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

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 6 Nov 7:55 pm CST
Extended Forecast for

Merrillan WI

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. West wind 3 to 5 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. West wind 3 to 7 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Light north wind.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Light and variable wind.
Saturday
Mostly sunny, with a high near 52. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 34. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 55. West wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm.
Monday
Mostly sunny, with a high near 61. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 35. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 56. West wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Light north wind.
Veterans Day
Mostly sunny, with a high near 51. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming north around 6 mph.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
Mostly sunny, with a high near 52. Light northwest wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.85°W
Last Update:
5:21 pm CST Nov 6, 2026
Forecast Valid:
8pm CST Nov 6, 2026-6pm CST Nov 13, 2026
 
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Additional Resources

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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