Green Bay, Wisconsin – Wildfire smoke continues to choke parts of northeast Wisconsin this morning, but the bigger threat is building heat and thunderstorms arriving Thursday into the weekend. Heat indices could spike into the mid-90s by Friday, with repeated chances for strong to marginally severe storms starting late Thursday.
According to the National Weather Service in Green Bay, smoke from Canadian wildfires should thin out by this afternoon, but an Air Quality Advisory remains in effect for sensitive groups until at least Wednesday morning. A wave of scattered thunderstorms is expected to develop Thursday afternoon and evening, with some capable of gusty winds and brief downpours.
Thursday: Slight chance of storms late morning; higher risk after 1 p.m. Some could be strong across Green Bay, Sturgeon Bay, and Shawano.
Friday: Dangerous heat builds, with highs near 90°F and heat indices up to 95°F. Slight storm chance in the afternoon.
Saturday–Monday: Daily storm chances return, especially Saturday evening. Temperatures remain in the high 80s.
Residents should limit outdoor activity during poor air quality periods, especially those with asthma or heart conditions. By Friday, focus will shift to managing heat exposure and keeping tabs on potential weekend thunderstorms.
Five Day Forecast for Green Bay, Wisconsin:
- Wednesday: High 85°F, patchy smoke early, mostly sunny
- Thursday: High 87°F, thunderstorms likely after 1 p.m.
- Friday: High 89°F, humid, slight storm chance
- Saturday: High 89°F, storms likely by evening
- Sunday: High 87°F, chance of afternoon storms