837
WGUS63 KLSX 111650
FFALSX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service St Louis MO
1150 AM CDT Thu Jun 11 2026

ILZ095-096-MOZ018-019-026-027-120000-
/O.NEW.KLSX.FA.A.0007.260611T1650Z-260612T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams IL-Brown IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Including the cities of Hannibal, Quincy, and Mount Sterling
1150 AM CDT Thu Jun 11 2026

...FLOOD WATCH IN EFFECT UNTIL 7 PM CDT THIS EVENING...

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

* WHERE...Portions of west central Illinois, including the following
  areas, Adams IL and Brown IL and northeast Missouri, including the
  following areas, Knox MO, Lewis MO, Marion MO and Shelby MO.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Area creeks and streams are running high and additional heavy rain
  rates could cause new flooding, or worsen ongoing flooding.

* ADDITIONAL DETAILS...
  - A brief round of thunderstorms with heavy rain rates is expected
    later this afternoon and evening, and while this round will only
    last 1 to 3 hours, these areas have already seen considerable
    recent rains and area creeks and streams are already swollen. As
    such, additional Flash Flooding will be possible late this
    afternoon and evening.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

BRC