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

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Light Snow

9°F

-13°C

Humidity 77%
Wind Speed NW 10 G 16 mph
Barometer 29.88 in
Dewpoint 4°F (-16°C)
Visibility 4.00 mi
Wind Chill-5°F (-21°C)
Last update 18 Jan 10:55 pm CST
Extended Forecast for

6 Miles ESE Merrillan WI

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around -8. Wind chill values as low as -27. Blustery, with a northwest wind 11 to 17 mph, with gusts as high as 32 mph.

    Low: -8 °F

    Slight Chance
    Snow and
    Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 2. Wind chill values as low as -29. Blustery, with a west wind 9 to 16 mph, with gusts as high as 30 mph.

    High: 2 °F

    Partly Sunny
    and Blustery
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -9. West wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: -9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Wind chill values as low as -12. Calm wind becoming west around 5 mph.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 3. Calm wind.  New snow accumulation of less than one inch possible.

    Low: 3 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 19. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.  New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1. West wind around 6 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 11. West wind 5 to 7 mph.

    High: 11 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -6. Light west wind.

    Low: -6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -8. Wind chill values as low as -27. Blustery, with a northwest wind 11 to 17 mph, with gusts as high as 32 mph.
M.L.King Day
Partly sunny and cold, with a high near 2. Wind chill values as low as -29. Blustery, with a west wind 9 to 16 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -9. West wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 12. Wind chill values as low as -12. Calm wind becoming west around 5 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 3. Calm wind. New snow accumulation of less than one inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 19. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around -1. West wind around 6 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 11. West wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around -6. Light west wind.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 6. Northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around -15. Light northwest wind.
Saturday
Mostly sunny and cold, with a high near 1. Calm wind becoming northwest around 5 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -16. Light northwest wind.
Sunday
A 20 percent chance of snow. Partly sunny and cold, with a high near 5. West wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Merrillan WI
 44.42°N 90.73°W
11:09 pm CST Jan 18, 2026
11pm CST Jan 18, 2026-6pm CST 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