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

46°F

8°C

Humidity 56%
Wind Speed NE 7 mph
Barometer 29.76 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Mar 12:15 am CDT
Extended Forecast for

Merrillan WI

  • Overnight

    Overnight: Mostly clear, with a low around 34. Northeast wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 48. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers before 2am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. East wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. North wind 6 to 11 mph, with gusts as high as 23 mph. New snow accumulation of around an inch possible.

    High: 40 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 46. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow, becoming all snow after 4am. Low around 27. South wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 41. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Partly cloudy, with a low around 21. Northwest wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Northeast wind 5 to 7 mph.
Tuesday
A slight chance of showers between 1pm and 2pm. Mostly cloudy, with a high near 48. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain showers before 2am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 29. East wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow showers, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. North wind 6 to 11 mph, with gusts as high as 23 mph. New snow accumulation of around an inch possible.
Wednesday Night
Mostly clear, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 46. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
Rain, possibly mixed with snow, becoming all snow after 4am. Low around 27. South wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 41. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.
Friday Night
A 20 percent chance of snow after 1am. Partly cloudy, with a low around 21. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 40. Southeast wind 3 to 7 mph.
Saturday Night
Snow likely, possibly mixed with rain. Cloudy, with a low around 24. East wind 7 to 10 mph becoming northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Sunday
Snow likely. Cloudy, with a high near 32. North wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 9. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 24. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Merrillan WI
 44.45°N 90.85°W
Last Update:
10:36 pm CDT Mar 9, 2026
Forecast Valid:
12am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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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