Flood Warning Issued for Mississippi River at Chester

Source: NOAA · Southern Illinois and Eastern Missouri

This alert is no longer in effect.

NOAA issued it on July 10, 2026, 6 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

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

NWS St Louis MO has issued a Flood Warning for the Mississippi River at Chester affecting Jackson and Randolph counties in Illinois and Perry and Ste. Genevieve counties in Missouri.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Southern Illinois and Eastern Missouri
Issued
July 10, 2026
Issuing authority
NWS St Louis MO

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: historical. It was issued 6 weeks ago; use the issuing agency's live warning service for current conditions in Southern Illinois and Eastern Missouri.

Alert Details

Flood Warning issued by NWS St Louis MO. Effective from 2026-06-13T11:43:00-05:00. Alert type code: FLW.

Affected Areas

Jackson, IL; Randolph, IL; Perry, MO; Ste. Genevieve, MO. Specifically the Mississippi River at Chester.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Minor flooding is forecast. At 11:30 AM CDT Saturday the stage was 24.8 feet. The river is expected to rise above flood stage of 27.0 feet tomorrow afternoon and continue rising to a crest of 30.9 feet early Friday morning. At 31.5 feet, Highway E is closed between County Road 322 and Levee Road (County Road 354) at Bois Brule Creek in Perry County.

Timeline

Onset 2026-06-14T16:36:00-05:00 (Sunday afternoon) until further notice. Expires 2026-06-14T23:45:00-05:00.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS St Louis MO has issued a Flood Warning for the Mississippi River at Chester affecting Jackson and Randolph counties in Illinois and Perry and Ste. Genevieve counties in Missouri.
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 Southern Illinois and Eastern Missouri. 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.