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

50°F

10°C

Humidity 60%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 May 2:15 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 50. East wind around 7 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Breezy, with an east wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 68 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Southeast wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 8am, then a chance of showers after 11am. Cloudy, then becoming mostly sunny during the afternoon, with a high near 73. South wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Light west wind.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 87. Light south wind increasing to 6 to 11 mph in the morning.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 50. East wind around 7 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 68. Breezy, with an east wind 8 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 52. Southeast wind 9 to 14 mph, with gusts as high as 26 mph.
Saturday
A slight chance of showers before 8am, then a chance of showers after 11am. Cloudy, then becoming mostly sunny during the afternoon, with a high near 73. South wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 49. Light west wind.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Memorial Day
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 87. Light south wind increasing to 6 to 11 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. South wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 59. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming east 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60. East wind around 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 6 to 9 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:
2:21 am CDT May 22, 2026
Forecast Valid:
2am CDT May 22, 2026-6pm CDT May 28, 2026
 
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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