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

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Oct 3:35 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Southeast wind around 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84. Breezy, with a south wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 84 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 59. South wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51. North wind 3 to 6 mph.

    Low: 51 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 54. Southeast wind around 8 mph.
Saturday
Sunny, with a high near 84. Breezy, with a south wind 8 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Clear, with a low around 59. South wind 8 to 14 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 81. South wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 60. South wind 3 to 6 mph.
Columbus Day
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. Light and variable wind becoming west 5 to 8 mph in the morning.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 65. North wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 43. Light east wind.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Southeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 66. Southeast wind 11 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
3:51 am CDT Oct 9, 2026
Forecast Valid:
3am CDT Oct 9, 2026-6pm CDT Oct 15, 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