⚠️ Flood Watch – Greene; Macoupin; Montgomery; Bond; Fayette; Jersey; Madison; St. Charles; Franklin; St. Louis; St. Louis City – Saturday, June 20, 2026

Flood Watch issued June 20 at 1:28AM CDT until June 22 at 1:00AM CDT by NWS St Louis MO

Details

* WHAT…Flash flooding caused by excessive rainfall is possible.

* WHERE…Portions of Illinois, including the following areas, Bond
IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL and
Montgomery IL and east central Missouri, including the following
areas, Franklin MO, Saint Charles MO, Saint Louis City MO and Saint
Louis MO.

* WHEN…From Sunday morning through late Sunday night.

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

* ADDITIONAL DETAILS…
– Thunderstorms producing heavy rainfall moving over the same
locations could produce flash flooding. Rainfall amounts of 1-3
inches are expected with locally higher amounts possible.

Instructions

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

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.