Green Bay, WI – Travelers across northeast Wisconsin should stay alert as fog and storms line up for the week ahead. Drivers heading along Highway 41 late tonight into Monday morning may face reduced visibility, with dense fog pockets dropping conditions below a quarter mile.
According to the National Weather Service in Green Bay, locally dense fog will develop after midnight Sunday and could linger into early Labor Day morning. Later in the week, thunderstorms return, with the strongest chance arriving Wednesday into Wednesday evening, bringing a 70 to 80 percent likelihood of widespread rainfall.
Labor Day itself looks favorable for outdoor plans. Sunshine dominates Green Bay and surrounding areas with highs near 79°F and calm winds, though morning fog could briefly slow early travel. By Tuesday, skies remain mostly sunny before rain chances increase Tuesday night.
Wednesday poses the greatest disruption. Showers and storms are expected to expand by afternoon, with potential for heavy rain and slick roads during the evening commute. Motorists are urged to allow extra travel time and avoid flooded roadways. Spotters are asked to report visibility issues and storm activity to the National Weather Service.
Cooler air filters in behind the storms, dropping daytime highs into the upper 60s by midweek before moderating again late week. Residents should use the early-week calm to prepare for wet conditions by Wednesday.
Warnings remain possible if storms strengthen. Travelers are advised to monitor updates and stay cautious on major routes, especially U.S. 41 and surrounding county roads.
Five-Day Forecast for Green Bay, WI:
- Monday (Labor Day): Sunny, high 79°F, morning fog possible. Low 55°F.
- Tuesday: Mostly sunny, high 79°F. Showers possible overnight. Low 59°F.
- Wednesday: Showers and thunderstorms likely, high 68°F. Low 45°F.
- Thursday: Mostly sunny with a slight chance of showers. High 70°F. Low 50°F.
- Friday: Sunny, high 74°F. Low near 52°F.
