Flood Warning Issued for Wabash River in Illinois and Indiana

Source: NOAA · Illinois and Indiana

This alert is no longer in effect.

NOAA issued it on August 13, 2026, 10 days 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 Indianapolis has issued a Flood Warning for Clark and Crawford counties in Illinois and Sullivan and Vigo counties in Indiana due to minor flooding forecast along the Wabash River.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Illinois and Indiana
Issued
August 13, 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 10 days ago; use the issuing agency's live warning service for current conditions in Illinois and Indiana.

Alert Details

A Flood Warning has been issued by the National Weather Service Indianapolis IN. The alert is effective from late Friday night through Thursday, August 20.

Affected Areas

The warning covers Clark County, IL; Crawford County, IL; Sullivan County, IN; and Vigo County, IN. Specific river locations include the Wabash River at Hutsonville Legacy Power Plant Site, Terre Haute, and Riverton.

What You Should Do

Turn around, don't drown when encountering flooded roads. 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

Minor flooding is forecast along the Wabash River at Terre Haute as a result of heavy rainfall. At 19.5 feet, water begins to rise in the Izaak Walton Lake and sheet flowing water begins in the wetland project between U.S. 40 and I-70.

Timeline

The alert was sent August 13 at 12:22PM EDT and is effective from late Friday night (onset August 15 at 2:00AM EDT) until August 20 at 7:09AM EDT. The river is expected to rise above flood stage early Saturday morning to a crest of 20.0 feet Monday morning, then fall below flood stage Wednesday evening. Flood stage is 16.5 feet.

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?
NWS Indianapolis has issued a Flood Warning for Clark and Crawford counties in Illinois and Sullivan and Vigo counties in Indiana due to minor flooding forecast 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 Illinois and 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.