Severe Thunderstorm Watch — Green Lake County, Wisconsin
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 18 at 2:49PM CDT until August 18 at 10:00PM CDT by NWS Milwaukee/Sullivan WI
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 595 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 17 COUNTIES IN EAST CENTRAL WISCONSIN FOND DU LAC SHEBOYGAN IN SOUTH CENTRAL WISCONSIN COLUMBIA DANE GREEN GREEN LAKE IOWA LAFAYETTE MARQUETTE ROCK SAUK IN SOUTHEAST WISCONSIN DODGE JEFFERSON OZAUKEE WALWORTH WASHINGTON WAUKESHA THIS INCLUDES THE CITIES OF ARGYLE, BARABOO, BARNEVELD, BEAVER DAM, BELMONT, BELOIT, BENTON, BERLIN, BLANCHARDVILLE, BRODHEAD, BROOKFIELD, CEDARBURG, COLUMBUS, DARLINGTON, DELAVAN, DODGEVILLE, EAST TROY, ELKHORN, ENDEAVOR, FOND DU LAC, FORT ATKINSON, GERMANTOWN, GRAFTON, HARTFORD, HOWARDS GROVE, JANESVILLE, JEFFERSON, LAKE GENEVA, LAKE WISCONSIN, LODI, MADISON, MARKESAN, MAYVILLE, MENOMONEE FALLS, MEQUON, MINERAL POINT, MONROE, MONTELLO, MUSKEG
Effective August 18, 2026 at 3:49 PM ET · Expires August 18, 2026 at 11:00 PM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Milwaukee/Sullivan WI
Expires
August 18, 2026 at 11:00 PM ET
Last Checked
just now
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Wisconsin
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Green 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 Green Lake County, Wisconsin?
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 August 18, 2026 at 11:00 PM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Green Lake County?
Download StormCast free on Google Play and set Green Lake County, Wisconsin 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 Waukesha County, Jefferson County, Walworth County, Dodge County, Marquette County, Columbia County, Fond du Lac County, Green County, Iowa County, Lafayette County, Ozaukee County, Rock County, Sauk County, Sheboygan County, Washington County, Dane County.