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Jefferson County
Wednesday July 8th, 2026 :: 12:07 a.m. CDT

Advisory

Flood Advisory until 03:00AM Wednesday

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

* WHERE...Franklin County in south central Illinois... Southern Jefferson County in south central Illinois... Eastern Perry County in south central Illinois...

* WHEN...Until 300 AM CDT.

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

* ADDITIONAL DETAILS... - At 1206 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Benton, Du Quoin, Pinckneyville, Christopher, Rend Lake Area, Sesser, Valier, West City, Tamaroa, Ina, North City, Buckner, Bonnie, Belle Rive, Hanaford, Ewing, Nason and St. Johns. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: FRANKLIN, IL ... JEFFERSON, IL ... PERRY, IL

Instructions:

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

Address/Location
Jefferson County
100 S 10th St
Mount Vernon, IL 62864

Contact
Emergency: 9-1-1
Non-emergencies: 618-244-8000

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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