Severe Thunderstorm Warning for Bon Homme and Yankton Counties, SD (Sep 2, 2026)
This alert is no longer in effect.
NOAA issued it on September 2, 2026, 2 weeks 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 for southeastern Bon Homme County and Yankton County in South Dakota until 11:15 PM CDT.
The weather record, at a glance
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern South Dakota
- Issued
- September 2, 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 weeks ago; use the issuing agency's live warning service for current conditions in Southeastern South Dakota.
Alert Details
Severe Thunderstorm Warning issued by NWS Sioux Falls SD. Effective from 2026-09-01T22:37:00-05:00 until 2026-09-01T23:15:00-05:00.
Affected Areas
Southeastern Bon Homme County and Yankton County in southeastern South Dakota. The storm was located near Tyndall at 10:37 PM CDT, moving east at 35 mph, and will be near Tabor around 10:40 PM CDT, Lewis And Clark State Recreation Area and Utica around 10:50 PM CDT, and Yankton.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
60 mph wind gusts and half dollar size hail (1.25 inches). Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
Timeline
Alert effective immediately on September 1, 2026, and expires at 11:15 PM CDT the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Comparable nationwide notices (length or severity timing) 8
Beyond this NWS weather alert's own category, Areazine surfaces two nationwide peer sets: length-matched and severity/date-matched notices from elsewhere in the archive, distinct from the same-feed Related list above.
Similar body length
Nearest notices by article body length (823 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 2, 2026.
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