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

16°F

-9°C

Humidity 67%
Wind Speed NW 7 mph
Barometer 30.30 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 22 Feb 1:15 am CST
Extended Forecast for

2 Miles SSW Merrillan WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 10. Wind chill values as low as -4. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of flurries between 8am and 3pm. Mostly cloudy, with a high near 19. Wind chill values as low as -6. Blustery, with a north wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 19 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Wind chill values as low as -3. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 4 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. Wind chill values as low as -6. North wind around 6 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely. Partly sunny, with a high near 35. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Northwest wind 5 to 8 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 9. Light and variable wind.

    Low: 9 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 10. Wind chill values as low as -4. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday
A chance of flurries between 8am and 3pm. Mostly cloudy, with a high near 19. Wind chill values as low as -6. Blustery, with a north wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 4. Wind chill values as low as -3. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 24. Wind chill values as low as -6. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 11. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Snow likely. Partly sunny, with a high near 35. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 28. Northwest wind 5 to 8 mph.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 9. Light and variable wind.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 34. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 18. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 47. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 20. Southwest wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 32. Northwest wind 9 to 11 mph, with gusts as high as 22 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:
1:11 am CST Feb 22, 2026
Forecast Valid:
1am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation