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

Ionia County Airport (KY70)

Lat: 42.94°NLon: 85.06°WElev: 818ft.

Light Snow Fog/Mist

14°F

-10°C

Humidity 85%
Wind Speed S 12 mph
Barometer 29.81 in
Dewpoint 10°F (-12°C)
Visibility 4.00 mi
Wind Chill0°F (-18°C)
Last update 18 Jan 9:55 pm EST
Extended Forecast for

Portland MI

Winter Weather Advisory January 18, 10:06pm until January 20, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 10:06pm until January 20, 07:00am

    NOW until 7:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 16 °F

    Snow Showers
    Likely

  • M.L.King Day

    M.L.King Day: Snow showers likely, mainly after 4pm.  Patchy blowing snow after 10am. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -7. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 16 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow showers likely, mainly before 1am.  Mostly cloudy, with a low around 7. Wind chill values as low as -9. West wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 1pm.  Mostly cloudy, with a high near 15. Wind chill values as low as -8. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 15 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers after 1am.  Mostly cloudy, with a low around 9. South wind 7 to 9 mph.

    Low: 9 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly before 1pm.  High near 29. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    High: 29 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow showers.  Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Snow showers likely. Cloudy, with a steady temperature around 16. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around 2 inches.
M.L.King Day
Snow showers likely, mainly after 4pm. Patchy blowing snow after 10am. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -7. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 7. Wind chill values as low as -9. West wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 15. Wind chill values as low as -8. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of snow showers after 1am. Mostly cloudy, with a low around 9. South wind 7 to 9 mph.
Wednesday
Snow showers, mainly before 1pm. High near 29. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Wednesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 14.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 17.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 6.
Friday
A chance of snow showers. Mostly cloudy, with a high near 17.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 0.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around -3.
Sunday
A chance of snow showers. Partly sunny and cold, with a high near 10.
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ABOUT THIS FORECAST

 
Point Forecast:
Portland MI
 42.86°N 84.91°W (Elev. 748 ft)
10:03 pm EST Jan 18, 2026
10pm EST Jan 18, 2026-6pm EST Jan 25, 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