Severe Thunderstorm Watch — Lake County, South Dakota
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued September 1 at 9:51PM CDT until September 1 at 11:00PM CDT by NWS Sioux Falls SD
SEVERE THUNDERSTORM WATCH 639 REMAINS VALID UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES IN SOUTHWEST MINNESOTA PIPESTONE ROCK IN SOUTH DAKOTA THIS WATCH INCLUDES 18 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 YANKTON THIS INCLUDES THE CITIES OF ALEXANDRIA, ARMOUR, AVON, BRIDGEWATER, BURKE, CANISTOTA, CANTON, CENTERVILLE, CHANCELLOR, CLAYTON, CORSICA, DELMONT, EMERY, FLANDREAU, FREEMAN, GREGORY, HARRISBURG, HOWARD, HURLEY, IRENE, LAKE ANDES, LENNOX, LUVERNE, MADISON, MARION, MARTY, MENNO, MITCHELL, MONTROSE, ORLAND, PARKER, PARKSTON, PIPESTONE, PLANKINTON, PLATTE, SALEM, SCOTLAND, SIOUX FALLS, S
Effective September 1, 2026 at 10:51 PM ET · Expires September 2, 2026 at 12:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Sioux Falls SD
Expires
September 2, 2026 at 12:00 AM ET
Last Checked
just now
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in South Dakota
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Lake County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Lake County, South Dakota?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (just now). It's set to expire September 2, 2026 at 12:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Lake County?
Download StormCast free on Google Play and set Lake County, South Dakota as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Yankton County, Gregory County, Pipestone County, Rock County, Bon Homme County, Charles Mix County, Clay County, Davison County, Douglas County, Hanson County, Hutchinson County, Lincoln County, McCook County, Miner County, Minnehaha County, Sanborn County, Turner County, Moody County, Aurora County.