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.

66°F

19°C

Humidity 88%
Wind Speed NE 6 mph
Barometer 29.98 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 7:55 am CDT
Extended Forecast for

5 Miles ESE Merrillan WI

  • Today

    Today: Sunny, with a high near 82. Northeast wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light west wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Northeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 56. Calm wind.
Monday
Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 61. South wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light west wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 80. Calm wind.
Wednesday Night
Partly cloudy, with a low around 51. Calm wind.
Thursday
Mostly sunny, with a high near 83. Light and variable wind.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
5:56 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 8, 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