Flood Warning for Mississippi River at Gregory Landing

Source: NOAA · Hancock County IL and Clark County MO

If you are in immediate danger, call emergency services now.

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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Flood Warning has been issued for the Mississippi River at Gregory Landing affecting Clark County, MO and Hancock County, IL, with minor flooding forecast from Thursday evening to late Friday night.

30 seconds on this weather notice

Record type
Flood Warning
Affected area
Hancock County IL and Clark County MO
Issued
September 23, 2026
Issuing authority
NWS Quad Cities IA IL

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Flood Warning has been issued by the National Weather Service Quad Cities IA IL. The alert is effective from Thursday evening through late Friday night.

Affected Areas

The warning covers the Mississippi River at Gregory Landing, affecting Clark County, Missouri and Hancock County, Illinois.

What You Should Do

Caution is urged when walking near riverbanks.

Expected Conditions

Minor flooding is forecast. At 9:00 PM CDT Tuesday the stage was 12.6 feet. The river is expected to rise to a crest of 15.0 feet Thursday evening before falling below flood stage Friday morning. Flood stage is 15.0 feet.

Timeline

The Flood Warning is in effect from Thursday evening (September 24 at 7:00 PM CDT) to late Friday night (September 26 at 1:00 AM CDT).

Original source: NOAA Official Notice ↗

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What People Ask

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning has been issued for the Mississippi River at Gregory Landing affecting Clark County, MO and Hancock County, IL, with minor flooding forecast from Thursday evening to late Friday night.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Hancock County IL and Clark County MO. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.