Live incident briefing · Flood

Flood Warning: Wabash River at Vincennes

Official warning geography and instructions, rainfall outlook, gauge observations and forecasts, affected places, and source history.

Official source updated
20 hr ago
Briefing status
Active

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Official information and local resources

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/ind. The next statement will be issued Sunday morning at 915 AM CDT /1015 AM EDT/.

NWS Indianapolis IN · source Aug 29, 2026, 10:29 PM
stateIndiana DHS emergency managementState resourceIllinois Emergency Management AgencyfederalNWPS gauge: Wabash River at VincennesfederalOfficial Flood WarningfederalUSGS gauge 03343010 (provisional)

In immediate danger? Call 911. Nature Says When is not an emergency service and does not determine whether an area is safe.

Verified context

What the latest evidence says

The Flood Warning is classified as Severe with Immediate urgency. This event applies across 3 counties counties, including Lawrence, IL, Wabash, IL, Knox, IN.

From the primary source

Official incident details

Displayed directly from the issuing authority, with no generated paraphrase.

...The Flood Warning continues for the following river in Illinois... Indiana... Wabash River at Hutsonville to Vincennes .Minor flooding continues on the Wabash River from Hutsonville down to Vincennes. The river has crested. Flooding should come to an end on the Wabash over the weekend. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wabash River at Vincennes. * WHEN...Until Sunday morning. * IMPACTS...At 17.0 feet, Considerable agricultural flooding extends from just north of the junction of Illinois 33 with Business 50 to the St. Francesville, Illinois area. River Road from Lincoln Memorial Bridge to Billett Rd is impassable. Extensive seep water forms behind Illinois levees extending from Russellville to U.S. Highway 50. Flooding of agricultural land begins in Knox County Indiana west of the railroad extending for the Oaktown area to the north side of Vincennes. Extensive flooding of Small Creek. * ADDITIONAL DETAILS... - At 4:45 PM CDT /5:45 PM EDT/ Saturday the stage was 16.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:45 PM CDT /5:45 PM EDT/ Saturday was 17.8 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 4.4 feet Tuesday, September 08. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

NWS Indianapolis IN · source Aug 29, 2026, 10:29 PM

Official forecast

NWS weather context

Sunny78°F · wind 6 mph · gusts 9 mph8/30/2026, 2:00:00 PM
Sunny83°F · wind 7 mph · gusts 12 mph8/30/2026, 3:00:00 PM
Sunny88°F · wind 8 mph · gusts 14 mph8/30/2026, 4:00:00 PM
Mostly Sunny90°F · wind 9 mph · gusts 15 mph8/30/2026, 5:00:00 PM
Mostly Sunny92°F · wind 10 mph · gusts 16 mph8/30/2026, 6:00:00 PM
Mostly Sunny93°F · wind 10 mph · gusts 15 mph8/30/2026, 7:00:00 PM

Official gauge and corroborating observation

River and flood-stage context

Wabash River at VincennesObserved stage 15.87 · flood stage 16NWPS gauge name matches the named incident.
USGS corroborationStage 15.87Provisional USGS data

Source-timed facts

Current incident picture

Values stay attached to the authority and time that supplied them.

Affected areas
Lawrence, IL, Wabash, IL, Knox, IN
National Weather Service · source Aug 29, 2026, 10:29 PM
County count
3 counties
National Weather Service · source Aug 29, 2026, 10:29 PM
Official alert
Flood Warning
National Weather Service · source Aug 29, 2026, 10:29 PM
Severity
Severe
National Weather Service · source Aug 29, 2026, 10:29 PM
Ugc county codes
ILC101, ILC185, INC083
National Weather Service · source Aug 29, 2026, 10:29 PM
Urgency
Immediate
National Weather Service · source Aug 29, 2026, 10:29 PM
Warning count
1 warnings
National Weather Service · source Aug 29, 2026, 10:29 PM
Represented population
63,179 people
U.S. Census Bureau 2020 Decennial Census · source Apr 1, 2020, 12:00 AM

Geographic context

Incident area and nearby places

Map geometry shows the official source shape when available. It does not predict impact outside or inside the line.

Loading the incident map…

Map-equivalent affected-area text

Lawrence, IL; Wabash, IL; Knox, IN

Source center: 38.714, -87.571. A point or perimeter is context, not a safety boundary.

  • Lawrence, IL
  • Wabash, IL
  • Knox, IN

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Provenance and handoffs

Official sources

Open the authority’s page before making an emergency decision.

state · emergencyIndiana DHS emergency managementVerified Aug 30, 2026, 2:00 PMstate · emergencyIllinois Emergency Management AgencyVerified Aug 30, 2026, 2:00 PMfederal · gaugeNWPS gauge: Wabash River at VincennesVerified Aug 30, 2026, 2:00 PMfederal · weatherOfficial Flood WarningVerified Aug 30, 2026, 2:00 PMfederal · gaugeUSGS gauge 03343010 (provisional)Verified Aug 30, 2026, 2:00 PM
How this briefing is assembled

Source facts are stored with source and retrieval times. The page renders stored records only. Optional generated context is omitted whenever validation fails and never controls emergency instructions, containment, road status, health guidance, or publication.