7-Day Forecast 42.91°N 87.87°W (Text-Only)
NWS Forecast for: South Milwaukee WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 10:24 am CDT Jul 19, 2025




Today: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. High near 81. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind 10 to 15 mph.

Sunday Night: Partly cloudy, with a low around 65. Northeast wind 5 to 10 mph.

Monday: Mostly sunny, with a high near 78. East wind around 10 mph.

Monday Night: Partly cloudy, with a low around 68. East wind 5 to 10 mph becoming southeast after midnight.

Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.

Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. South wind around 10 mph.

Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.

Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Thursday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.



South Milwaukee WI
 42.91°N 87.87°W (Elev. 666 ft)

Visit your local NWS office at: https://www.weather.gov/mkx