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

56°F

13°C

Humidity 42%
Wind Speed S 3 mph
Barometer 30.02 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 4 Mar 4:35 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 50. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after noon. High near 59. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 34. South wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Showers

  • Saturday

    Saturday: A slight chance of rain and snow showers before noon. Mostly sunny, with a high near 47. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Southwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 31. Calm wind.
Thursday
Partly sunny, with a high near 50. Calm wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.
Friday
Showers, with thunderstorms also possible after noon. High near 59. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 34. South wind 6 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain and snow showers before noon. Mostly sunny, with a high near 47. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 40. Southwest wind around 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 66. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. West wind around 9 mph becoming northeast after midnight.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 53. East wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 33. North wind 11 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
2:57 pm CST Mar 4, 2026
Forecast Valid:
4pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation