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

55°F

13°C

Humidity 58%
Wind Speed W 3 mph
Barometer 29.90 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 4:35 pm CDT
Extended Forecast for

5 Miles ESE Merrillan WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Calm wind becoming north around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. North wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. North wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming light and variable after midnight.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Calm wind.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 45. North wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 23. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 48. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 33. Light south wind.
Tuesday
Partly sunny, with a high near 55. Light and variable wind becoming southwest around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming light and variable after midnight.
Wednesday
Mostly cloudy, with a high near 48. East wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 35. Southeast wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 54. West wind 6 to 10 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 20. Northwest wind 7 to 9 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 41. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
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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:
3:52 pm CDT Mar 20, 2026
Forecast Valid:
4pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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