in (1012.7 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 21 Apr 5:51 pm EDT
Extended Forecast for

Copper Harbor MI

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am. Increasing clouds, with a low around 37. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers before 8am. Mostly cloudy, with a high near 48. Southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 48 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 39. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 37. Southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 10 percent chance of showers before 8am. Mostly cloudy, with a high near 48. Southeast wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Showers likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A chance of showers. Partly sunny, with a high near 46.
Monday Night
A chance of showers. Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 47.
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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:
4:13 pm EDT Apr 21, 2026
Forecast Valid:
6pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
 
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