Hot and humid Sunday ahead for Southeast Michigan
Metro Detroit is facing another sweltering day this Sunday, with temperatures climbing back up to around 90°F (32°C). Haze, intense humidity, and the possibility of afternoon storms will shape the weather experience across the region.
Storm chances building Sunday afternoon
After a sticky and smoky start to the weekend, conditions are shifting. Partly cloudy skies in the early morning will give way to scattered showers and thunderstorms beginning in the afternoon, especially after 3 p.m. across Southeast Michigan. Some of these isolated storms could turn strong, bringing brief downpours and gusty winds.
The heat index will likely push into the mid- to upper-90s°F (35–37°C), making it feel even hotter. A cold front will cross the Metro Detroit area Sunday evening, helping to cool things down slightly overnight, with lows dropping to the mid- to upper-60s°F (18–20°C) by late Sunday night.
Improving air quality after Saturday night
An Air Quality Advisory that had been in effect for Wayne, Oakland, Macomb, Washtenaw, Livingston, St. Clair, and Monroe Counties expired Saturday at 11:59 p.m., as smoke from wildfires and fireworks had caused pollution levels deemed unhealthy for sensitive groups. Saturday night brought a noticeable improvement in air quality, with clearer skies and overnight lows settling in the lower 70s°F (21–22°C).
Milder start to the workweek
Monday will offer a brief break from the recent heat and humidity. Expect highs in the lower- to mid-80s°F (28–29°C) and a significant drop in moisture, bringing some temporary relief. However, this cool-down may not last long—another round of rain and storms is forecast to arrive between Wednesday and Thursday, reviving the summer storm pattern.
Tracking Tropical Storm Chantal
In the Atlantic, Tropical Storm Chantal, which became a named storm Saturday morning, is tracking toward the U.S. coast. It’s expected to become the first named storm of the season to impact the United States, with a likely landfall in South Carolina early Sunday. Chantal brings the risk of flooding and gusty winds, but it is forecast to weaken quickly after landfall and merge with a cold front moving through the Mid-Atlantic region.
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