National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

19°F

-7°C

Humidity 99%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 20 Apr 6:35 am CDT
Extended Forecast for

2 Miles ESE Merrillan WI

  • Today

    Today: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 54. Light southeast wind becoming south 6 to 11 mph in the morning.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39. Light and variable wind becoming northeast around 5 mph after midnight.

    Low: 39 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Southeast wind 6 to 8 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. South wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. South wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 62 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 54. Light southeast wind becoming south 6 to 11 mph in the morning.
Tonight
Partly cloudy, with a low around 39. South wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Tuesday Night
Clear, with a low around 39. Light and variable wind becoming northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 74. Southeast wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 56. Southeast wind around 9 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. South wind 9 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. South wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62. West wind 7 to 10 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 59. Northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 60. Calm wind becoming west 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Merrillan WI
 44.44°N 90.79°W
Last Update:
5:07 am CDT Apr 20, 2026
Forecast Valid:
6am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation