MILWAUKEE, Wis. — The National Weather Service has issued a Flash Flood Warning for Milwaukee, Waukesha, Ozaukee and Washington counties until 12:15 p.m. Thursday.
Flash Flood Warning including Menomonee Falls WI, Mequon WI and Germantown WI until 12:15 PM CDT pic.twitter.com/6XBlgkTwau
— NWS Milwaukee (@NWSMilwaukee) September 3, 2026
At 9:19 a.m., doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas…