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.

Overcast

43°F

6°C

Humidity 76%
Wind Speed E 8 G 20 mph
Barometer 29.58 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 17 Feb 8:15 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then a chance of rain. Steady temperature around 45. Breezy, with an east wind 15 to 21 mph becoming south after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 3pm. Mostly sunny, with a high near 50. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.

    High: 50 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and midnight. Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Partly sunny, with a high near 43. Northwest wind 5 to 9 mph becoming north in the afternoon.

    High: 43 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 32. Northwest wind 7 to 10 mph.

    High: 32 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and thunderstorms before 3am, then a chance of rain. Steady temperature around 45. Breezy, with an east wind 15 to 21 mph becoming south after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly after 3pm. Mostly sunny, with a high near 50. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.
Wednesday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and midnight. Partly cloudy, with a low around 29. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 43. Northwest wind 5 to 9 mph becoming north in the afternoon.
Thursday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. West wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 32. Northwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 14. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 26. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 7. North wind 5 to 8 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 27. North wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 13. Calm wind becoming southeast 5 to 8 mph in the evening.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 36. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
7:32 pm CST Feb 17, 2026
Forecast Valid:
8pm CST Feb 17, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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