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

Hazardous Weather Conditions

Current conditions at

Milwaukee, General Mitchell International Airport (KMKE)

Lat: 42.96°NLon: 87.9°WElev: 722ft.

Overcast

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 29.93 in (1012.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Sep 12:52 am CDT
Extended Forecast for

South Milwaukee WI

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming northwest in the morning.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. North wind around 5 mph becoming south after midnight. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 84. Northwest wind around 5 mph becoming east in the afternoon.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Southeast wind around 5 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80. East wind 5 to 10 mph.

    High: 80 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming northwest in the morning.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. North wind around 5 mph becoming south after midnight. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 84. Northwest wind around 5 mph becoming east in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Southeast wind around 5 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80. East wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Labor Day
Partly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Milwaukee WI
 42.91°N 87.87°W (Elev. 666 ft)
Last Update:
11:41 pm CDT Sep 1, 2026
Forecast Valid:
12am CDT Sep 2, 2026-6pm CDT Sep 8, 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