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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Milwaukee, General Mitchell International Airport (KMKE)

Lat: 42.96°NLon: 87.9°WElev: 722ft.

Overcast

73°F

23°C

Humidity 48%
Wind Speed SW 5 mph
Barometer 29.61 in (1002.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Oct 4:52 pm CDT
Extended Forecast for

South Milwaukee WI

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers after 4am. Low around 50. South wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers, mainly before 10am. High near 58. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers and
    Breezy then
    Slight Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind 10 to 15 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 5 to 15 mph becoming south in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 46. South wind around 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 55. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 55 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 52. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers after 4am. Low around 50. South wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 10am. High near 58. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 41. West wind 10 to 15 mph.
Monday
Sunny, with a high near 64. Southwest wind 5 to 15 mph becoming south in the afternoon.
Monday Night
Showers likely. Mostly cloudy, with a low around 46. South wind around 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 55. Windy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 52. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Milwaukee WI
 42.93°N 87.86°W (Elev. 682 ft)
Last Update:
4:41 pm CDT Oct 18, 2025
Forecast Valid:
5pm CDT Oct 18, 2025-6pm CDT Oct 25, 2025
 
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