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Jefferson County
Friday June 26th, 2026 :: 07:33 a.m. CDT

Advisory

Flood Watch until 07:00AM Sunday

* WHAT...Flooding caused by excessive rainfall continues to be possible.

* WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri.

* WHEN...Through Sunday morning.

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

* ADDITIONAL DETAILS... - Multiple rounds of thunderstorms are expected through Saturday. Repeated rounds of heavy rainfall from thunderstorms could produce flash flooding.

* AFFECTED AREAS: JEFFERSON ... WAYNE ... EDWARDS ... WABASH ... PERRY ... FRANKLIN ... HAMILTON ... WHITE ... JACKSON ... WILLIAMSON ... SALINE ... GALLATIN ... UNION ... JOHNSON ... POPE ... HARDIN ... ALEXANDER ... PULASKI ... MASSAC ... GIBSON ... PIKE ... POSEY ... VANDERBURGH ... WARRICK ... SPENCER ... UNION ... HENDERSON ... PERRY ... BOLLINGER ... CAPE GIRARDEAU ... WAYNE ... CARTER ... RIPLEY ... BUTLER ... STODDARD ... SCOTT

Instructions:

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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

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