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.

Overcast

37°F

3°C

Humidity 60%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Mar 8:15 am CST
Extended Forecast for

Blair WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Decreasing
    Clouds

  • 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: Partly sunny, then gradually becoming sunny, with a high near 55. Calm wind becoming south around 6 mph.

    High: 55 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

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

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Southeast wind 5 to 7 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 57. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 37. Southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 51. West wind 8 to 11 mph.

    High: 51 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 51. Light and variable wind.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 55. Calm wind becoming south around 6 mph.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 40. Southeast wind 5 to 7 mph.
Friday
Rain. High near 57. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 37. Southeast wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51. West wind 8 to 11 mph.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34. West wind 6 to 8 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 58. West wind 6 to 11 mph, with gusts as high as 20 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:
7:27 am CST Mar 3, 2026
Forecast Valid:
8am CST Mar 3, 2026-6pm CDT Mar 9, 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