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

20°F

-7°C

Humidity 63%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 1 Mar 6:35 pm CST
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly clear, with a low around 15. Calm wind becoming south around 5 mph after midnight.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 41. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 41 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. South wind 3 to 5 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. Light southeast wind.

    High: 46 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 47. Calm wind becoming east 5 to 7 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 51. Calm wind becoming east around 6 mph in the morning.

    High: 51 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Southeast wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Calm wind becoming south around 5 mph after midnight.
Monday
Increasing clouds, with a high near 41. South wind 5 to 10 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30. South wind 3 to 5 mph.
Tuesday
A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 28. Calm wind.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 47. Calm wind becoming east 5 to 7 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33. Calm wind.
Thursday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 51. Calm wind becoming east around 6 mph in the morning.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 37. Southeast wind around 6 mph.
Friday
Rain likely. Mostly cloudy, with a high near 57. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29. West wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 53. West wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 60. Southwest wind 8 to 14 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
5:21 pm CST Mar 1, 2026
Forecast Valid:
6pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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