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

53°F

12°C

Humidity 47%
Wind Speed W 6 mph
Barometer 30.10 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 3 Mar 1:55 pm CST
Extended Forecast for

Blair WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. Light south wind.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Calm wind becoming south around 6 mph.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 34. Calm wind.

    Low: 34 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 51. Calm wind becoming east 5 to 7 mph in the morning.

    High: 51 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Southeast wind 5 to 7 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers. High near 57. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 49. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. Light south wind.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind.
Wednesday
Mostly sunny, with a high near 56. Calm wind becoming south around 6 mph.
Wednesday Night
Increasing clouds, with a low around 34. Calm wind.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 51. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Southeast wind 5 to 7 mph.
Friday
Showers. High near 57. Southeast wind 7 to 9 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 49. West wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 34. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 34. West wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 62. South wind 7 to 13 mph, with gusts as high as 21 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:
1:16 pm CST Mar 3, 2026
Forecast Valid:
2pm CST Mar 3, 2026-6pm CDT Mar 9, 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