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

38°F

3°C

Humidity 58%
Wind Speed SE 3 mph
Barometer 29.96 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Mar 5:15 am CDT
Extended Forecast for

Blair WI

  • Today

    Today: Mostly sunny, with a high near 69. South wind 6 to 9 mph becoming southwest in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers between 11am and 2pm. Partly sunny, with a high near 56. North wind 5 to 14 mph.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. North wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 42. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Northwest wind 3 to 8 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Southwest wind 6 to 13 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Southwest wind around 5 mph becoming southeast in the evening.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. South wind 6 to 9 mph becoming southwest in the afternoon.
Tonight
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 44. Light and variable wind.
Thursday
A 30 percent chance of showers between 11am and 2pm. Partly sunny, with a high near 56. North wind 5 to 14 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. North wind 5 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 42. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 22. Northwest wind 3 to 8 mph.
Saturday
Mostly sunny, with a high near 51. Southwest wind 6 to 13 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind around 5 mph becoming southeast in the evening.
Sunday
Mostly sunny, with a high near 63. South wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 42. South wind around 7 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 69. Southeast wind 6 to 8 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43. East wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 65. Southeast wind 10 to 13 mph, with gusts as high as 22 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:
3:11 am CDT Mar 25, 2026
Forecast Valid:
5am CDT Mar 25, 2026-6pm CDT Mar 31, 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