Alert archive / Illinois / River Flood Warnings in 2026

River Flood Warning 62, NWS Indianapolis, IN

April 30, 2026Gibson County, Knox County, Posey County, Indiana; 4 counties in Illinois

NWS Indianapolis, IN issued this river flood warning at Apr 30, 2026, 11:30 AM CDT for Gibson County, Knox County, Posey County, Indiana; 4 counties in Illinois. It took effect at May 1, 2026, 7:00 AM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
Apr 30, 2026, 11:30 AM CDT (16:30 UTC)
In effect from
May 1, 2026, 7:00 AM CDT
Expired
May 5, 2026, 2:17 PM CDT
In force
4 days
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
Minor

Counties Edwards County, IL, Gallatin County, IL, Wabash County, IL, White County, IL, Gibson County, IN, Knox County, IN, Posey County, IN

The radar

The Evansville,IN radar (KVWX), 14 km from the middle of the area, began a volume at 16:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Wabash River at Mount Carmel (MCRI2). The gauge peaked at 20.51 ft at May 3, 2026, 4:00 PM CDT.

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Action stage
11 ft
Minor stage
19 ft
Moderate stage
25 ft
Major stage
32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03377500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in Illinois, 2026River Flood Warnings in Indiana, 2026Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.