Green Bay, Wisconsin – Smoke will linger across Green Bay on Monday, July 21, with reduced visibility and air quality concerns likely during the morning commute. By midday, skies are expected to clear, allowing temperatures to climb to 78°F — warmer than Sunday but with continued health risks for sensitive groups.
According to the National Weather Service, smoke from Canadian wildfires will remain in the region Monday morning before shifting east by afternoon. Winds will stay light, from the east around 5 to 9 mph, limiting dispersal. The air may still smell of smoke well into mid-day.
Green Bay residents with respiratory conditions should limit time outdoors and consider using air purifiers indoors. Travelers on I-41 and Highway 172 may encounter patchy haze, especially in low-lying or rural areas Monday morning.
By Monday night, conditions turn mostly clear with a low around 60°F, offering a brief calm before storm chances increase Tuesday evening. A 30% chance of showers and thunderstorms arrives after 1 p.m. Tuesday, rising to 40% Tuesday night and peaking Wednesday afternoon with a high near 92°F.
☀️ Five-Day Forecast: Green Bay, WI
- Monday, July 21: Areas of smoke then sunny. High 78°F.
- Tuesday: Mostly sunny early, then 30% chance of PM showers. High 82°F.
- Wednesday: 40% chance of storms. Hot and humid. High 92°F.
- Thursday: 50% chance of showers and storms. High 88°F.
- Friday: Storms possible again (30%). High 85°F.
More rain is possible Saturday, so check back daily for updated advisories.




