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.

Fair

88°F

31°C

Humidity 49%
Wind Speed S 10 mph
Barometer 29.93 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Jul 3:35 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 81. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers
    Likely then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73. North wind 7 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 77 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 81. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 73. North wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 52. Light and variable wind.
Friday
Mostly sunny, with a high near 77. Calm wind becoming southeast 5 to 7 mph in the morning.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the morning.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61. Light east wind.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 82. Southeast wind 5 to 9 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 3 to 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 5 to 8 mph.
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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:
1:59 pm CDT Jul 15, 2025
Forecast Valid:
3pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
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