Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Marquette, Sawyer International Airport (KSAW)

Lat: 46.35°NLon: 87.4°WElev: 1220ft.

Fair

-8°F

-22°C

Humidity 70%
Wind Speed W 9 mph
Barometer 29.99 in
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 20 Jan 1:18 am EST
Extended Forecast for

Big Bay MI

Cold Weather Advisory January 20, 01:35am until January 20, 11:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 20, 01:35am until January 20, 11:00am

    NOW until 11:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 0 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers before 2pm, then a slight chance of snow showers after 4pm.  Cloudy, then gradually becoming mostly sunny and cold, with a high near 9. Wind chill values between -10 and -15. West wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 9 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers before 1am.  Mostly cloudy, with a low around 6. Wind chill values between -5 and -10. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly after 1pm.  Mostly cloudy, with a high near 18. Wind chill values between zero and 10. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    High: 18 °F

    Slight Chance
    Snow Showers
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am.  Mostly cloudy, with a low around 5. West wind around 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    Low: 5 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of snow showers.  Mostly cloudy and cold, with a high near 9.

    High: 9 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around -8.

    Low: -8 °F

    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers.  Mostly cloudy and cold, with a high near 0.

    High: 0 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow showers likely, mainly before 4am. Cloudy, with a low around 0. Wind chill values between -10 and -15. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Tuesday
A chance of snow showers before 2pm, then a slight chance of snow showers after 4pm. Cloudy, then gradually becoming mostly sunny and cold, with a high near 9. Wind chill values between -10 and -15. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of snow showers before 1am. Mostly cloudy, with a low around 6. Wind chill values between -5 and -10. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
A 50 percent chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 18. Wind chill values between zero and 10. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 5. West wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of snow showers. Mostly cloudy and cold, with a high near 9.
Thursday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around -8.
Friday
A chance of snow showers. Mostly cloudy and cold, with a high near 0.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around -8.
Saturday
A chance of snow showers before 1pm. Partly sunny and cold, with a high near 4.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -6.
Sunday
A chance of snow showers. Partly sunny and cold, with a high near 10.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 0.
Monday
A chance of snow showers. Partly sunny, with a high near 14.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Bay MI
 46.8°N 87.73°W (Elev. 676 ft)
1:07 am EST Jan 20, 2026
1am EST Jan 20, 2026-6pm EST Jan 26, 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