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.

Mostly Cloudy

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 21 Mar 7:55 am CDT
Extended Forecast for

6 Miles ESE Merrillan WI

  • Today

    Today: Partly sunny, with a high near 75. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 1am and 5am. Increasing clouds, with a low around 36. West wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 46. North wind around 7 mph, with gusts as high as 18 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

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

    Low: 23 °F

    Mostly Clear

  • 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 34. Calm wind becoming south around 5 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Light east wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 50. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 75. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Tonight
A 30 percent chance of showers, mainly between 1am and 5am. Increasing clouds, with a low around 36. West wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
A 20 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 46. North wind around 7 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, 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 34. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 56. Light and variable wind becoming southwest around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 31. Light east wind.
Wednesday
A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 50. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 37. Southeast wind around 6 mph becoming southwest after midnight.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 52. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 43. North wind 5 to 7 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:
7:26 am CDT Mar 21, 2026
Forecast Valid:
8am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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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