Duluth, MN – Summer haze lingers over northern Minnesota as Duluth residents brace for smoky skies and rising humidity Sunday, July 20th — with a shift to stormier weather expected by Monday night.
According to the National Weather Service in Duluth, areas of smoke will persist throughout Sunday under mostly sunny skies, with highs near 74°F. Winds will remain light but turn from the north to east, keeping air quality conditions a concern through the day. Monday brings a 40% chance of showers starting after 1 p.m., with isolated thunderstorms possible into the evening and Monday night. Winds will increase slightly from the east, and gusts may reach up to 15 mph.
By Tuesday and Tuesday night, thunderstorm chances increase significantly, with rain likely after midnight. Travelers along I-35 and regional highways should plan for potential visibility issues and slick roads. Winds from the southeast could gust to 15 mph, increasing storm movement across northeastern Minnesota.
The week remains unsettled, with scattered showers and thunderstorms possible through Thursday morning. Daily highs will hover in the mid-to-upper 70s. Wednesday appears to be the warmest day, with highs approaching 78°F and increased storm potential in the early morning.
Residents should remain alert for changing conditions and check weather updates daily. Charge mobile devices, prepare backup plans for outdoor events, and limit outdoor activity during poor air quality periods.
🌤 Five-Day Duluth Forecast: July 20–25
- Sunday: Mostly sunny, smoky; high 74°F
- Monday: Showers after 1 p.m.; high 73°F
- Tuesday: Thunderstorms likely after midnight; high 77°F
- Wednesday: Storms early, then partly sunny; high 78°F
- Thursday: Slight chance of storms; high 78°F
- Friday: Mostly sunny, slight shower risk; high 81°F
