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

39°F

4°C

Humidity 78%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 7 Jan 12:55 pm CST
Extended Forecast for

6 Miles ESE Merrillan WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. Southeast wind 3 to 5 mph.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 27. Light south wind.

    Low: 27 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 40. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Patchy Fog
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain before midnight, then rain, possibly mixed with snow between midnight and 3am, then snow after 3am. Low around 31. Calm wind becoming north around 6 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and noon. Mostly cloudy, with a high near 37. Northwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 29. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    High: 29 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind around 8 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 26. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.

    High: 26 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Southeast wind 3 to 5 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 27. Light south wind.
Thursday
Rain likely, mainly after 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 40. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain before midnight, then rain, possibly mixed with snow between midnight and 3am, then snow after 3am. Low around 31. Calm wind becoming north around 6 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and noon. Mostly cloudy, with a high near 37. Northwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind.
Saturday
Snow likely. Mostly cloudy, with a high near 29. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. Northwest wind around 8 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 26. Northwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 14. Light southwest wind.
Monday
Partly sunny, with a high near 36. Southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 25. West wind 3 to 5 mph.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 36. West wind 3 to 6 mph. Chance of precipitation is 20%.
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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:
12:57 pm CST Jan 7, 2026
Forecast Valid:
1pm CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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Additional Resources

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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