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

78°F

26°C

Humidity 53%
Wind Speed S 8 mph
Barometer 30.15 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Sep 12:55 pm CDT
Extended Forecast for

Black River Falls WI

  • Labor Day

    Labor Day: Partly sunny, with a high near 82. South wind around 8 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. High near 80. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am. Increasing clouds, with a low around 63. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 82 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Labor Day
Partly sunny, with a high near 82. South wind around 8 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. High near 80. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am. Increasing clouds, with a low around 63. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 80. Light west wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 49. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 50. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 79. Northwest wind 5 to 8 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Black River Falls WI
 44.3°N 90.86°W
Last Update:
1:06 pm CDT Sep 7, 2026
Forecast Valid:
1pm CDT Sep 7, 2026-6pm CDT Sep 13, 2026
 
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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