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 67%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 13 Feb 10:35 am CST
Extended Forecast for

Blair WI

  • Today

    Today: Sunny, with a high near 49. West wind around 5 mph becoming calm in the afternoon.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Calm wind becoming west around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Calm wind becoming south around 6 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 55. West wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 52. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 49. West wind around 5 mph becoming calm in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 26. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 27. Calm wind.
Sunday
Mostly sunny, with a high near 50. Calm wind becoming west around 5 mph.
Sunday Night
Mostly cloudy, with a low around 35. Calm wind becoming south around 6 mph after midnight.
Washington's Birthday
Sunny, with a high near 55. West wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 52. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38. East wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Wednesday
Rain likely. Partly sunny, with a high near 49. Southeast wind 10 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. Northeast wind 7 to 9 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 36. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
10:01 am CST Feb 13, 2026
Forecast Valid:
10am CST Feb 13, 2026-6pm CST Feb 19, 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