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.

Fog/Mist

27°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 27°F (-3°C)
Visibility 4.00 mi
Last update 7 Jan 7:15 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 33. South wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain, mainly after 5pm. High near 39. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Mostly Cloudy
    then Rain

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow before 3am, then rain likely between 3am and 5am, then snow likely after 5am. Low around 31. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 36. Northwest wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 18 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Light northwest wind.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy, with a high near 29. Northwest wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 15 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Southwest wind around 6 mph.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 33. South wind 3 to 5 mph.
Thursday
Rain, mainly after 5pm. High near 39. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, possibly mixed with snow before 3am, then rain likely between 3am and 5am, then snow likely after 5am. Low around 31. Northeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 36. Northwest wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Light northwest wind.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 29. Northwest wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 14. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 36. Southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 26. West wind around 7 mph.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 35. West wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. West wind around 7 mph becoming northwest after midnight. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 7 to 10 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:
5:16 pm CST Jan 7, 2026
Forecast Valid:
7pm CST Jan 7, 2026-6pm CST Jan 14, 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