Severe Thunderstorm Warning Issued for Lyon, Rock, Lincoln, Minnehaha Counties

Source: NOAA · Northwestern Iowa, Southwestern Minnesota, Southeastern South Dakota

This alert is no longer in effect.

NOAA issued it on June 8, 2026, 2 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.

NWS Sioux Falls has issued a Severe Thunderstorm Warning until 12:15 AM CDT for parts of Iowa, Minnesota, and South Dakota, with 60 mph winds and 1.25-inch hail observed.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Northwestern Iowa, Southwestern Minnesota, Southeastern South Dakota
Issued
June 8, 2026
Issuing authority
NWS Sioux Falls SD

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 2 months ago; use the issuing agency's live warning service for current conditions in Northwestern Iowa, Southwestern Minnesota, Southeastern South Dakota.

Alert Details

A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service Sioux Falls SD. The alert is effective from May 24 at 11:29 PM CDT until May 25 at 12:15 AM CDT.

Affected Areas

The warning covers Northwestern Lyon County in northwestern Iowa, Southwestern Rock County in southwestern Minnesota, Southeastern Minnehaha County in southeastern South Dakota, and Northwestern Lincoln County in southeastern South Dakota. Locations in the path include Sioux Falls, Brandon, Harrisburg, Lake Alvin State Recreation Area, Corson, Rowena, Valley Springs, Larchwood, Hills, and Beaver Creek.

What You Should Do

Move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency.

Expected Conditions

At 11:29 PM CDT, a severe thunderstorm was located over Sioux Falls moving east at 30 mph. Hazards include 60 mph wind gusts and half dollar size hail (1.25 inches). Hail damage to vehicles is expected, along with wind damage to roofs, siding, and trees.

Timeline

The warning is in effect until 12:15 AM CDT on May 25.

Original source: NOAA Official Notice ↗

All Weather Alerts →

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?
NWS Sioux Falls has issued a Severe Thunderstorm Warning until 12:15 AM CDT for parts of Iowa, Minnesota, and South Dakota, with 60 mph winds and 1.25-inch hail observed.
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 Northwestern Iowa, Southwestern Minnesota, Southeastern South Dakota. 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.