Alert archive / Iowa / River Flood Warnings in 2026

River Flood Warning 14, NWS Des Moines, IA

July 12, 2026Black Hawk County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 12, 2026, 12:45 PM CDT for Black Hawk County, Iowa. It took effect at Jul 13, 2026, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 12, 2026, 12:45 PM CDT (17:45 UTC)
In effect from
Jul 13, 2026, 1:00 AM CDT
Expired
Jul 13, 2026, 7:47 AM CDT
In force
7 hr
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
Minor

County Black Hawk County, IA

The radar

The Des Moines radar (KDMX), 143 km from the middle of the area, began a volume at 17:46 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 Cedar River at Waterloo (ALOI4). The gauge peaked at 12.40 ft at Jul 13, 2026, 12:00 AM CDT.

actionminormoderate10152007/1207/1307/14
Action stage
8.5 ft
Minor stage
13 ft
Moderate stage
19 ft
Major stage
21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05464000, 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
Jul 12, 9:53 AM CDTRiver Flood WatchDMXBlack Hawk3 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.