⚠️ Flood Watch – Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark – Thursday, August 13, 2026

Flood Watch issued August 13 at 2:22AM CDT until August 14 at 1:00PM CDT by NWS Quad Cities IA IL

Details

Several rounds of heavy rain producing thunderstorms today through
Friday may produce flash flooding, as well as rises on area creeks
and rivers.

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

* WHERE…Portions of Illinois, including the following areas,
Hancock, Henderson, McDonough, Mercer and Warren, southeast Iowa,
including the following areas, Des Moines, Henry IA, Jefferson,
Keokuk, Lee, Louisa, Van Buren and Washington, and northeast
Missouri, including the following areas, Clark and Scotland.

* WHEN…From 7 AM CDT this morning through Friday afternoon.

* IMPACTS…Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS…
– A large system of thunderstorms with heavy rainfall moving across
the area this morning and midday, followed by more rounds of
storms tonight into Friday morning may produce several inches of
rainfall and eventual flooding problems.

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.