Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

42°F

6°C

Humidity 52%
Wind Speed Calm
Barometer 29.80 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 8 May 7:35 am CDT
Extended Forecast for

2 Miles N Merrillan WI

Frost Advisory until May 8, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory until May 8, 08:00am

    NOW until 8:00am Fri

    Frost Advisory

  • Today

    High: 68 °F

    Areas Frost
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 3 to 5 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of showers, mainly between 7am and 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am.  Otherwise, sunny, with a high near 57. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers after 1am.  Mostly cloudy, with a low around 39. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 68. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 3 to 5 mph.
Saturday
A 30 percent chance of showers, mainly between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 62. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 57. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Monday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Light and variable wind.
Monday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 6 mph after midnight. Winds could gust as high as 21 mph.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 61. Southeast wind around 9 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 38. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A chance of sprinkles. Partly cloudy, with a low around 42. Calm wind.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Merrillan WI
 44.49°N 90.85°W
6:56 am CDT May 8, 2026
7am CDT May 8, 2026-6pm CDT May 14, 2026
 
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Additional Resources

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