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

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Mar 4:15 am CDT
Extended Forecast for

Blair WI

  • Today

    Today: Mostly sunny, with a high near 74. Southeast wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 38. Light and variable wind becoming north 5 to 8 mph after midnight.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a steady temperature around 42. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. North wind 5 to 7 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Calm wind becoming west around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. South wind 3 to 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. South wind 7 to 10 mph becoming west in the afternoon.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. East wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 51. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 74. Southeast wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 38. Light and variable wind becoming north 5 to 8 mph after midnight.
Sunday
Partly sunny, with a steady temperature around 42. North wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 24. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 49. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. South wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 57. South wind 7 to 10 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 34. East wind around 6 mph.
Wednesday
A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers. Mostly cloudy, with a high near 51. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Southeast wind around 8 mph becoming southwest after midnight.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 52. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 24. North wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 44. Northwest wind around 9 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:
1:26 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 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