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

51°F

11°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.13 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 2 Oct 12:55 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Mostly clear, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Northwest wind 3 to 8 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 47. South wind 5 to 7 mph becoming west after midnight.

    Low: 47 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Light northwest wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Light and variable wind.

    Low: 40 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Northwest wind around 5 mph.
Friday
Sunny, with a high near 61. Northwest wind 3 to 8 mph.
Friday Night
Increasing clouds, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 65. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 47. South wind 5 to 7 mph becoming west after midnight.
Sunday
Sunny, with a high near 65. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 37. Light northwest wind.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Clear, with a low around 40. Light and variable wind.
Tuesday
Sunny, with a high near 67. South wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 50. South wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 71. Light and variable wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 69. Calm wind becoming west 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
Last Update:
12:36 am CDT Oct 2, 2026
Forecast Valid:
1am CDT Oct 2, 2026-6pm CDT Oct 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation