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Iron County 911 Communications
Tuesday May 20th, 2025 :: 12:04 a.m. CDT

Advisory

Flood Advisory until 06:00AM Tuesday

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected.

* WHERE...Portions of Illinois, including the following counties, northwestern Bond, eastern Calhoun, central Greene, Jersey, Macoupin, Madison, Monroe, southwestern Montgomery and northwestern Saint Clair and Missouri, including the following counties and independent city, Crawford, southeastern Franklin, northwestern Iron, Jefferson, southeastern Lincoln, Saint Charles, Saint Francois, Saint Louis, Saint Louis City, northwestern Sainte Genevieve, southeastern Warren and Washington.

* WHEN...Until 600 AM CDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas.

* ADDITIONAL DETAILS... - At 1203 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... St. Louis, O'Fallon, St. Charles, St. Peters, Florissant, Chesterfield, Belleville, Wildwood, University City, Ballwin, Granite City, Wentzville, Alton, Kirkwood, Maryland Heights, East St. Louis, Hazelwood, Collinsville and Edwardsville.

* AFFECTED AREAS: BOND, IL ... CALHOUN, IL ... GREENE, IL ... JERSEY, IL ... MACOUPIN, IL ... MADISON, IL ... MONROE, IL ... MONTGOMERY, IL ... ST. CLAIR, IL ... CRAWFORD, MO ... FRANKLIN, MO ... IRON, MO ... JEFFERSON, MO ... LINCOLN, MO ... ST. CHARLES, MO ... STE. GENEVIEVE, MO ... ST. FRANCOIS, MO ... ST. LOUIS, MO ... WARREN, MO ... WASHINGTON, MO ... ST. LOUIS CITY, MO

Instructions:

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Address/Location
Iron County 911 Communications
215 E Russell St
Ironton, MO 63650

Contact
Emergency: 9-1-1
Non-emergencies: 573-546-4000

TEXT-A-TIP -  Text TIP IRONCOUNTY followed by your message, to 888777

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Alert Details

Severity:
Minor - Minimal to no known threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Advisory

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