Green Bay, Wis. – Residents across central and northeast Wisconsin are bracing for a stretch of dangerous heat and severe weather, with the most intense conditions expected from Tuesday evening through Thursday. Temperatures and humidity will spike, sending heat index values soaring into the 100s, especially in cities like Appleton, Wautoma, and Wisconsin Rapids. Travel hazards from heavy rain and thunderstorms could disrupt commutes and local events.
According to the National Weather Service in Green Bay, Tuesday night marks the next likely window for storms, especially across northern counties. Rain and thunderstorm chances climb sharply midweek, with some locations seeing up to a 75% risk of precipitation on Wednesday and Thursday. The risk extends to Appleton, Marshfield, and Waupaca, where localized flooding may occur. Forecasters also warn of dangerously high heat indices, peaking Wednesday, when values may exceed 105°F in Appleton, Wautoma, and Wisconsin Rapids.
Motorists should watch for water on roads and reduced visibility during storms. Those working or playing outside are urged to take frequent breaks, hydrate, and avoid peak afternoon hours. Residents should charge devices, check on vulnerable neighbors, and monitor for additional warnings as more rounds of storms are possible through Thursday…