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

39°F

4°C

Humidity 87%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Oct 9:15 pm CDT
Extended Forecast for

Black River Falls WI

  • Tonight

    Tonight: Mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Calm wind becoming southwest around 5 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 66. Calm wind.
Monday Night
Partly cloudy, with a low around 36. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 45. Calm wind.
Thursday
Mostly sunny, with a high near 71. Calm wind.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Mostly sunny, with a high near 69. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 50. Southeast wind 5 to 7 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Black River Falls WI
 44.3°N 90.86°W
Last Update:
3:26 pm CDT Oct 18, 2026
Forecast Valid:
9pm CDT Oct 18, 2026-6pm CDT Oct 25, 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