Alert archive / Iowa / River Flood Warnings in 2026

River Flood Warning 23, NWS Des Moines, IA

September 30, 2026Warren County, Iowa

NWS Des Moines, IA issued this river flood warning at Sep 30, 2026, 11:59 AM CDT for Warren County, Iowa. It took effect at Sep 30, 2026, 8:30 PM CDT. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 2026, 11:59 AM CDT (16:59 UTC)
In effect from
Sep 30, 2026, 8:30 PM CDT
Expired
Oct 2, 2026, 9:00 AM CDT
In force
37 hr
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
Minor

County Warren County, IA

The radar

The Des Moines radar (KDMX), 46 km from the middle of the area, began a volume at 16:59 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 Middle River near Indianola (IDNI4). The gauge peaked at 23.16 ft at Oct 1, 2026, 3:00 AM CDT.

actionminormoderate1015202509/3010/0110/02
Action stage
19 ft
Minor stage
23 ft
Moderate stage
26 ft
Major stage
28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05486490, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 11:59 AM CDTRiver Flood WarningDMXPolk5 days
Sep 30, 11:59 AM CDTRiver Flood WarningDMXDallas, Polk71 hr
Sep 30, 11:59 AM CDTRiver Flood WarningDMXPolk66 hr

Nearby

River Flood Warnings in Iowa, 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.