Severe Thunderstorm Warning — Lake 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 5:51AM CDT until August 7 at 6:00AM CDT by NWS Sioux Falls SD
The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail and gusty winds are still possible with this thunderstorm.
Effective August 7, 2026 at 6:51 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
2 hours ago
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in South Dakota
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Lake 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 Lake 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 (2 hours 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 Lake County?
Download StormCast free on Google Play and set Lake 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 McCook County.