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

19°F

-7°C

Humidity 66%
Wind Speed NW 6 mph
Barometer 30.24 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 21 Feb 8:35 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: A chance of flurries. Mostly cloudy, with a low around 11. Wind chill values as low as -4. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before 4pm. Mostly cloudy, with a high near 20. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 20 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5. Wind chill values as low as -6. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. Wind chill values as low as -6. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Partly sunny, with a high near 36. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind around 7 mph.

    Low: 17 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 30. Northwest wind 7 to 9 mph.

    High: 30 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Partly cloudy, with a low around 10. Northwest wind around 6 mph.

    Low: 10 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of flurries. Mostly cloudy, with a low around 11. Wind chill values as low as -4. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of flurries before 4pm. Mostly cloudy, with a high near 20. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 5. Wind chill values as low as -6. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 24. Wind chill values as low as -6. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 12. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 36. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind around 7 mph.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 30. Northwest wind 7 to 9 mph.
Wednesday Night
A 30 percent chance of snow. Partly cloudy, with a low around 10. Northwest wind around 6 mph.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 34. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 20. Southwest wind around 6 mph.
Friday
Sunny, with a high near 47. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 34. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
7:31 pm CST Feb 21, 2026
Forecast Valid:
8pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation