Counties that could be affected include Cook, Kane, Lake, LaSalle, DuPage, Boone, McHenry, Kendall, Will, Ogle, Iroquois, Winnebago and Ford, according to the National Weather Service's Chicago-area forecast office.
Severe weather is not expected with these storms. The warm and muggy conditions continue for Memorial Day, with a high of 86 degrees, and the chance for a few rain showers and thunderstorms.
Tuesday brings the next best chance for scattered showers, lowering the pollen count a bit as well as the temperatures. The heaviest rainfall is expected over northern Missouri. We'll see a mix of sun and clouds with highs near 78.
For more updates on the region's weather follow updates from PennLive on Twitter. "Large hail over 1" and wind gusts over 60 miles per hour will be the most likely threats but a tornado or two can't be ruled out.More news: AMD previews Radeon RX5000 series GPUs based on new Navi architecture
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Heavy rains are also likely, which will lead to flash flooding and additional or aggravated river flooding. Our weather pattern is breaking but not before a couple more rounds of storms that could be strong to severe with large hail, high wind and even a couple tornadoes possible.
Scattered storms will start moving from west to east across our area around noon with scattered activity continuing through around midnight.
Two more days of storms in KAKEland before a much needed break from the soggy and stormy weather.