Severe Severe Storm ● Closed

Severe Thunderstorm Watch issued September 7 at 7:07PM CDT until September 8 at 2:00AM CDT by NWS Sioux Falls SD, United States of America

Event time: Sep 8, 2026 00:07 UTC Last updated: Sep 17, 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.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
664 IN EFFECT UNTIL 2 AM CDT TUESDAY FOR THE FOLLOWING AREAS

IN SOUTH DAKOTA THIS WATCH INCLUDES 20 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

BROOKINGS KINGSBURY LAKE
MINER MOODY SANBORN

IN SOUTH CENTRAL SOUTH DAKOTA

AURORA CHARLES MIX DOUGLAS
GREGORY

IN SOUTHEAST SOUTH DAKOTA

BON HOMME CLAY DAVISON
HANSON HUTCHINSON LINCOLN
MCCOOK MINNEHAHA TURNER
YANKTON

THIS INCLUDES THE CITIES OF ALEXANDRIA, ARLINGTON, ARMOUR, AVON,
BRIDGEWATER, BROOKINGS, BURKE, CANISTOTA, CANTON, CENTERVILLE,
CHANCELLOR, CLAYTON, CORSICA, DE SMET, DELMONT, EMERY, FLANDREAU,
FREEMAN, GREGORY, HARRISBURG, HOWARD, HURLEY, IRENE, LAKE ANDES,
LAKE PRESTON, LENNOX, MADISON, MARION, MARTY, MENNO, MITCHELL,
MONTROSE, ORLAND, PARKER, PARKSTON, PLANKINTON, PLATTE, SALEM,
SCOTLAND, SIOUX FALLS, SPRINGFIELD, STICKNEY, TABOR, TEA, TRIPP,
TYNDALL, VERMILLION, VIBORG, WAGNER, WHITE LAKE, WOONSOCKET,
AND YANKTON.

Measurements

Coordinates	39.9645, -100.8105
Region	Aurora, SD; Bon Homme, SD; Brookings, SD; Charles Mix, SD; Clay, SD; Davison, SD; Douglas, SD; Gregory, SD; Hanson, SD; Hutchinson, SD; Kingsbury, SD; Lake
Location Precision	country
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Future
Cap Certainty	Possible
Cap Expires	2026-09-08T02:00:00-05:00

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

This event as JSON · API and licence

Source updated 41 days ago (Sep 8, 2026 00:08 UTC) · we last heard from WMO Alert Hub (national weather services) 25 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Aurora, SD; Bon Homme, SD; Brookings, SD; Charles Mix, SD; Clay, SD; Davison, SD; Douglas, SD; Gregory, SD; Hanson, SD; Hutchinson, SD; Kingsbury, SD; Lake

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

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.

Severe Thunderstorm Warning — Butler, PA; Venango, PA Severe Severe Storm United States closed via NWS Aug 9, 2026 Severe Thunderstorm Warning — Butler, OH; Montgomery, OH; Preble, OH; Warren, OH Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Finney, KS; Kearny, KS Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Butler, PA; Venango, PA Severe Severe Storm United States closed via NWS Aug 8, 2026

Nearby & related events

Wind Advisory issued October 19 at 1:35PM AKDT until October 20 at 10:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 19 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 19 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00AM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 19 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 21 at 4:00AM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 20 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 20 at 10:00PM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 20 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.