Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Mostly Cloudy

55°F

13°C

Humidity 58%
Wind Speed NW 7 mph
Barometer 29.91 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 13 May 12:35 am CDT
Extended Forecast for

Merrillan WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Areas of frost after 4am.  Otherwise, clear, with a low around 37. North wind around 6 mph becoming calm  in the evening.

    Low: 37 °F

    Clear then
    Areas Frost

  • Thursday

    Thursday: Increasing clouds, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am.  Mostly cloudy, with a low around 50. South wind around 8 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 85. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.

    High: 84 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Areas of frost after 4am. Otherwise, clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 50. South wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 85. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. East wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 75. West wind 8 to 11 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.85°W
12:21 am CDT May 13, 2026
12am CDT May 13, 2026-6pm CDT May 19, 2026
 
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