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

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Mar 4:15 am CDT
Extended Forecast for

2 Miles SSW Merrillan WI

  • Today

    Today: Mostly sunny, with a high near 71. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming north after midnight.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 8am. Partly sunny, with a high near 45. North wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Calm wind becoming south around 6 mph in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. South wind 6 to 8 mph becoming west in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. East wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 50. Southeast wind around 7 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 71. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming north after midnight.
Sunday
A 20 percent chance of showers before 8am. Partly sunny, with a high near 45. North wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 47. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 34. Calm wind becoming south around 6 mph in the evening.
Tuesday
Mostly cloudy, with a high near 56. South wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. East wind around 6 mph.
Wednesday
A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 50. Southeast wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 37. Southeast wind around 7 mph becoming southwest after midnight.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 51. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 43. North wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Merrillan WI
 44.42°N 90.85°W
Last Update:
1:26 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation