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

24°F

-4°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 12 Jan 12:55 am CST
Extended Forecast for

5 Miles ESE Merrillan WI

  • Overnight

    Overnight: Mostly clear, with a low around 20. West wind around 7 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 39. Southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Southwest wind around 6 mph becoming calm.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 41. West wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 41 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 31 mph.

    Low: 19 °F

    Cloudy then
    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 25. North wind 10 to 15 mph, with gusts as high as 33 mph.

    High: 25 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming south around 5 mph.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 18. Light south wind. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 20. West wind around 7 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 39. Southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 27. Southwest wind around 6 mph becoming calm.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41. West wind 8 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 19. West wind 9 to 14 mph, with gusts as high as 31 mph.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 25. North wind 10 to 15 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 7. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming south around 5 mph.
Thursday Night
Snow likely. Mostly cloudy, with a low around 18. Light south wind. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 29. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8. Northwest wind around 6 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 17. Northwest wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 3. West wind around 6 mph.
Sunday
Partly sunny, with a high near 19. West wind around 7 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
11:36 pm CST Jan 11, 2026
Forecast Valid:
1am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation