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 87%
Wind Speed SW 3 mph
Barometer 30.16 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Jan 9:15 pm CST
Extended Forecast for

2 Miles SSW Merrillan WI

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 23. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West 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. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 41. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 41 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 19. Blustery, with a northwest wind 14 to 17 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Cloudy then
    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 24. Blustery, with a north wind 14 to 18 mph, with gusts as high as 34 mph.

    High: 24 °F

    Blustery.
    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 24. Calm wind becoming south around 6 mph in the morning.

    High: 24 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 18. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 23. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 39. West wind 5 to 8 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 27. Calm wind becoming southwest 5 to 7 mph after midnight.
Tuesday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 41. West wind 10 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of snow after midnight. Cloudy, with a low around 19. Blustery, with a northwest wind 14 to 17 mph, with gusts as high as 32 mph.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 24. Blustery, with a north wind 14 to 18 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 7. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 24. Calm wind becoming south around 6 mph in the morning.
Thursday Night
Snow likely. Mostly cloudy, with a low around 18. South wind around 6 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 28. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8. Northwest wind around 8 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 17. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 3. West wind around 9 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 19. West wind 8 to 10 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Merrillan WI
 44.42°N 90.85°W
Last Update:
8:37 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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