Severe Thunderstorm Warning issued July 27 at 12:20PM CDT until July 27 at 1:00PM CDT by NWS Green Bay WI
Issue date: 2026-07-27T17:20+00:00
At 1220 PM CDT, a severe thunderstorm was located 6 miles south of High Cliff State Park, or 15 miles east of Oshkosh, moving south at 30 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Central Lake Winnebago and Northern Lake Winnebago around 1225 PM CDT. Chilton around 1230 PM CDT. St Anna around 1245 PM CDT. Other locations impacted by the severe thunderstorm include Kloten, Brant, Quinney, Stockbridge, Harrison, Brothertown, Hayton, Jericho, Charlesburg and New Holstein.
Tornado Warning issued July 27 at 12:17PM CDT until July 27 at 1:00PM CDT by NWS Green Bay WI
Issue date: 2026-07-27T17:17+00:00
TORGRB The National Weather Service in Green Bay has issued a * Tornado Warning for... Southwestern Calumet County in east central Wisconsin... Southeastern Winnebago County in east central Wisconsin... * Until 100 PM CDT. * At 1217 PM CDT, a confirmed and extremely dangerous tornado was located over Northern Lake Winnebago, or 10 miles northeast of Oshkosh, moving south at 35 mph. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Radar confirmed tornado. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Considerable damage to homes, businesses, and vehicles is likely and complete destruction is possible. * This tornado will be near... Central Lake Winnebago and Northern Lake Winnebago around 1220 PM CDT. Other locations impacted by the tornado include Winnebago, Neenah, Brothertown and Black Wolf Point.
Severe Thunderstorm Watch issued July 27 at 11:58AM CDT until July 27 at 3:00PM CDT by NWS Green Bay WI
Issue date: 2026-07-27T16:58+00:00
THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 519 TO INCLUDE THE FOLLOWING AREAS UNTIL 3 PM CDT THIS AFTERNOON IN WISCONSIN THIS WATCH INCLUDES 1 COUNTY IN EAST CENTRAL WISCONSIN WINNEBAGO THIS INCLUDES THE CITIES OF MENASHA, NEENAH, OSHKOSH, WINNEBAGO, AND WITTMAN FIELD.
Heat Advisory issued July 27 at 11:29AM CDT until July 27 at 7:00PM CDT by NWS Green Bay WI
Issue date: 2026-07-27T16:29+00:00
* WHAT...Heat index values 100 to 105, A few locations could top out around 108 degrees. * WHERE...Portage, Waushara, Wood, Winnebago, and Waupaca Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
