Flood Warning Issued for Clark and Crawford Counties in Illinois and Sullivan and Vigo Counties in Indiana

Source: NOAA · Southern Illinois and Western Indiana

This alert is no longer in effect.

NOAA issued it on May 9, 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.

The National Weather Service has issued a Flood Warning for Clark and Crawford counties in Illinois and Sullivan and Vigo counties in Indiana due to expected rainfall causing minor flooding along the Wabash River.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Southern Illinois and Western Indiana
Issued
May 9, 2026
Issuing authority
NWS Indianapolis IN

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 Southern Illinois and Western Indiana.

Alert Details

The National Weather Service (NWS) Indianapolis IN has issued a Flood Warning. This alert is effective from April 28, 2026, at 11:33 AM EDT until May 4, 2026, at 9:06 AM EDT.

Affected Areas

The warning affects Clark, IL; Crawford, IL; Sullivan, IN; and Vigo, IN. It specifically impacts the Wabash River at locations including Montezuma, Hutsonville Legacy Power Plant Site, Terre Haute, Lafayette, and Covington.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/ind.

Expected Conditions

Rainfall amounts of 1.5 to 4 inches are expected in the Wabash basin, with additional amounts of a tenth to half an inch, and up to one to 1.5 inches in some areas. Minor flooding is forecast, with the Wabash River at Terre Haute expected to reach a stage of 20.9 feet. At 10:30 AM EDT on April 28, 2026, the stage was 12.3 feet, and flood stage is 16.5 feet.

Timeline

The onset is at 9:38 PM EDT on April 28, 2026. The alert expires at 2:45 AM EDT on April 29, 2026, but ends at 9:06 AM EDT on May 4, 2026. For the Wabash River at Terre Haute, flooding is expected from this evening to late Monday morning, with the river cresting early Friday afternoon and falling below flood stage late Sunday evening.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Flood Warning for Clark and Crawford counties in Illinois and Sullivan and Vigo counties in Indiana due to expected rainfall causing minor flooding along the Wabash River.
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 Western Indiana. 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.