Receive alerts from your local agencies
...or text your ZIP CODE to 888777 for mobile alerts

Full Notification

Jefferson County
Tuesday June 9th, 2026 :: 01:06 a.m. CDT

Advisory

Flood Watch until 07:00PM Tuesday

* WHAT...Flash flooding caused by excessive rainfall continues to be possible.

* WHERE...Portions of southern Illinois, including the following areas, Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson, Johnson, Perry IL, Pope, Saline, Wabash, Wayne IL, White and Williamson, southwest Indiana, including the following areas, Gibson, Pike, Posey, Spencer, Vanderburgh and Warrick, and western Kentucky, including the following areas, Caldwell, Calloway, Christian, Crittenden, Daviess, Henderson, Hopkins, Livingston, Lyon, Marshall, McLean, Muhlenberg, Todd, Trigg, Union KY and Webster.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - Slow moving storms capable of intense rainfall rates could lead to isolated areas of Flash Flooding today. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: JEFFERSON ... WAYNE ... EDWARDS ... WABASH ... PERRY ... FRANKLIN ... HAMILTON ... WHITE ... WILLIAMSON ... SALINE ... GALLATIN ... JOHNSON ... POPE ... HARDIN ... GIBSON ... PIKE ... POSEY ... VANDERBURGH ... WARRICK ... SPENCER ... LIVINGSTON ... MARSHALL ... CALLOWAY ... CRITTENDEN ... LYON ... TRIGG ... CALDWELL ... UNION ... WEBSTER ... HOPKINS ... CHRISTIAN ... HENDERSON ... DAVIESS ... MCLEAN ... MUHLENBERG ... TODD

Instructions:

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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:
Severe - Significant threat to life or property
Urgency:
Future - Responsive action SHOULD be taken in the near future
Certainty:
Possible (p <= ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Watch

Navigate & Discover