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

34°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 30 Mar 3:55 am CDT
Extended Forecast for

6 Miles ESE Merrillan WI

  • Today

    Today: Sunny, with a high near 74. Calm wind becoming east around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 40. East wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 55. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. North wind 3 to 8 mph. Winds could gust as high as 22 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 44. East wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers likely before 1am, then snow showers and freezing rain. Low around 27. East wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Wintry Mix

  • Thursday

    Thursday: Rain showers, snow showers, and freezing rain before 1pm, then rain, possibly mixed with snow showers. High near 39. East wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 39 °F

    Wintry Mix

  • Thursday Night

    Thursday Night: Rain or freezing rain likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Northeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 28 °F

    Wintry Mix
    Likely

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 47. Light and variable wind becoming northeast 5 to 7 mph in the morning.

    High: 47 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 74. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 40. East wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 55. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 26. North wind 3 to 8 mph. Winds could gust as high as 22 mph.
Wednesday
A 20 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 44. East wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday Night
Snow showers likely before 1am, then snow showers and freezing rain. Low around 27. East wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 3 to 5 inches possible.
Thursday
Rain showers, snow showers, and freezing rain before 1pm, then rain, possibly mixed with snow showers. High near 39. East wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Thursday Night
Rain or freezing rain likely before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Northeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 47. Light and variable wind becoming northeast 5 to 7 mph in the morning.
Friday Night
Rain and snow showers likely. Mostly cloudy, with a low around 31. East wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Rain and snow showers likely. Mostly cloudy, with a high near 46. East wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 45. Northwest wind around 10 mph, with gusts as high as 24 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
1:26 am CDT Mar 30, 2026
Forecast Valid:
4am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation