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.

Fair

65°F

18°C

Humidity 50%
Wind Speed SE 7 mph
Barometer 29.80 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Apr 11:35 pm CDT
Extended Forecast for

6 Miles ESE Merrillan WI

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southeast wind around 7 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. South wind 6 to 13 mph, with gusts as high as 26 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 52. South wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 52 °F

    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 65. West wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Northwest wind 3 to 6 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. North wind 3 to 6 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 46. East wind 6 to 10 mph, with gusts as high as 26 mph.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southeast wind around 7 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 79. South wind 6 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 52. South wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 65. West wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 39. Northwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 64. North wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46. East wind 6 to 10 mph, with gusts as high as 26 mph.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 63. East wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. Mostly cloudy, with a low around 42. Northeast wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 59. West wind 9 to 11 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 57. Calm wind becoming northwest 5 to 7 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
10:47 pm CDT Apr 22, 2026
Forecast Valid:
11pm CDT Apr 22, 2026-6pm CDT Apr 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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