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

Low: 14 °C
Patchy Fog
Sunday
High: 29 °C
Patchy Fog
then Mostly
SunnySunday Night

Low: 14 °C
Partly Cloudy
Labor Day

High: 28 °C
Mostly Sunny
Monday Night
Low: 16 °C
Mostly Cloudy
then Chance
T-stormsTuesday

High: 29 °C
T-storms
LikelyTuesday Night

Low: 17 °C
Showers
LikelyWednesday

High: 27 °C
Mostly Sunny
Wednesday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles ESE Merrillan WI
44.42°N 90.73°W
44.42°N 90.73°W
12:21 am CDT Sep 6, 2026
1am CDT Sep 6, 2026-6pm CDT Sep 12, 2026


