Severe Thunderstorm Warning — Tripp 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 12 at 12:22AM CDT until August 12 at 1:15AM CDT by NWS Rapid City SD
At 1222 AM CDT, severe thunderstorms were located along a line from over Carter to 5 miles northwest of Sicangu Village, or along a line from 20 miles west of Winner to 16 miles south of Mission, moving southeast at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR OKREEK, WITTEN, WINNER, COLOME. HAZARD...100 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Expect considerable damage to homes and businesses. Expect extensive tree damage and power outages. Locations impacted include... Winner, Mission, Rosebud, Saint Francis, Colome, Okreek, Wood, Carter, Millboro, Mosher, Keyapaha, Witten, Hidden Timber, Clearfield, Littleburg, Butte Creek, Antelope, Sicangu Village, Ideal South Housing and Lakeview.
Effective August 12, 2026 at 1:22 AM ET · Expires August 12, 2026 at 2:15 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Rapid City SD
Expires
August 12, 2026 at 2:15 AM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Seek shelter now inside an interior room on the lowest floor of a well-built structure. These storms have produced widespread destructive winds and are capable of producing large hail. This is a dangerous situation with winds expected to produce damage similar to a tornado. Move to an interior room on the lowest floor of a well-built structure. Mobile homes and high profile vehicles are at an enhanced risk for damage. This storm has a history of producing damaging winds.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in South Dakota
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning Alerts for Tripp County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Tripp 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 minutes ago). It's set to expire August 12, 2026 at 2:15 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Tripp County?
Download StormCast free on Google Play and set Tripp 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 Mellette County, Todd County.