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

23°F

-5°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 15 Feb 12:55 am CST
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 53. South wind around 6 mph becoming light and variable in the afternoon.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Calm wind becoming east around 6 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 52. East wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. East wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 51. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Calm wind.
Sunday
Sunny, with a high near 51. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 36. Calm wind becoming south 5 to 7 mph after midnight.
Washington's Birthday
Sunny, with a high near 53. South wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 33. 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. East wind 6 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Rain. Low around 40. East wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 51. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 27. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 39. Northwest wind 7 to 11 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. North wind around 9 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 31. North wind 7 to 9 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15. Northwest wind around 7 mph.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 31. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
11:56 pm CST Feb 14, 2026
Forecast Valid:
1am CST Feb 15, 2026-6pm CST Feb 21, 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