Flash Flood Warning until 03:15AM Thursday 
The National Weather Service in St Louis has issued a
* Flash Flood Warning for... Central Monroe County in southwestern Illinois... Central Saint Clair County in southwestern Illinois... Northeastern Jefferson County in east central Missouri... South Central Saint Louis County in east central Missouri...
* Until 315 AM CDT.
* At 1112 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include... Belleville, Arnold, Waterloo, Columbia, Sunset Hills, Freeburg, Dupo, Fenton, Millstadt, Oakville, Lemay, Mehlville, Barnhart, Antonia, Smithton, Green Park, New Athens, Valmeyer, East Carondelet and New Design. This includes the following State Parks... Mastodon Historic Site. This includes the following highways... Interstate 55 in Missouri between exits 185 and 191.
* AFFECTED AREAS: MONROE, IL ... ST. CLAIR, IL ... JEFFERSON, MO ... ST. LOUIS, MO
Instructions:
Be especially cautious at night when it is harder to recognize the dangers of flooding.
Address/Location
City of Fenton MO
625 New Smizer Mill Rd
Fenton, MO 63026
Contact
Emergency: 9-1-1
Non-emergencies: 636-343-2080