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.

Fog/Mist

26°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 26°F (-3°C)
Visibility 0.75 mi
Last update 7 Jan 7:55 pm CST
Extended Forecast for

6 Miles ESE Merrillan WI

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, increasing clouds, with a steady temperature around 32. Light southeast wind.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Increasing clouds, with a high near 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow before 3am, then a chance of rain between 3am and 5am, then a chance of snow after 5am. Low around 31. Calm wind becoming north 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    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%. New snow accumulation of 1 to 2 inches possible.

    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

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Light southwest wind.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a steady temperature around 32. Light southeast wind.
Thursday
Rain likely, mainly after 5pm. Increasing clouds, with a high near 41. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, possibly mixed with snow before 3am, then a chance of rain between 3am and 5am, then a chance of snow after 5am. Low around 31. Calm wind becoming north 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
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%. New snow accumulation of 1 to 2 inches possible.
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%.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23. Light and variable wind becoming northwest around 5 mph after midnight.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind around 6 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
8:07 pm CST Jan 7, 2026
Forecast Valid:
8pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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