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

Winter Storm to Impact the Region Sunday Afternoon - Monday Morning

A strong winter storm moves through the region Sunday afternoon through Monday morning. The combination of moderate to heavy snow, strong northwest winds, and falling temperatures may lead to hazardous travel conditions for much of the area. The greatest impacts in Wisconsin are expected to be along and north of I-90, while blizzard conditions are possible west of the Mississippi River. Read More >

Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fog/Mist

33°F

1°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.91 in
Dewpoint 33°F (1°C)
Visibility 3.00 mi
Last update 27 Dec 5:55 am CST
Extended Forecast for

Merrillan WI

Winter Storm Watch December 28, 03:00pm until December 29, 12:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: A slight chance of drizzle between 11am and 5pm, then a slight chance of rain after 5pm. Areas of fog before 5pm. Otherwise, cloudy, with a high near 41. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain and
    Areas Fog

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 1am. Cloudy, with a steady temperature around 37. Southeast wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. Temperature rising to near 37 by 9am, then falling to around 30 during the remainder of the day. Light and variable wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F⇓

    Rain Likely
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. Patchy blowing snow after 11pm. Low around 11. Wind chill values as low as -5. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 11 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow before noon. Patchy blowing snow before 11am. Partly sunny, with a high near 18. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. Northwest wind 5 to 11 mph, with gusts as high as 25 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 25. West wind 5 to 7 mph.

    High: 25 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 19. Northwest wind around 9 mph, with gusts as high as 21 mph.

    High: 19 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of drizzle between 11am and 5pm, then a slight chance of rain after 5pm. Areas of fog before 5pm. Otherwise, cloudy, with a high near 41. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of rain, mainly before 1am. Cloudy, with a steady temperature around 37. Southeast wind around 6 mph becoming calm in the evening.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. Temperature rising to near 37 by 9am, then falling to around 30 during the remainder of the day. Light and variable wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow. Patchy blowing snow after 11pm. Low around 11. Wind chill values as low as -5. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday
A 50 percent chance of snow before noon. Patchy blowing snow before 11am. Partly sunny, with a high near 18. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 1. Northwest wind 5 to 11 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 25. West wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 10. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 19. Northwest wind around 9 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -4. Northwest wind around 7 mph, with gusts as high as 18 mph.
New Year's Day
Sunny, with a high near 7. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around -8. West wind 3 to 6 mph.
Friday
Sunny, with a high near 13. West wind 3 to 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.82°W
Last Update:
5:41 am CST Dec 27, 2025
Forecast Valid:
6am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation