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

42°F

6°C

Humidity 44%
Wind Speed NE 10 mph
Barometer 30.17 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 13 Nov 12:35 pm CST
Extended Forecast for

Merrillan WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. North wind 3 to 7 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45. Calm wind.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 23. Calm wind.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. South wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. North wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 21. Calm wind.
Saturday
Sunny, with a high near 45. Calm wind.
Saturday Night
Mostly clear, with a low around 21. Calm wind.
Sunday
Sunny, with a high near 48. Calm wind.
Sunday Night
Clear, with a low around 23. Calm wind.
Monday
Sunny, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 29. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 56. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 35. South wind around 6 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 57. South wind 5 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 44. South wind around 7 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 58. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
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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:
12:26 pm CST Nov 13, 2026
Forecast Valid:
12pm CST Nov 13, 2026-6pm CST Nov 19, 2026
 
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Additional Resources

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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