Severe Thunderstorm Warning Issued for Harrison and Pottawattamie Counties in Iowa and Washington County in Nebraska

Source: NOAA · Southwestern Iowa and East Central Nebraska

This alert is no longer in effect.

NOAA issued it on April 23, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Severe Thunderstorm Warning is in effect for Harrison and Pottawattamie counties in Iowa and Washington County in Nebraska until 3:15 PM CDT, featuring two-inch hail and 60 mph wind gusts.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Southwestern Iowa and East Central Nebraska
Issued
April 23, 2026
Issuing authority
NWS Omaha/Valley NE

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwestern Iowa and East Central Nebraska.

Alert Details

A Severe Thunderstorm Warning has been issued by the National Weather Service (NWS) Omaha/Valley NE. It is effective from 2:22 PM CDT until 3:15 PM CDT on April 23, 2026.

Affected Areas

The warning affects Harrison County and Pottawattamie County in Iowa, and Washington County in Nebraska. Specific locations in the path include Modale, Magnolia, and Dunlap.

What You Should Do

For your protection, move to an interior room on the lowest floor of a building. Seek shelter now inside a sturdy structure and stay away from windows. A Tornado Watch remains in effect until 7:00 PM CDT for the area.

Expected Conditions

Hazards include two-inch hail and 60 mph wind gusts. Golf ball sized hail was reported near Arlington.

Timeline

The alert is effective from 2:22 PM CDT and expires at 3:15 PM CDT on April 23, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Severe Thunderstorm Warning is in effect for Harrison and Pottawattamie counties in Iowa and Washington County in Nebraska until 3:15 PM CDT, featuring two-inch hail and 60 mph wind gusts.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southwestern Iowa and East Central Nebraska. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.