Severe Thunderstorm Warning Issued for Six South Dakota Counties
This alert is no longer in effect.
NOAA issued it on June 21, 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 for multiple counties in southeastern South Dakota until 10:30 PM CDT on June 3, 2026.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern South Dakota
- Issued
- June 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 months ago; use the issuing agency's live warning service for current conditions in Southeastern South Dakota.
Alert Details
A Severe Thunderstorm Warning was issued by the National Weather Service in Sioux Falls SD on June 3 at 9:45 PM CDT. The alert is effective from 9:45 PM CDT until 10:30 PM CDT on June 3, 2026.
Affected Areas
The warning covers Northern Davison County, Southeastern Sanborn County, Western Lake County, Miner County, Northwestern McCook County, and Northern Hanson County in southeastern South Dakota. Affected locations include Mitchell, Fulton, Fedora, Roswell, Vilas, Howard, Alexandria, Canova, Farmer, Spencer, and Winfred.
What You Should Do
Remain alert for a possible tornado. If you spot a tornado, go at once into the basement or a small central room in a sturdy structure. Move to an interior room on the lowest floor of a building. People outside should move immediately to shelter inside a strong building and stay away from windows. Prepare immediately for damaging winds.
Expected Conditions
At 9:44 PM CDT, severe thunderstorms were located along a line extending from near Artesian to 8 miles northwest of Fulton to near Mitchell, moving east at 45 mph. Hazards include 70 mph wind gusts and hail up to 0.75 inches. Expect considerable tree damage, with damage likely to mobile homes, roofs, and outbuildings.
Timeline
The warning is in effect until 10:30 PM CDT on June 3, 2026. A Tornado Watch remains in effect until 11:00 PM CDT for south central, southeastern, and east central South Dakota.
Original source: NOAA Official Notice ↗
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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 (1,445 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 21, 2026.
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