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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Milwaukee, General Mitchell International Airport (KMKE)

Lat: 42.96°NLon: 87.9°WElev: 722ft.

Light Rain

64°F

18°C

Humidity 87%
Wind Speed E 16 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 10:52 pm CDT
Extended Forecast for

Cudahy WI

Flood Watch September 19, 01:00am until September 19, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 62. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 62 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 67. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 67 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Southeast wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.

    High: 64 °F

    Slight Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Cloudy, with a low around 57. Windy, with a northeast wind 25 to 30 mph.

    Low: 57 °F

    Cloudy and
    Windy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. Windy, with an east wind 25 to 30 mph.

    High: 63 °F

    Windy. Mostly
    Cloudy then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Windy, with an east wind 25 to 30 mph.

    Low: 54 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Windy, with a northeast wind 20 to 25 mph.

    High: 62 °F

    Slight Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Windy.

    Low: 55 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 62. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 67. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Southeast wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Sunday Night
Cloudy, with a low around 57. Windy, with a northeast wind 25 to 30 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. Windy, with an east wind 25 to 30 mph.
Monday Night
Mostly cloudy, with a low around 54. Windy, with an east wind 25 to 30 mph.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Windy, with a northeast wind 20 to 25 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Windy.
Wednesday
Partly sunny, with a high near 63. Breezy.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cudahy WI
 42.95°N 87.83°W (Elev. 577 ft)
Last Update:
9:52 pm CDT Sep 18, 2026
Forecast Valid:
11pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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