Current conditions at
Black River Falls Area Airport (KBCK)
Lat: 44.25°NLon: 90.85°WElev: 830ft.
Mostly Cloudy
55°F
13°C
| Humidity | 58% |
| Wind Speed | NW 7 mph |
| Barometer | 29.91 in |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 13 May 12:35 am CDT |
Extended Forecast for
Merrillan WI
Overnight

Low: 44 °F
Mostly Cloudy
Wednesday

High: 68 °F
Decreasing
CloudsWednesday Night

Low: 37 °F
Clear then
Areas FrostThursday

High: 74 °F
Increasing
CloudsThursday Night

Low: 50 °F
Showers
LikelyFriday

High: 85 °F
Mostly Sunny
Friday Night

Low: 50 °F
Mostly Clear
Saturday
High: 84 °F
Sunny then
Slight Chance
ShowersSaturday Night

Low: 51 °F
Chance
Showers
Detailed Forecast
Overnight
Mostly cloudy, with a low around 44. Northwest wind 8 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Areas of frost after 4am. Otherwise, clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 50. South wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 85. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. East wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 75. West wind 8 to 11 mph, with gusts as high as 21 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Merrillan WI
44.45°N 90.85°W
44.45°N 90.85°W
12:21 am CDT May 13, 2026
12am CDT May 13, 2026-6pm CDT May 19, 2026


