National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

89°F

32°C

Humidity 43%
Wind Speed NW 5 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 1 Sep 12:55 pm CDT
Extended Forecast for

Black River Falls WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. Calm wind becoming west around 5 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 9am. Cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 4am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 89. Light southeast wind.

    High: 89 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Calm wind becoming west around 5 mph.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of showers and thunderstorms before 9am. Cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind.
Wednesday Night
A 30 percent chance of showers after 4am. Partly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Light and variable wind.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89. Light southeast wind.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59. Calm wind.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 80. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Black River Falls WI
 44.27°N 90.83°W
Last Update:
11:41 am CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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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