A statewide Air Quality Alert remains in effect today as another round of Canadian wildfire smoke continues to drift across Michigan. While hazy skies will persist across Southeast Michigan through much of the day, forecast models indicate smoke concentrations should gradually decrease by this evening and tonight. The air quality is expected to be unhealthy for sensitive groups across Southeast Michigan. The thickest smoke is expected to shift westward and linger over portions of western Michigan.
Behind a cold front, northerly winds are ushering in a cooler and less humid air mass across the Great Lakes. Afternoon temperatures will be noticeably more comfortable, with highs reaching around 80 degrees, a few degrees below seasonal averages.
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The pleasant weather won’t last long, however, as the next weather system approaches early next week.
Showers and thunderstorms are expected to develop Monday night and continue into early Tuesday morning. Southeast Michigan is currently under a Marginal Risk (Level 1 of 5) for severe weather during this time. The greatest potential for stronger storms appears to be between 2 a.m. and 6 a.m. Tuesday, when a line of thunderstorms could move through the region. The primary threats will be damaging wind gusts and brief periods of heavy rainfall, although frequent lightning will accompany any thunderstorms that develop. Because the storms are expected overnight, it’s important to have multiple ways to receive weather warnings while you’re sleeping.
Temperatures will remain seasonable to start the week, with highs in the low to mid-80s on both Monday and Tuesday. A cooler pattern then settles in during the second half of the week, bringing afternoon highs back into the 70s and overnight lows dipping into the 50s, providing a refreshing taste of early fall-like air after the recent stretch of heat and humidity.