NWS feedSource freshLast successful check:
Active official alertUpdated

Severe Thunderstorm Watch for Lyon, IA; Plymouth, IA; Sioux, IA +22 more

Official alert fields

What you need to know

Applies to
Lyon, Plymouth, Sioux, Pipestone, Rock, Dixon, Aurora, Bon Homme and 17 more
Effective
Ends or expires
Official severity
Severe
Official urgency
Future
Official certainty
Possible

What is happening

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 639 IN EFFECT 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...

What the bulletin says to do

No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.

Full official description

Bulletin details

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 639 IN EFFECT 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.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Severe Thunderstorm Watch issued September 1 at 3:52PM CDT until September 1 at 11:00PM CDT by NWS Sioux Falls SD

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Sioux Falls SD. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections