Severe Flood ● Closed

Flood Watch issued September 13 at 8:19PM CDT until September 15 at 7:00AM CDT by NWS Des Moines IA, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of southwestern, central, and northeastern Iowa.

* WHEN...From 7 AM CDT Monday through Tuesday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Several rounds of showers and thunderstorms are likely from
Monday morning through Monday night. While rainfall amounts in
some areas will be modest, there will be pockets of heavier
rainfall that may lead to flooding, especially if multiple rounds
fall in the same area. In addition, several more rounds of heavy
rainfall are expected later this week, from Tuesday onward, and
this watch might need to be extended or succeeded by more watches
later.

Measurements

Coordinates39.9645, -100.8105
RegionWright; Franklin; Butler; Bremer; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie;
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-09-14T16:30:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 35 days ago (Sep 14, 2026 01:20 UTC) · we last heard from WMO Alert Hub (national weather services) 25 seconds ago

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About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Wright; Franklin; Butler; Bremer; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie;

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.

Open Flood Safety Guide →

Earlier flood events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.