By Alex Sosnowski, AccuWeather.com Senior Meteorologist
April 11,2015; 8:03AM,EDT
A sweep of dry air will keep thunderstorms away from much of the Midwest this weekend as crews survey the damage and families begin to pick up the pieces following a devastating severe weather outbreak.
The system responsible for violent thunderstorms and tornadoes will be swept off the Atlantic coast this weekend.
In place of that system, a stable atmosphere associated with a large dome of dry air will slide eastward.
Quiet, calm and comfortable weather conditions will help cleanup efforts in hard-hit communities of Ashton, Fairdale and Rochelle, Illinois, which were devastated by large tornadoes.
Highs will range from the mid-60s in northern Illinois to the mid-70s in southern Missouri this weekend.
Both days of the weekend will feature sunshine east of the states that touch the Mississippi River, where Sunday will be the warmer of the two weekend days. After highs ranging from the mid-50s to the mid-60s on Saturday over much of the Ohio Valley, temperatures will rebound as much as 10 degrees higher on Sunday.
From near the Mississippi River westward to the Plains, an area of moisture will grow on Sunday with showers and spotty thunderstorms. This will include communities in Illinois that endured the most violent storms.
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It will not be until Monday that the air will be sufficiently humid and unstable enough to support locally heavy, gusty thunderstorms in the Midwest.
From northern Missouri, Illinois and Indiana on northeast, the storms are likely to be much less intense than the conditions experienced from this past Wednesday and Thursday.
According to AccuWeather Meteorologist Courtney Spamer, "For most areas north of the Ohio River, blinding downpours and localized flooding will be more of a problem than damaging storms."
Storms from parts of southern Missouri and Kentucky on south to Texas and Louisiana could become locally severe on Monday.
Along with the potential severe weather risk on Monday in the lower Mississippi Valley to parts of Texas will be the potential for heavy rain and flooding.
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Jeff Butera
ABC7Jeff
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