Full Notification

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for... Monroe County in southwestern Illinois... St. Clair County in southwestern Illinois... Northeastern Jefferson County in east central Missouri... South central St. Louis County in east central Missouri...

* Until 845 AM CDT.

* At 800 AM CDT, severe thunderstorms were located along a line extending from Mehlville to Barnhart to near Hillsboro, moving east at 60 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near... Columbia, Lemay, Oakville, Mehlville, Affton, St. George, Valmeyer, Bella Villa, East Carondelet and Wilbur Park around 805 AM CDT. Cahokia, Centreville, Dupo, Millstadt, Cahokia Parks Airport and Alorton around 810 AM CDT. East St. Louis, Fairview Heights and Waterloo around 815 AM CDT. Belleville, Swansea, Shiloh, Smithton and New Design around 820 AM CDT. Other locations in the path of these severe thunderstorms include O'Fallon, Mascoutah, Freeburg, Red Bud, Scott AFB, Lebanon, New Baden, New Athens and Marissa. This includes the following highways... Interstate 64 in Illinois between exits 14 and 27. Interstate 55 in Missouri between exits 178 and 191. This also includes Mastodon Historic Site and Gov. Dunklin's Grave Historic Site.

* AFFECTED AREAS: MONROE, IL ... ST. CLAIR, IL ... JEFFERSON, MO ... ST. LOUIS, MO

Instructions:

For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in St Louis.