Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Munising - Munising Lakeshore Observation (KP53)

Lat: 46.41°NLon: 86.65°WElev: 607ft.

25°F

-4°C

Humidity 78%
Wind Speed S 5 mph
Barometer 29.48 in (999.1 mb)
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 9 Dec 11:56 pm EST
Extended Forecast for

Chatham MI

  • Overnight

    Overnight: A chance of snow before 2am, then snow showers likely, mainly after 4am.  Cloudy, with a temperature rising to around 24 by 5am. East wind 5 to 10 mph becoming north.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow showers, mainly before 1pm.  High near 26. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely.  Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 18 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 27. Northwest wind around 10 mph, with gusts as high as 20 mph.  New snow accumulation of less than one inch possible.

    High: 27 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 14. West wind around 5 mph.

    Low: 14 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after 1pm.  Mostly cloudy, with a high near 25. Chance of precipitation is 70%.

    High: 25 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers likely.  Mostly cloudy, with a low around 7. Chance of precipitation is 70%.

    Low: 7 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely.  Mostly cloudy, with a high near 14.

    High: 14 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow showers likely.  Mostly cloudy, with a low around 3.

    Low: 3 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
A chance of snow before 2am, then snow showers likely, mainly after 4am. Cloudy, with a temperature rising to around 24 by 5am. East wind 5 to 10 mph becoming north. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow showers, mainly before 1pm. High near 26. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 27. Northwest wind around 10 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 14. West wind around 5 mph.
Friday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 70%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 7. Chance of precipitation is 70%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 14.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 3.
Sunday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 17.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 5.
Monday
Snow showers likely. Mostly cloudy, with a high near 20.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 8.
Tuesday
Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MI
 46.35°N 86.93°W (Elev. 899 ft)
11:33 pm EST Dec 9, 2025
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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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