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.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed SE 7 mph
Barometer 29.62 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 10 Jun 10:55 am CDT
Extended Forecast for

Merrillan WI

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 60. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 76. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 7 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79. West wind 7 to 14 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 50. Northwest wind 3 to 6 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 71. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 60. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 76. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 7 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Sunny, with a high near 79. West wind 7 to 14 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 50. Northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 71. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.82°W
Last Update:
9:47 am CDT Jun 10, 2026
Forecast Valid:
11am CDT Jun 10, 2026-6pm CDT Jun 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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