Alert archive / Iowa / River Flood Warnings in 2026

River Flood Warning 11, NWS Des Moines, IA

July 5, 2026Poweshiek County, Tama County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 5, 2026, 8:33 PM CDT for Poweshiek County, Tama County, Iowa. It took effect at Jul 6, 2026, 7:00 AM CDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Jul 5, 2026, 8:33 PM CDT (01:33 UTC)
In effect from
Jul 6, 2026, 7:00 AM CDT
Expired
Jul 7, 2026, 7:00 PM CDT
In force
36 hr
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
Minor

Counties Poweshiek County, IA, Tama County, IA

The radar

The Des Moines radar (KDMX), 100 km from the middle of the area, began a volume at 01:34 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 Iowa River near Tama Hwy E49 (TMAI4). The gauge peaked at 12.26 ft at Jul 6, 2026, 10:00 AM CDT.

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Action stage
11 ft
Minor stage
12.5 ft
Moderate stage
13 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05451770, 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 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.