Flood Warning Issued for Brown, Cass, Morgan, and Schuyler Counties in Illinois

Source: NOAA · Western Illinois

This alert is no longer in effect.

NOAA issued it on May 2, 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 Brown, Cass, Morgan, and Schuyler counties in Illinois due to minor flooding on the Illinois River, with river levels currently at 16.7 feet and expected to crest soon.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Western Illinois
Issued
May 2, 2026
Issuing authority
NWS Lincoln 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: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Western Illinois.

Flood Warning in Illinois

Alert Details

A Flood Warning has been issued by NWS Lincoln IL, effective from April 24, 2026, at 2:23 PM CDT.

Affected Areas

The warning affects Brown, Cass, Morgan, and Schuyler counties in Illinois, particularly along the Illinois River at Beardstown.

What You Should Do

Caution is urged when walking near riverbanks. Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk, and stay tuned for further updates.

Expected Conditions

Minor flooding is occurring and forecast, with the Illinois River at Beardstown at 16.7 feet and expected to crest at 16.7 feet. The flood stage is 14.0 feet.

Timeline

The alert is effective from April 24, 2026, at 2:23 PM CDT and expires on April 25, 2026, at 6:30 AM CDT.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

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 Brown, Cass, Morgan, and Schuyler counties in Illinois due to minor flooding on the Illinois River, with river levels currently at 16.7 feet and expected to crest soon.
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 Western 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.