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

78°F

26°C

Humidity 50%
Wind Speed E 6 mph
Barometer 30.14 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 1 Oct 4:55 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Southeast wind 5 to 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. South wind 5 to 9 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Breezy, with a south wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Breezy, with a south wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 49. Southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 49 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. Southeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 84. South wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 62. South wind 3 to 6 mph.
Friday
Sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 65. South wind around 6 mph.
Saturday
Sunny, with a high near 86. Breezy, with a south wind 7 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 82. Breezy, with a south wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 49. Southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 66. Northwest wind 6 to 8 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 64. Northwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Light and variable wind becoming east 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 91.25°W
Last Update:
4:28 pm CDT Oct 1, 2025
Forecast Valid:
5pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
 
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Additional Resources

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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