Live incident briefing · Flood
Flood Warning: Wabash River at Riverton
Official warning geography and instructions, rainfall outlook, gauge observations and forecasts, affected places, and source history.
- Official source updated
- 4 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 this evening at 915 PM CDT /1015 PM EDT/.
NWS Indianapolis IN · source Aug 30, 2026, 2:10 PM
stateIndiana DHS emergency management↗State resourceIllinois Emergency Management Agency↗federalNWPS gauge: Wabash River at Riverton↗federalOfficial Flood Warning↗federalUSGS gauge 03342000 (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 has Severe severity and Immediate urgency. This covers 4 counties counties: Crawford, IL, Lawrence, IL, Knox, IN, Sullivan, 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 rivers in Indiana... Illinois... Wabash River at Riverton .Minor flooding continues on the Wabash River at Riverton. The river has crested. Flooding is expected come to an end on the Wabash later tonight. * WHAT...Minor flooding is occurring. * WHERE...Wabash River at Riverton. * WHEN...Until late Sunday night. * IMPACTS...At 16.0 feet, Some agricultural lands underwater. A few rural roads in Crawford County, Illinois close as water backs up Minnow Slough. High water affects campground at Leaverton Park in Palestine. A few private roads near the Gill Township levee in Sullivan County may flood. Water level is at the top of most makeshift levees. * ADDITIONAL DETAILS... - At 8:00 AM CDT /9:00 AM EDT/ Sunday the stage was 16.6 feet. - Bankfull stage is 10.5 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 4.7 feet Wednesday, September 09. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
NWS Indianapolis IN · source Aug 30, 2026, 2:10 PM
Official forecast
NWS weather context
Official gauge and corroborating observation
River and flood-stage context
Source-timed facts
Current incident picture
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- Affected areas
- Crawford, IL, Lawrence, IL, Knox, IN, Sullivan, IN National Weather Service · source Aug 30, 2026, 2:10 PM
- County count
- 4 counties National Weather Service · source Aug 30, 2026, 2:10 PM
- Official alert
- Flood Warning National Weather Service · source Aug 30, 2026, 2:10 PM
- Severity
- Severe National Weather Service · source Aug 30, 2026, 2:10 PM
- Ugc county codes
- ILC033, ILC101, INC083, INC153 National Weather Service · source Aug 30, 2026, 2:10 PM
- Urgency
- Immediate National Weather Service · source Aug 30, 2026, 2:10 PM
- Warning count
- 1 warnings National Weather Service · source Aug 30, 2026, 2:10 PM
- Represented population
- 91,079 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.
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Map-equivalent affected-area text
Crawford, IL; Lawrence, IL; Knox, IN; Sullivan, IN
Source center: 39.010, -87.576. A point or perimeter is context, not a safety boundary.
- Crawford, IL
- Lawrence, IL
- Knox, IN
- Sullivan, IN
Material revisions
What changed
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Incident first observed.
Provenance and handoffs
Official sources
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state · emergencyIndiana DHS emergency managementVerified Aug 30, 2026, 6:30 PMstate · emergencyIllinois Emergency Management AgencyVerified Aug 30, 2026, 6:30 PMfederal · gaugeNWPS gauge: Wabash River at RivertonVerified Aug 30, 2026, 6:30 PMfederal · weatherOfficial Flood WarningVerified Aug 30, 2026, 6:30 PMfederal · gaugeUSGS gauge 03342000 (provisional)Verified Aug 30, 2026, 6:30 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.