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

25°F

-4°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Jan 7:55 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 1am and 4am. Mostly cloudy, with a temperature falling to near 29 by 10pm, then rising to around 36 during the remainder of the night. South wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 29 °F⇑

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 7am. Partly sunny, with a high near 42. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.

    High: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 32 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. Blustery, with a north wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 21 °F

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 5. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 5 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow after noon. Partly sunny, with a high near 27. Calm wind becoming south 5 to 8 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 20. South wind around 8 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow. High near 30. Northwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly between 1am and 4am. Mostly cloudy, with a temperature falling to near 29 by 10pm, then rising to around 36 during the remainder of the night. South wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of rain before 7am. Partly sunny, with a high near 42. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 32 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values as low as zero. Blustery, with a north wind 14 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 5. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 27. Calm wind becoming south 5 to 8 mph in the morning. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 20. South wind around 8 mph becoming west after midnight. Chance of precipitation is 80%.
Friday
Snow. High near 30. Northwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 10. Northwest wind 11 to 13 mph.
Saturday Night
Mostly cloudy, with a low around -3. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 11. West wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around -1. West wind around 9 mph, with gusts as high as 18 mph.
M.L.King Day
Partly sunny, with a high near 15. Northwest wind 8 to 10 mph, with gusts as high as 18 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:
5:06 pm CST Jan 12, 2026
Forecast Valid:
8pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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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