Flood Warning Issued for Wabash River at Vincennes

Source: NOAA · Lawrence and Wabash Counties, IL; Knox County, IN

This alert is no longer in effect.

NOAA issued it on August 17, 2026, 6 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 the Wabash River at Vincennes and Mississinewa River near Ridgeville, with minor flooding forecast from late Tuesday night.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Lawrence and Wabash Counties, IL; Knox County, IN
Issued
August 17, 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 6 days ago; use the issuing agency's live warning service for current conditions in Lawrence and Wabash Counties, IL; Knox County, IN.

Alert Details

Flood Warning issued by NWS Indianapolis IN on August 17 at 3:14 AM EDT. The alert is effective from late Tuesday night until further notice.

Affected Areas

Lawrence County, IL; Wabash County, IL; Knox County, IN. Specific impacts noted along the Wabash River at Vincennes and Mississinewa River near Ridgeville.

What You Should Do

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Do not attempt to cross water covered bridges, dips, or low water crossings. Never try to cross a flowing stream, even a small one, on foot. To escape rising water find another route over higher ground.

Expected Conditions

Minor flooding is forecast. At 21.0 feet, extensive agricultural flooding in progress in areas not protected by levees. In Lawrence County Illinois, River Road is flooded from the Lincoln Memorial Bridge to the east edge of Billett. Current stage at 2:45 AM EDT Monday was 12.9 feet.

Timeline

Flooding expected to begin near Vincennes late Tuesday night (onset August 19 at 2:00 AM EDT). The river is expected to rise above flood stage (16.0 feet) early Wednesday morning and continue rising to a crest of 21.2 feet Sunday evening.

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 the Wabash River at Vincennes and Mississinewa River near Ridgeville, with minor flooding forecast from late Tuesday night.
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 Lawrence and Wabash Counties, IL; Knox County, IN. 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.