Severe Thunderstorm Warning — Hanson 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 7 at 5:23AM CDT until August 7 at 6:00AM CDT by NWS Sioux Falls SD
At 523 AM CDT, a severe thunderstorm was located just northwest of Salem, or 20 miles northwest of Lake Vermillion State Recreation Area, moving southeast at 35 mph. HAZARD...Tennis ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Salem, Montrose, Lake Vermillion State Recreation Area and Canistota.
Effective August 7, 2026 at 6:23 AM ET · Expires August 7, 2026 at 7:00 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Sioux Falls SD
Expires
August 7, 2026 at 7:00 AM ET
Last Checked
29 minutes ago
What To Do
📋 Official NWS Guidance
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows.
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Get Severe Thunderstorm Warning Alerts for Hanson County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Hanson 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 (29 minutes ago). It's set to expire August 7, 2026 at 7:00 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Hanson County?
Download StormCast free on Google Play and set Hanson 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.