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

57°F

14°C

Humidity 43%
Wind Speed N 5 mph
Barometer 29.71 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 7:35 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. East wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then snow showers likely after 4am. Mostly cloudy, with a low around 30. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Showers then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 29. Breezy, with a south wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%.

    Low: 29 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 23. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. Northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 49. East wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then snow showers likely after 4am. Mostly cloudy, with a low around 30. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 9 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a low around 21. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
A chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 29. Breezy, with a south wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Friday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 23. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 39. East wind 6 to 9 mph.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 25. East wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a high near 34. Breezy, with a north wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 7. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, with a high near 26. Northwest wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
Last Update:
6:21 pm CDT Mar 9, 2026
Forecast Valid:
7pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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