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

70°F

21°C

Humidity 51%
Wind Speed S 7 mph
Barometer 30.16 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 26 Sep 2:55 pm CDT
Extended Forecast for

Blair WI

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 3am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 9am and 10am. Mostly cloudy, with a high near 66. Light and variable wind.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely after 1pm. Mostly cloudy, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 11pm and 3am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers, mainly between 9am and 10am. Mostly cloudy, with a high near 66. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 54. Calm wind.
Monday
Partly sunny, with a high near 72. Calm wind.
Monday Night
Partly cloudy, with a low around 53. Calm wind.
Tuesday
Showers likely after 1pm. Mostly cloudy, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind.
Thursday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 69. Calm wind becoming northwest 5 to 8 mph in the morning.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47. Northwest wind 3 to 5 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 65. Northeast wind 3 to 8 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46. Light east wind.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
Last Update:
2:01 pm CDT Sep 26, 2026
Forecast Valid:
3pm CDT Sep 26, 2026-6pm CDT Oct 3, 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