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

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

25°F

-4°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 9 Jan 6:55 pm CST
Extended Forecast for

2 Miles SSW Merrillan WI

  • Tonight

    Tonight: A chance of flurries between 2am and 3am, then a chance of snow after 3am. Mostly cloudy, with a steady temperature around 27. Light southwest wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly between 11am and 5pm. Mostly cloudy, with a high near 28. West wind 5 to 13 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Southwest wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West wind 5 to 7 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 27. Southwest wind 5 to 7 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 39. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 39 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
A chance of flurries between 2am and 3am, then a chance of snow after 3am. Mostly cloudy, with a steady temperature around 27. Light southwest wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow, mainly between 11am and 5pm. Mostly cloudy, with a high near 28. West wind 5 to 13 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 15. Northwest wind around 11 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 26. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 18. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 37. West wind 5 to 7 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 27. Southwest wind 5 to 7 mph.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 39. West wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 25. North wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 10. North wind 3 to 6 mph.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 26. West wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. South wind around 6 mph.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 28. Southwest wind 6 to 8 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Merrillan WI
 44.42°N 90.85°W
Last Update:
6:41 pm CST Jan 9, 2026
Forecast Valid:
7pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation