Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

60°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.79 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 10:15 pm CDT
Extended Forecast for

Merrillan WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. South wind 3 to 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms, mainly between midnight and 1am.  Mostly clear, with a low around 57. Calm wind becoming west 5 to 7 mph after midnight.

    Low: 57 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind around 7 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Calm wind becoming north around 5 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers.  Partly sunny, with a high near 61. Calm wind becoming east around 5 mph.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 40. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. South wind 3 to 5 mph.
Columbus Day
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind 3 to 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms, mainly between midnight and 1am. Mostly clear, with a low around 57. Calm wind becoming west 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 47. Calm wind.
Wednesday
Mostly sunny, with a high near 65. Calm wind becoming north around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 41. Calm wind.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 61. Calm wind becoming east around 5 mph.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Friday
A slight chance of rain showers before 4pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 28. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 54. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 33. South wind 3 to 6 mph. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 61. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.82°W
6:16 pm CDT Oct 11, 2026
10pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database