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Hazardous Weather Conditions

Current conditions at

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Fair

39°F

4°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 May 11:15 pm CDT
Extended Forecast for

5 Miles ESE Merrillan WI

Frost Advisory May 14, 01:00am until May 14, 07:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Areas Frost

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 1am, then a chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 52. South wind around 6 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 84. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly clear, with a low around 51. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 48. Calm wind becoming east around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. East wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southeast wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Cloudy, then gradually becoming partly cloudy, with a low around 52. South wind around 6 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 84. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly clear, with a low around 51. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers. Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 48. Calm wind becoming east around 5 mph after midnight.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. East wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Southeast wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 85. South wind 9 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 71. West wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Merrillan WI
 44.42°N 90.73°W
Last Update:
9:52 pm CDT May 13, 2026
Forecast Valid:
11pm CDT May 13, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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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