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Updated June 10, 2026, 8:21 a.m. ET
The National Weather Service has issued a heat advisory for noon to 8 p.m. Wednesday, June 10, across most of southern Michigan with the heat index expected to top 100 degrees.
The advisory includes Berrien, VanBuren, Kalamazoo, Calhoun, Jackson, Cass, St. Joseph, branch, Hillsdale, Lenawee, Macomb, Monroe, Oakland, Washtenaw and Wayne counties, according to the National Weather Service Detroit/Pontiac office.
Highs across southern Michigan could reach 90 degrees on Wednesday. Humidity levels will top 70%. The heat index could reach 101 degrees as the heat and humidity could lead to the risk of heat illnesses, the NWS said.
The weather agency urges people to stay indoors in air-conditioning, stay hydrated, check on loved ones and avoid leaving children or pets in parked vehicles.
“Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke,” the NWS says.
Here’s what to know about the southeast Michigan heat advisory.
When is the heat advisory in effect?
The heat advisory is in effect from noon until 8 p.m. Wednesday, June 10, per the National Weather Service office in White Lake. The heat index is expected to reach up to 101 degrees, with a risk of heat illnesses amid hot temperatures and high humidity.
Where is the heat advisory in effect?
The advisory includes Berrien, VanBuren, Kalamazoo, Calhoun, Jackson, Cass, St. Joseph, branch, Hillsdale, Lenawee, Macomb, Monroe, Oakland, Washtenaw and Wayne counties, according to the National Weather Service Detroit/Pontiac office.
What does a heat advisory mean?
A heat advisory is issued for dangerous heat conditions that are not expected to reach warning criteria.
You should consider postponing or rescheduling strenuous outdoor activities, especially during the heat of the day. If you must be outside, be sure to drink plenty of water, dress in light clothing and take frequent breaks in the shade.
Stay in a cool, air-conditioned place and stay hydrated, especially during the heat of the day and evening.
Never leave children or pets in parked vehicles and check on relatives and neighbors, the NWS advises.
How can you tell you’re getting too hot?
Your body will begin to signal to you that something’s wrong amid extreme heat. Here are some symptoms of heat exhaustion, per the Mayo Clinic:
Faintness
Heavy sweating
Fatigue
Muscle cramps
Cool, moist skin with goose bumps in the heat
Headache
Weak, rapid pulse
Nausea
Dizziness
Low blood pressure upon standing
What can you do to keep cool?
Good practices can lower your risk of health issues and keep your body heat down, per the American Red Cross and the World Health Organization. Here are some tips to keep in mind:
Stay hydrated: Drink plenty of water throughout the day, even if you don’t feel thirsty. Avoid excessive amounts of sugary drinks, caffeine or alcohol, as they can contribute to dehydration.
Dress cool: Wear loose-fitting and light-colored clothing to help your body stay cool. Wearing a hat and sunglasses can also provide additional protection from the sun.
Sweet dreams: Sleep with light, loose-fitting bed linens.
Avoid rays: Limit your exposure to direct sunlight, especially during the hottest parts of the day (usually between 10 a.m. and 4 p.m.) to reduce your risk of sunburn and overheating.
Lather up: Apply sunscreen before heading out.
Catch a breeze: Turn on fans or air conditioning to cool down indoor spaces.
Rinse off: Refresh yourself with cool showers or baths to lower your body temperature. Use a damp cloth, spray bottle or wet clothes to wet your skin.
Take a break: Avoid strenuous activities to minimize physical exertion during the hottest parts of the day.
Stay alert: Pay attention to weather forecasts and heat advisories. Be aware of any heat warnings in your area and take necessary precautions.
Look out for others: If possible, check on elderly neighbors, young children and people with health conditions who may be more susceptible to heat-related issues.
USA TODAY Network contributed.
Contact Jenna Prestininzi: [email protected].
