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.

Overcast

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 Mar 5:35 am CDT
Extended Forecast for

6 Miles ESE Merrillan WI

  • Today

    Today: Patchy fog before 11am. Otherwise, partly sunny, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.

    High: 49 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Light and variable wind becoming south around 5 mph.

    Low: 35 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 54. Northwest wind 3 to 6 mph.

    High: 54 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 35. South wind around 6 mph becoming northeast after midnight.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 44. North wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. North wind around 6 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Calm wind becoming northwest around 5 mph.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Light and variable wind becoming south around 5 mph.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 54. Northwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Saturday
Mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 35. South wind around 6 mph becoming northeast after midnight.
Sunday
A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 44. North wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 21. North wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 45. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 29. South wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 51. Light and variable wind becoming southwest around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 29. Light and variable wind.
Wednesday
Mostly cloudy, with a high near 53. Southeast wind 5 to 8 mph, with gusts as high as 18 mph.
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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:
5:32 am CDT Mar 19, 2026
Forecast Valid:
5am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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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