At 507 am cdt, severe thunderstorms were located along a line extending from near south roxana to st. louis to pacific, moving east at 35 mph (trained weather spotters). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. severe thunderstorms will be near, granite city, cahokia, pontoon beach, dupo, madison, venice, cahokia parks airport, lemay, brooklyn and east carondelet around 515 am cdt. edwardsville, maryville, centreville, fairmont city and alorton around 520 am cdt. east st. louis, glen carbon, troy and washington park around 525 am cdt. other locations in the path of these severe thunderstorms include collinsville, fairview heights, caseyville, high ridge, belleville, swansea, shiloh, fenton, murphy, antonia, st. jacob, marine, o`fallon, arnold, barnhart, highland, lebanon, lakeshire, scott afb, green park, imperial, sappington, concord, oakville, mehlville, st. george, valmeyer, bella villa and fountain. this includes the following highways, interstate 70 in illinois between exits 21 and 30. interstate 55 in illinois near exit 23. interstate 64 in illinois between exits 9 and 27. interstate 44 in missouri between exits 251 and 277. interstate 55 in missouri between exits 178 and 191. this also includes route 66 state park, castlewood state park, mastodon historic site, sandy creek covered bridge historic site, gov. dunklin`s grave historic site, robertsville state park, and horseshoe lake state park. hail threat, radar indicated max hail size, 0. 75 in wind threat, radar indicated max wind gust, 60 mph.