Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 27 at 10:18AM CDT until September 27 at 11:00AM CDT by NWS Aberdeen SD, United States of America

Event time: Last updated: Oct 6, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

At 1018 AM CDT, a severe thunderstorm was located 10 miles north of
Grey Goose, or 14 miles west of Onida, moving east at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

This severe thunderstorm will be near...
Sully Lake around 1045 AM CDT.
Onida around 1055 AM CDT.

Measurements

Coordinates44.6580, -100.3080
RegionSully, SD
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyImmediate
Cap CertaintyObserved
Cap Expires2026-09-27T11:00:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: WMO

This event as JSON · API and licence

Source updated 22 days ago (Sep 27, 2026 15:19 UTC) · we last heard from WMO Alert Hub (national weather services) 2 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Special Marine Warning — Delaware Bay waters north of East Point NJ to Slaughter Beach DE; Delaware Bay waters south of East Point NJ to Slaughter Beach DE Severe Severe Storm United States closed via NWS Aug 28, 2026 Special Marine Warning — Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm; Coastal Waters From Ochlockonee River to Apalachicola FL out to 20 Nm; Coastal waters from Suwannee River to Keaton Beach out 20 NM; Wa Severe Severe Storm United States closed via NWS Aug 28, 2026 Special Marine Warning — Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM; Waters from Okaloosa-Walton C Severe Severe Storm United States closed via NWS Aug 28, 2026 Special Marine Warning — Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM Severe Severe Storm United States closed via NWS Aug 28, 2026

Nearby & related events

Gale Warning issued October 19 at 3:34PM AKDT until October 20 at 1:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 1 min ago Gale Warning issued October 19 at 3:34PM AKDT until October 20 at 10:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 1 min ago Gale Warning issued October 19 at 3:34PM AKDT until October 19 at 7:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 1 min ago Gale Warning issued October 19 at 3:34PM AKDT until October 20 at 7:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 1 min ago Flood Watch issued October 19 at 3:22PM AKDT until October 21 at 4:00AM AKDT by NWS Juneau AK, United States of America Severe Flood United States active via WMO 13 min ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.