First published 10/9/2026, 3:15:15 AM UTC · Last updated 10/9/2026, 3:15:15 AM UTC

Severe Thunderstorm Warning issued October 8 at 10:02PM CDT until October 8 at 10:45PM CDT by NWS Sioux Falls SD

The National Weather Service in Sioux Falls issued a severe thunderstorm warning for northeastern Clay County and northwestern Union County, South Dakota. The storm was reported to produce half-dollar-size hail, with people instructed to shelter indoors and stay away from windows.

Why it matters

The warning instructed people in the affected area to take shelter inside a well-built structure and stay away from windows.

Location

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Sources

Primary official sourceSevere Thunderstorm Warning issued October 8 at 10:02PM CDT until October 8 at 10:45PM CDT by NWS Sioux Falls SD

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