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

39°F

4°C

Humidity 62%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 9 Feb 4:15 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow. Partly sunny, with a high near 40. Calm wind becoming south around 6 mph.

    High: 40 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. Calm wind becoming south around 6 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 35. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 19. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 34. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 18. Calm wind.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 40. Calm wind becoming south around 6 mph.
Thursday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Calm wind.
Friday
Sunny, with a high near 43. Calm wind becoming south around 6 mph.
Friday Night
Mostly clear, with a low around 24. Calm wind.
Saturday
Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. Light southeast wind.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 27. South wind 3 to 5 mph.
Washington's Birthday
Partly sunny, with a high near 44. South wind 5 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:
3:17 pm CST Feb 9, 2026
Forecast Valid:
4pm CST Feb 9, 2026-6pm CST Feb 16, 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