Tornado Warning Issued for Southwestern Minnehaha County, SD

Source: NOAA · Minnehaha County, South Dakota

This alert is no longer in effect.

NOAA issued it on June 16, 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 Tornado Warning for southwestern Minnehaha County until 8:45 PM CDT due to radar-indicated rotation in a severe thunderstorm.

Read this weather record in 30 seconds

Record type
Tornado Warning
Affected area
Minnehaha County, South Dakota
Issued
June 16, 2026
Issuing authority
NWS Sioux Falls SD

Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.

Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Minnehaha County, South Dakota.

Alert Details

Tornado Warning issued by NWS Sioux Falls SD. Effective from May 31 at 8:03 PM CDT until May 31 at 8:45 PM CDT. Severity: Extreme. Urgency: Immediate. Certainty: Observed.

Affected Areas

Southwestern Minnehaha County in southeastern South Dakota. The storm was located near Wall Lake, or 8 miles southeast of Lake Vermillion State Recreation Area, and will be near Sioux Falls, Wall Lake, and Ellis around 8:10 PM CDT.

What You Should Do

TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

Expected Conditions

At 8:02 PM CDT, a severe thunderstorm capable of producing a tornado was located near Wall Lake, moving east at 15 mph. Hazard: Tornado. Source: Radar indicated rotation. Max hail size up to 0.75 inches. Impact: Flying debris will be dangerous; mobile homes will be damaged or destroyed; damage to roofs, windows, and vehicles; tree damage likely.

Timeline

Alert effective May 31, 2026 at 8:03 PM CDT and expires May 31, 2026 at 8:45 PM CDT.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Sioux Falls has issued a Tornado Warning for southwestern Minnehaha County until 8:45 PM CDT due to radar-indicated rotation in a severe thunderstorm.
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 Minnehaha County, 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.