Severe Thunderstorm Warning Issued for Northwestern Dewey County, SD
This alert is no longer in effect.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 Aberdeen has issued a Severe Thunderstorm Warning for northwestern Dewey County until 12:30 PM MDT June 3, with 60 mph winds and quarter-size hail.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Dewey County, South Dakota
- Issued
- June 21, 2026
- Issuing authority
- NWS Aberdeen 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 Dewey County, South Dakota.
Alert Details
A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in Aberdeen SD. The alert is effective from 11:48 AM MDT June 3, 2026, until 12:30 PM MDT June 3, 2026. The alert carries a severity of Severe, urgency Immediate, and certainty Observed.
Affected Areas
The warning covers Northwestern Dewey County in north central South Dakota. Locations impacted include Little Moreau Rec Area and White Horse. At 11:47 AM MDT, the storm was located over Green Grass, or 11 miles north of Eagle Butte.
What You Should Do
For 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 11:47 AM MDT, a severe thunderstorm was located over Green Grass moving northeast at 35 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Hail damage to vehicles is expected, along with wind damage to roofs, siding, and trees.
Timeline
The warning is in effect from 11:48 AM MDT until 12:30 PM MDT on June 3, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (1,085 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 21, 2026.
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