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

28°F

-2°C

Humidity 75%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 22 Mar 10:55 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly clear, with a low around 23. Light northwest wind.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Light and variable wind becoming north around 5 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 3am and 4am. Increasing clouds, with a low around 33. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Southwest wind 6 to 8 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. Southwest wind around 7 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. Southeast wind 6 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph.

    High: 59 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. North wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Light northwest wind.
Monday
Sunny, with a high near 47. Light and variable wind becoming north around 5 mph.
Monday Night
A slight chance of showers between 3am and 4am. Increasing clouds, with a low around 33. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 55. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 63. Southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind around 6 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 59. Southeast wind 6 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 24. North wind 8 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 41. Northwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 50. West wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 58. Southwest wind 6 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:
10:56 pm CDT Mar 22, 2026
Forecast Valid:
11pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
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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