Severe Thunderstorm Warning for Hutchinson, Turner and Yankton Counties in South Dakota
This alert is no longer in effect.
NOAA issued it on August 21, 2026, 2 days 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 until 8:15 PM CDT August 20 for parts of southeastern South Dakota, with 60 mph winds and 1.25-inch hail observed on radar.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern South Dakota
- Issued
- August 21, 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 days ago; use the issuing agency's live warning service for current conditions in Southeastern South Dakota.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service Sioux Falls SD. The alert is effective from August 20 at 7:30 PM CDT until August 20 at 8:15 PM CDT.
Affected Areas
The warning covers Northern Yankton County, Southwestern Turner County, and Southeastern Hutchinson County in southeastern South Dakota.
What You Should Do
For your protection 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 7:30 PM CDT, a severe thunderstorm was located near Menno, moving southeast 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 effective immediately from 7:30 PM CDT and remains in effect until 8:15 PM CDT on August 20, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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.
Similar body length
Nearest notices by article body length (929 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 21, 2026.
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Common questions about this NWS weather alert.