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.

Mostly Cloudy

68°F

20°C

Humidity 52%
Wind Speed Calm
Barometer 29.73 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Apr 3:55 pm CDT
Extended Forecast for

Blair WI

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 69. Light north wind.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming 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 5 to 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Breezy.
    Partly Sunny
    then Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 32. Southwest wind around 15 mph becoming northwest in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F

    Showers

  • Saturday

    Saturday: A slight chance of rain and snow showers before 1pm, then a slight chance of snow showers. Partly sunny, with a high near 44. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. West wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 69. Light north wind.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming 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 5 to 9 mph, with gusts as high as 20 mph.
Friday
Showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 32. Southwest wind around 15 mph becoming northwest in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain and snow showers before 1pm, then a slight chance of snow showers. Partly sunny, with a high near 44. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 27. West wind 8 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 49. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 27. 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 44. South wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 68. West wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 42. West wind around 7 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 66. South wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.25°W
Last Update:
1:26 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
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