National Weather Service United States Department of Commerce

Severe Weather in the Plains; Heavy Rainfall in the Northern Plains, Tennessee Valley and Southeast

Numerous severe thunderstorms with a potential for 60-80 mph winds, along with tornadoes (some strong), and large to very large hail are expected across the northern and central Plains through tonight. Heavy to excessive rainfall may bring a flooding threat to parts of North Dakota and Minnesota, and from the Ohio Valley to the Southeast through tonight. Read More >

Southerly onshore winds will bring High Swim Risk to Ozaukee and Sheboygan County beaches Wednesday through Wednesday night. Stay out of the water, and away from dangerous areas like piers and break walls!
Multiple rounds of potentially severe thunderstorms are expected Wednesday through Thursday. The timeframe of highest confidence for severe weather is Wednesday afternoon and evening as a line moves rapidly west to east. However, additional rounds of severe weather remain possible Wednesday night and into Thursday. Flooding threat increases Wednesday night through Thursday as well.
A line of northeastward moving storms may become capable of producing isolated severe storms early Wednesday morning. There remains uncertainty with placement of this line, and it may end up farther northwest in Wisconsin. If it does come through southern Wisconsin, the main concerns are wind and hail.
A line of severe storms is expected to progress west to east Wednesday afternoon/evening, bringing potential for tornadoes, winds, and large hail. Stay up to date with the latest forecasts!