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.

Partly Cloudy

60°F

16°C

Humidity 38%
Wind Speed N 5 mph
Barometer 30.28 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 May 2:15 pm CDT
Extended Forecast for

5 Miles ESE Merrillan WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. Light north wind.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 64. East wind 5 to 7 mph.

    High: 64 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. East wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 65. East wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 65 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 44. East wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. Light north wind.
Tonight
Mostly cloudy, with a low around 39. Light and variable wind.
Thursday
Mostly cloudy, with a high near 64. East wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 40. East wind 3 to 5 mph.
Friday
Mostly cloudy, with a high near 65. East wind 5 to 9 mph, with gusts as high as 22 mph.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 44. East wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 50. Calm wind.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming southeast around 5 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:
1:56 pm CDT May 20, 2026
Forecast Valid:
2pm CDT May 20, 2026-6pm CDT May 26, 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