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

65°F

18°C

Humidity 85%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 23 May 4:55 pm CDT
Extended Forecast for

Millston WI

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 72. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Scattered
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 55. Light southwest wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming east around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 72. Light southwest wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 48. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 55. Light southwest wind. Chance of precipitation is 30%.
Memorial Day
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 58. Light south wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. Light east wind.
Thursday
Mostly sunny, with a high near 84. East wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 81. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. Light east wind.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming east around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Millston WI
 44.23°N 90.65°W
Last Update:
2:16 pm CDT May 23, 2026
Forecast Valid:
5pm CDT May 23, 2026-6pm CDT May 30, 2026
 
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Additional Resources

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Chance of Precipitation