Flood Warning Issued for Clinton County, Illinois

Source: NOAA · Clinton County, Illinois

This alert is no longer in effect.

NOAA issued it on May 15, 2026, 3 months 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.

A Flood Warning is in effect for Clinton County, Illinois, with minor flooding occurring on the Kaskaskia River at Carlyle, expected to rise further.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Clinton County, Illinois
Issued
May 15, 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 3 months ago; use the issuing agency's live warning service for current conditions in Clinton County, Illinois.

Alert Details

The National Weather Service in St Louis has issued a Flood Warning. It was sent on May 7, 2026, at 11:53 AM CDT.

Affected Areas

The warning affects Clinton, IL, specifically the Kaskaskia River at Carlyle in Illinois.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Monitor conditions as heavier rainfall could cause river levels to rise higher than predicted.

Expected Conditions

Minor flooding is occurring and forecast. The river stage is currently at 17.0 feet, expected to rise to 20.2 feet early tomorrow afternoon. At 20.3 feet, township roads downstream in Covington begin flooding. Flood stage is 16.5 feet.

Timeline

The alert is effective from May 7, 2026, at 11:53 AM CDT and expires on May 9, 2026, at 12:00 AM CDT, though it is in effect from this morning until further notice.

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?
A Flood Warning is in effect for Clinton County, Illinois, with minor flooding occurring on the Kaskaskia River at Carlyle, expected to rise further.
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 Clinton County, Illinois. 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.