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

59°F

15°C

Humidity 69%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 10:55 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West wind around 6 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Light northwest wind.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Calm wind becoming south around 6 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. South wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West wind around 6 mph.
Sunday
Sunny, with a high near 65. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 38. Light northwest wind.
Monday
Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 45. Calm wind becoming south around 6 mph after midnight.
Tuesday
Sunny, with a high near 71. South wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 70. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Light southwest wind.
Friday
Mostly sunny, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Sunny, with a high near 73. Breezy, with a south wind 8 to 16 mph, with gusts as high as 29 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.28°N 91.22°W
Last Update:
10:51 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 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