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

18°F

-8°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.04 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 12 Jan 4:15 am CST
Extended Forecast for

Blair WI

  • Today

    Today: Mostly sunny, with a high near 40. Southwest wind 3 to 7 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 30. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 42. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 24. Blustery, with a north wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 24 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming south 5 to 8 mph in the morning.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 20. South wind around 7 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow. High near 29. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 29 °F

    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 40. Southwest wind 3 to 7 mph.
Tonight
A 50 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 30. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 42. West wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 24. Blustery, with a north wind 11 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 6. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Snow. Low around 20. South wind around 7 mph becoming west after midnight. Chance of precipitation is 80%.
Friday
Snow. High near 29. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 6. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 12. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around -2. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 15. West wind around 11 mph, with gusts as high as 20 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:
3:47 am CST Jan 12, 2026
Forecast Valid:
4am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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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