Severe Thunderstorm Warning — Charles Mix County, South Dakota
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 18 at 2:44AM CDT until August 18 at 3:15AM CDT by NWS Sioux Falls SD
At 243 AM CDT, a severe thunderstorm was located 8 miles east of Iona, or 14 miles south of Chamberlain, moving southeast at 50 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of northwestern Charles Mix and southwestern Brule Counties, including the following locations... Pukwana.
Effective August 18, 2026 at 3:44 AM ET · Expires August 18, 2026 at 4:15 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Sioux Falls SD
Expires
August 18, 2026 at 4:15 AM ET
Last Checked
20 hours ago
What To Do
📋 Official NWS Guidance
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. They will send your report to the National Weather Service office in Sioux Falls.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in South Dakota
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Get Severe Thunderstorm Warning Alerts for Charles Mix County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Charles Mix County, South Dakota?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (20 hours ago). It's set to expire August 18, 2026 at 4:15 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Charles Mix County?
Download StormCast free on Google Play and set Charles Mix County, South Dakota as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Brule County.