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.

Partly Cloudy

16°F

-9°C

Humidity 60%
Wind Speed Calm
Barometer 30.42 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 1 Mar 2:15 am CST
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Partly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 30. Calm wind.

    High: 30 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. Calm wind becoming southeast around 5 mph after midnight.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 40. South wind 5 to 10 mph.

    High: 40 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Light southeast wind.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 46. Calm wind becoming east 5 to 7 mph.

    High: 46 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Light east wind.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 8. Calm wind.
Sunday
Sunny, with a high near 30. Calm wind.
Sunday Night
Mostly clear, with a low around 16. Calm wind becoming southeast around 5 mph after midnight.
Monday
Increasing clouds, with a high near 40. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 30. Light southeast wind.
Tuesday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph.
Tuesday Night
Partly cloudy, with a low around 29. Calm wind.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 46. Calm wind becoming east 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 32. Light east wind.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 51. Calm wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Southeast wind 5 to 7 mph.
Friday
Rain likely. Mostly cloudy, with a high near 54. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 7 mph.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 53. West wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
12:26 am CST Mar 1, 2026
Forecast Valid:
2am CST Mar 1, 2026-6pm CST Mar 7, 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