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.

Overcast

48°F

9°C

Humidity 72%
Wind Speed NE 6 mph
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 5 Mar 11:35 am CST
Extended Forecast for

Blair WI

  • Today

    Today: Mostly cloudy, with a high near 50. Southeast wind around 7 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 9am. High near 58. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 35. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 46. West wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 50. Southeast wind around 7 mph.
Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Southeast wind around 7 mph.
Friday
Showers, with thunderstorms also possible after 9am. High near 58. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 35. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 46. West wind 7 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 31. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 60. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 43. Southwest wind around 9 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 65. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 37. Northwest wind 6 to 8 mph becoming east after midnight.
Tuesday
A 50 percent chance of showers. Mostly sunny, with a high near 55. East wind 9 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of snow showers. Partly sunny, with a high near 39. Northwest wind 11 to 14 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:
8:27 am CST Mar 5, 2026
Forecast Valid:
11am CST Mar 5, 2026-6pm CDT Mar 11, 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