Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

41°F

5°C

Humidity 89%
Wind Speed NE 3 mph
Barometer 29.89 in (1012.7 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 13 Apr 2:51 pm EDT
Extended Forecast for

Copper Harbor MI

Flood Watch April 13, 03:14pm until April 15, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 13, 03:14pm until April 15, 08:00am

    NOW until 8:00am Wed

    Flood Watch

  • This Afternoon

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers after 11pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 34. East wind around 5 mph.

    Low: 34 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 9am, then a slight chance of showers after 3pm.  Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 40. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Calm wind becoming northeast around 5 mph.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. North wind around 5 mph.
Tonight
A 50 percent chance of showers after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 34. East wind around 5 mph.
Tuesday
A slight chance of showers before 9am, then a slight chance of showers after 3pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 40. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
Mostly cloudy, with a high near 40. Calm wind becoming northeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 49.
Friday Night
Showers after 8pm. Mostly cloudy, with a low around 34. Breezy.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Breezy.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 26. Blustery.
Sunday
Mostly cloudy, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Copper Harbor MI
 47.46°N 87.89°W (Elev. 719 ft)
2:22 pm EDT Apr 13, 2026
3pm EDT Apr 13, 2026-6pm EDT Apr 19, 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