Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 16 Aug 12:35 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am.  Mostly cloudy, with a steady temperature around 71. Light southwest wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 62. Southwest wind 3 to 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Light north wind.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a steady temperature around 71. Light southwest wind. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 81. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 55. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 62. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 51. Light north wind.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55. Calm wind.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
11:11 pm CDT Aug 15, 2026
12am CDT Aug 16, 2026-6pm CDT Aug 22, 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