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

68°F

20°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.02 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 22 Aug 7:55 pm CDT
Extended Forecast for

Black River Falls WI

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, clear, with a low around 44. Northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 61. South wind 3 to 6 mph.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light west wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, clear, with a low around 44. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 80. Calm wind.
Monday Night
Partly cloudy, with a low around 53. Calm wind.
Tuesday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 61. South wind 3 to 6 mph.
Wednesday
Sunny, with a high near 84. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 84. Light and variable wind.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Calm wind.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning.
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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:
5:46 pm CDT Aug 22, 2026
Forecast Valid:
8pm CDT Aug 22, 2026-6pm CDT Aug 29, 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