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.

Partly Cloudy

53°F

12°C

Humidity 46%
Wind Speed Calm
Barometer 29.57 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 8 May 8:55 pm CDT
Extended Forecast for

3 Miles S Black River Falls WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming west around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 63. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 60. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 64. Calm wind.

    High: 64 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 39. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Southeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind becoming west around 5 mph.
Saturday
A 30 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 63. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 60. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 64. Calm wind.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 39. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Southeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 38. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 69. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
A chance of sprinkles. Partly cloudy, with a low around 40. Calm wind.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Black River Falls WI
 44.25°N 90.86°W
Last Update:
6:36 pm CDT May 8, 2026
Forecast Valid:
9pm CDT May 8, 2026-6pm CDT May 15, 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