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

63°F

17°C

Humidity 32%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 7:15 pm CDT
Extended Forecast for

5 Miles ESE Merrillan WI

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 41. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 56. East wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Light and variable wind becoming northeast 5 to 7 mph in the morning.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. East wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: Rain and snow showers likely. Mostly cloudy, with a high near 40. East wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 1am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. East wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 41. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 56. East wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 26. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 48. Light and variable wind becoming northeast 5 to 7 mph in the morning.
Wednesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. East wind 7 to 9 mph, with gusts as high as 23 mph.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 40. East wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 1am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. East wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 49. East wind 5 to 8 mph, with gusts as high as 18 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 33. East wind around 8 mph, with gusts as high as 21 mph.
Saturday
Showers likely. Mostly cloudy, with a high near 51. Southeast wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 49. Northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
5:21 pm CDT Mar 29, 2026
Forecast Valid:
7pm CDT Mar 29, 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