National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

68°F

20°C

Humidity 88%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 7 Aug 8:15 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82. Northwest wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 60. Calm wind. Chance of precipitation is 20%.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 40%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 82. Northwest wind 3 to 6 mph.
Saturday Night
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 60. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. Light and variable wind.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.
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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:
7:11 pm CDT Aug 7, 2026
Forecast Valid:
8pm CDT Aug 7, 2026-6pm CDT Aug 14, 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