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

56°F

13°C

Humidity 42%
Wind Speed E 6 mph
Barometer 30.33 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 May 10:55 am CDT
Extended Forecast for

5 Miles ESE Merrillan WI

  • Today

    Today: Mostly cloudy early, then becoming sunny, with a high near 63. East wind around 7 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. East wind 3 to 6 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 68. East wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers before 8pm, then a chance of showers after 1am. Mostly cloudy, with a low around 47. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 71. Light southeast wind.

    High: 71 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 1am. Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy early, then becoming sunny, with a high near 63. East wind around 7 mph.
Tonight
Increasing clouds, with a low around 41. East wind 3 to 6 mph.
Friday
Partly sunny, with a high near 68. East wind 5 to 11 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers before 8pm, then a chance of showers after 1am. Mostly cloudy, with a low around 47. East wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 71. Light southeast wind.
Saturday Night
A 10 percent chance of showers before 1am. Mostly cloudy, with a low around 47. Calm wind.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Memorial Day
Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
10:51 am CDT May 21, 2026
Forecast Valid:
11am CDT May 21, 2026-6pm CDT May 27, 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