Severe Thunderstorm Warning for Harding and Perkins Counties, SD
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NWS Rapid City has issued a Severe Thunderstorm Warning for east central Harding County and northwestern Perkins County until 7:45 PM MDT on August 23, 2026.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northwestern South Dakota
- Issued
- August 24, 2026
- Issuing authority
- NWS Rapid City 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service in Rapid City SD. The alert is effective from August 23, 2026 at 6:39 PM MDT until August 23, 2026 at 7:45 PM MDT.
Affected Areas
The warning covers East Central Harding County and Northwestern Perkins County in northwestern South Dakota. Locations impacted include Reva and Ralph.
What You Should Do
Seek shelter inside a well-built structure and stay away from windows.
Expected Conditions
At 6:39 PM MDT, a severe thunderstorm was located over Ralph, or 29 miles northeast of Buffalo, moving southeast at 15 mph. Hazards include ping pong ball size hail (1.50 inches) and 60 mph wind gusts.
Timeline
The warning is in effect until 7:45 PM MDT on August 23, 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 (776 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 24, 2026.
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