Twenty-four northern Michigan counties are under a heat advisory due to hot temperatures and high humidity that may cause heat stroke and exhaustion.
Manistee, Benzie, Grand Traverse and Wexford counties’ heat advisories are in effect noon Monday through 8 a.m. Tuesday.
The National Weather Service says that “a heat advisory can be issued for a heat index less than 100 when the cumulative effect of successive days of near advisory heat leads to potentially life-threatening conditions.”
Although actual temperatures of 90-95 degrees are expected, heat index values between 97 and 103 are possible.
“Overnight temperatures Monday night will struggle to get below 75 degrees. The hottest conditions are expected away from the immediate lakeshores,” the weather alert states.
The overall heat is projected to persist this week. Manistee County can expect daytime temperatures in the 90s most of the week with Friday being the first day to dip into the high 80s.
“The heat continues on Tuesday, although humidity values may be a touch lower,” the National Weather Service says. “Temperatures not quite as hot for mid-to-late week, with increasing chances of showers and storms by the end of the week.”
Most of the Upper Peninsula is under an extreme heat warning while Mid-Michigan and the Thumb areas have extreme heat watches in place this week.
The heat advisory states that people should “drink plenty of fluids, stay in an air-conditioned room, stay out of the sun and check up on relatives and neighbors.”
Anyone planning to be outside is urged to take extra precautions.
“Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening,” the advisory reads. “Take action when you see symptoms of heat exhaustion and heat stroke.”
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