# Severe Thunderstorm Watch: Lyon, IA; Plymouth, IA; Sioux, IA; Pipestone, MN; Rock, MN; Dixon, NE; Aurora, SD; Bon Homme, SD; Charles Mix, SD; Clay, SD; Davison, SD; Douglas, SD; Gregory, SD; Hanson, SD; Hutchinson, SD; Lake, SD; Lincoln, SD; McCook, SD; Miner, SD; Minnehaha, SD; Moody, SD; Sanborn, SD; Turner, SD; Union, SD; Yankton, SD — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/5c49fe8bd03244c1

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-01 20:17 ingested 2026-09-02 02:52

[original source ↗](http://www.weather.gov/)

## extract

Severe Thunderstorm Watch — Lyon, IA; Plymouth, IA; Sioux, IA; Pipestone, MN; Rock, MN; Dixon, NE; Aurora, SD; Bon Homme, SD; Charles Mix, SD; Clay, SD; Davison, SD; Douglas, SD; Gregory, SD; Hanson, SD; Hutchinson, SD; Lake, SD; Lincoln, SD; McCook, SD; Miner, SD; Minnehaha, SD; Moody, SD; Sanborn, SD; Turner, SD; Union, SD; Yankton, SD
Severity: Severe. Certainty: Possible.
SEVERE THUNDERSTORM WATCH 639 REMAINS VALID UNTIL 11 PM CDT THIS
EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 3 COUNTIES

IN NORTHWEST IOWA

LYON                  PLYMOUTH              SIOUX

IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES

IN SOUTHWEST MINNESOTA

PIPESTONE             ROCK

IN NEBRASKA THIS WATCH INCLUDES 1 COUNTY

IN NORTHEAST NEBRASKA

DIXON

IN SOUTH DAKOTA THIS WATCH INCLUDES 19 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

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
UNION                 YANKTON

THIS INCLUDES THE CITIES OF ALCESTER, ALEXANDRIA, ALLEN, ARMOUR,
AVON, BERESFORD, BRIDGEWATER, BURKE, CANISTOTA, CANTON,
CENTERVILLE, CHANCELLOR, CLAYTON, CORSICA, DELMONT, ELK POINT,
EMERY, FLANDREAU, FREEMAN, GEORGE, GREGORY, HARRISBURG, HAWARDEN,
HOWARD, HULL, HURLEY, INWOOD, IRENE, JEFFERSON, LAKE ANDES,
LARCHWOOD, LE MARS, LENNOX, LUVERNE, MADISON, MARION, MARTY,
MENNO, MITCHELL, MONTROSE, NORTH SIOUX CITY, ORANGE CITY, ORLAND,
PARKER, PARKSTON, PIPESTONE, PLANKINTON, PLATTE, PONCA,
ROCK RAPIDS, ROCK VALLEY, SALEM, SCOTLAND, SIOUX CENTER,
SIOUX FALLS, SPRINGFIELD, STICKNEY, TABOR, TEA, TRIPP, TYNDALL,
VERMILLION, VIBORG, WAGNER, WAKEFIELD, WHITE LAKE, WOONSOCKET,
AND YANKTON.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.