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.

Fog/Mist

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 53°F (12°C)
Visibility 2.50 mi
Last update 4 Oct 6:55 am CDT
Extended Forecast for

Blair WI

  • Today

    Today: Sunny, with a high near 90. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 90 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 64. Breezy, with a south wind 11 to 17 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 82 °F

    Breezy. Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. Breezy, with a south wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. North wind 6 to 8 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 64. Breezy, with a south wind 11 to 17 mph, with gusts as high as 29 mph.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. Breezy, with a south wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 66. North wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 63. Calm wind becoming northwest 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 39. Southeast wind 3 to 5 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 66. South wind 6 to 10 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 48. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 68. South wind 5 to 8 mph becoming west in the afternoon.
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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:
7:13 am CDT Oct 4, 2025
Forecast Valid:
7am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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