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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning.

    High: 25 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight. Cloudy, with a temperature falling to near 18 by 10pm, then rising to around 23 during the remainder of the night. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F⇑

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Partly sunny, with a high near 25. Wind chill values as low as -1. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 25 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -9. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: -9 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 11. Calm wind becoming south 5 to 8 mph in the morning.

    High: 11 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 2 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 26. South wind around 8 mph.

    High: 26 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 10. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 8. Calm wind.
Tuesday
Partly sunny, with a high near 25. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 40 percent chance of snow after midnight. Cloudy, with a temperature falling to near 18 by 10pm, then rising to around 23 during the remainder of the night. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 25. Wind chill values as low as -1. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around -9. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 11. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2. South wind around 8 mph, with gusts as high as 18 mph.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 26. South wind around 8 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 10. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 23. Northwest wind 5 to 7 mph.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 2. North wind around 6 mph.
Sunday
Partly sunny, with a high near 17. North wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around -3. Light and variable wind.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 24. Calm wind becoming south 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
11:31 pm CST Dec 1, 2025
Forecast Valid:
12am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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