Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

36°F

2°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.77 in (1008.8 mb)
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 15 Apr 4:51 pm EDT
Extended Forecast for

Copper Harbor MI

Flood Watch April 15, 05:40pm until April 17, 02:00am
Dense Fog Advisory April 15, 10:00pm until April 16, 10:00am
Click here for hazard details and duration
Flood Watch
Dense Fog Advisory
  •  
    Flood Watch April 15, 05:40pm until April 17, 02:00am

    NOW until 2:00am Fri

    Flood Watch

  • Tonight

    Low: 33 °F

    Patchy Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind.

    High: 44 °F

    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 35. Southeast wind 5 to 10 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers after 2pm.  Mostly cloudy, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms.  Low around 30. Southeast wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 90%.

    Low: 30 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am.  Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers after 2am.  Mostly cloudy, with a low around 24. Blustery.

    Low: 24 °F

    Blustery.
    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A chance of snow showers before 8am.  Mostly cloudy, with a high near 33. Breezy.

    High: 33 °F

    Breezy.
    Chance Snow
    Showers then
    Partly Sunny

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Thursday
Widespread dense fog, mainly before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind.
Thursday Night
Increasing clouds, with a low around 35. Southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and thunderstorms. Low around 30. Southeast wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 35. Breezy.
Saturday Night
A 30 percent chance of snow showers after 2am. Mostly cloudy, with a low around 24. Blustery.
Sunday
A chance of snow showers before 8am. Mostly cloudy, with a high near 33. Breezy.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Copper Harbor MI
 47.46°N 87.89°W (Elev. 719 ft)
4:02 pm EDT Apr 15, 2026
5pm EDT Apr 15, 2026-6pm EDT Apr 22, 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