National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fog/Mist

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.72 in
Dewpoint 56°F (13°C)
Visibility 0.75 mi
Last update 16 Apr 3:56 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a steady temperature around 52. Calm wind.

    Low: 52 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Southeast wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms after 1pm. High near 76. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Breezy.
    Mostly Sunny
    then T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 31. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 31 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of rain and snow showers before 10am, then a slight chance of snow showers between 10am and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 44. Breezy, with a west wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 7pm. Mostly clear, with a low around 26. West wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog after 5am. Otherwise, mostly cloudy, with a steady temperature around 52. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 73. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. Southeast wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday
Showers and thunderstorms after 1pm. High near 76. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 31. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of rain and snow showers before 10am, then a slight chance of snow showers between 10am and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 44. Breezy, with a west wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 26. West wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 48. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 60. South wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 42. South wind around 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 70. West wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 44. Southwest wind around 7 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
2:06 am CDT Apr 16, 2026
Forecast Valid:
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation