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

Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Munising - Munising Lakeshore Observation (KP53)

Lat: 46.41°NLon: 86.65°WElev: 607ft.

4°F

-16°C

Humidity 57%
Wind Speed SW 10 G 20 mph
Barometer 30.08 in (1020.6 mb)
Dewpoint -8°F (-22°C)
Visibility NA
Wind Chill-11°F (-24°C)
Last update 20 Jan 11:56 am EST
Extended Forecast for

Chatham MI

  • This Afternoon

    This Afternoon: Isolated snow showers before 1pm, then isolated snow showers after 3pm. Mostly sunny and cold, with a high near 7. Wind chill values between -10 and -15. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 7 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 1. Wind chill values between -5 and -10. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 17. Wind chill values between -5 and 5. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 17 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 3. Wind chill values between -5 and -10. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny and cold, with a high near 9. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 9 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around -10. Chance of precipitation is 60%.

    Low: -10 °F

    Snow Showers
    Likely

  • Friday

    Friday: A 50 percent chance of snow showers. Partly sunny and cold, with a high near -1.

    High: -1 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around -10.

    Low: -10 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 1pm. Mostly sunny and cold, with a high near 4.

    High: 4 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Isolated snow showers before 1pm, then isolated snow showers after 3pm. Mostly sunny and cold, with a high near 7. Wind chill values between -10 and -15. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 1. Wind chill values between -5 and -10. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 17. Wind chill values between -5 and 5. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 3. Wind chill values between -5 and -10. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow showers. Partly sunny and cold, with a high near 9. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around -10. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow showers. Partly sunny and cold, with a high near -1.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around -10.
Saturday
A chance of snow showers before 1pm. Mostly sunny and cold, with a high near 4.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -10.
Sunday
A chance of snow showers. Partly sunny and cold, with a high near 9.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around -1.
Monday
A chance of snow showers. Mostly cloudy, with a high near 13.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MI
 46.35°N 86.93°W (Elev. 899 ft)
Last Update:
12:13 pm EST Jan 20, 2026
Forecast Valid:
12pm EST Jan 20, 2026-6pm EST Jan 26, 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