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

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 7:35 pm CDT
Extended Forecast for

Black River Falls WI

  • Tonight

    Tonight: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Calm wind becoming north around 5 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 59. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 34. Breezy, with a northwest wind 7 to 16 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with a north wind 16 to 20 mph, with gusts as high as 34 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 61. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 61 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 41. Calm wind.
Wednesday
Partly sunny, with a high near 64. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Showers, mainly after 1pm. High near 59. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 34. Breezy, with a northwest wind 7 to 16 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 55. Breezy, with a north wind 16 to 20 mph, with gusts as high as 34 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 61. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Clear, with a low around 34. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 66. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 39. Southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 67. Calm wind.
Monday Night
Partly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 7 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 90.83°W
Last Update:
7:36 pm CDT Oct 13, 2026
Forecast Valid:
7pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation