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.

Overcast

67°F

19°C

Humidity 76%
Wind Speed E 9 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Sep 3:52 pm CDT
Extended Forecast for

Milwaukee WI

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

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 10 mph.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 59. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 59 °F

    Showers
    Likely then
    Heavy Rain

  • 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. Some of the storms could produce heavy rainfall. High near 71. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Heavy Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. East wind 10 to 15 mph.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 10 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 59. East wind 10 to 15 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. Some of the storms could produce heavy rainfall. High near 71. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 59. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. East wind 10 to 15 mph.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milwaukee WI
 43.07°N 87.97°W (Elev. 715 ft)
Last Update:
3:57 pm CDT Sep 18, 2026
Forecast Valid:
4pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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