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

58°F

14°C

Humidity 45%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Mar 3:15 pm CDT
Extended Forecast for

2 Miles SSW Merrillan WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southeast wind around 6 mph becoming west after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 52. Northwest wind 5 to 7 mph.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Calm wind becoming south 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph becoming northeast after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. Northeast wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. North wind 3 to 7 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. South wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Southeast wind around 6 mph becoming west after midnight.
Friday
Mostly cloudy, with a high near 52. Northwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 33. Calm wind.
Saturday
Mostly sunny, with a high near 64. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. South wind 6 to 8 mph becoming northeast after midnight.
Sunday
Mostly cloudy, with a high near 46. Northeast wind 8 to 10 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 21. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 46. Light and variable wind becoming northwest around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 30. South wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 51. South wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30. Light and variable wind becoming east around 6 mph after midnight.
Wednesday
Mostly cloudy, with a high near 49. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34. Southeast wind around 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 49. West wind 10 to 14 mph, with gusts as high as 24 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Merrillan WI
 44.42°N 90.85°W
Last Update:
2:44 pm CDT Mar 19, 2026
Forecast Valid:
3pm CDT Mar 19, 2026-6pm CDT Mar 26, 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