Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

16°C

60°F

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 16°C (60°F)
Visibility 11 km
Last update 6 Sep 1:15 am CDT
Extended Forecast for

6 Miles ESE Merrillan WI

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, mostly clear early, then becoming mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 29. Southeast wind 3 to 8 km/h.

    High: 29 °C

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °C

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 28. Light southeast wind becoming south 6 to 11 km/h in the morning.

    High: 28 °C

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 16. Southeast wind around 11 km/h, with gusts as high as 29 km/h.

    Low: 16 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 29. South wind 10 to 13 km/h, with gusts as high as 32 km/h.  Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 29 °C

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 17. South wind 8 to 13 km/h, with gusts as high as 34 km/h.  Chance of precipitation is 60%.

    Low: 17 °C

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27. West wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 27 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11. West wind 11 to 16 km/h becoming light northwest  after midnight. Winds could gust as high as 35 km/h.

    Low: 11 °C

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear early, then becoming mostly cloudy, with a low around 14. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 29. Southeast wind 3 to 8 km/h.
Sunday Night
Partly cloudy, with a low around 14. Calm wind.
Labor Day
Mostly sunny, with a high near 28. Light southeast wind becoming south 6 to 11 km/h in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 16. Southeast wind around 11 km/h, with gusts as high as 29 km/h.
Tuesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 29. South wind 10 to 13 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 17. South wind 8 to 13 km/h, with gusts as high as 34 km/h. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 27. West wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 45 km/h.
Wednesday Night
Mostly clear, with a low around 11. West wind 11 to 16 km/h becoming light northwest after midnight. Winds could gust as high as 35 km/h.
Thursday
Mostly sunny, with a high near 26. Calm wind becoming northwest 5 to 10 km/h in the morning.
Thursday Night
Mostly clear, with a low around 9. Calm wind.
Friday
Mostly sunny, with a high near 27. Light south wind becoming southwest 8 to 13 km/h in the morning. Winds could gust as high as 29 km/h.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 12. South wind 5 to 10 km/h becoming calm after midnight.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 27. Light and variable wind becoming southwest 6 to 11 km/h in the morning. Winds could gust as high as 29 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Merrillan WI
 44.42°N 90.73°W
12:21 am CDT Sep 6, 2026
1am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database