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The National Weather Service has called for a heat advisory until 8 p.m. Monday for Wayne, Oakland and Macomb counties. 

Temperatures in the area Monday are expected to reach a high in the upper 80s to lower 90s, according to meteorologists at the agency's White Lake Township office. The low Monday is predicted to fall to 75 degrees.

They said the high temperatures coupled with high humidity — dew points are expected to top out in the 70s — will make it feel more like 100 degrees Monday afternoon and early evening. The heat indices are expected to remain about 80 degrees overnight.

The hot and humid air could be dangerous for the elderly and people with health conditions.

The weather service issues a Heat Advisory within 12 hours of the onset of extremely dangerous heat conditions. Its general rule of thumb for an advisory is when the maximum heat index temperature is expected to be 100 degrees or higher for at least 2 days, and night time air temperatures will not drop below 75 degrees. The criteria can vary across the country, however, especially for areas that are not used to dangerous heat conditions.

Meteorologists with the weather service also predict hot and humid conditions will stick around through Tuesday, when the heat indices will again hit near 100 degrees. Tuesday's high could reach 91 degrees and its low may fall only to 75 degrees.

They also said there is a slight risk for severe thunderstorms later Tuesday and Tuesday night.

The heat advisory has prompted at least one community to open a cooling center for residents.

Farmington Hills is making its Costick Center available to residents until 11 p.m. Monday and from 6 a.m. to 11 p.m. Tuesday. The center is located at 28600 W. 11 Mile near Middle Belt Road.

Some relief is expected Wednesday, due to a cold front that will push through the state, according to the agency's forecast.

Metro Detroit's average monthly temperature for August is 81.4 degrees. The record for the hottest Aug. 27 in Metro Detroit was 98 degrees set in 1948, according to the weather service. The day's record low was 47 degrees in 1915.

Extended forecast

Tuesday: Sunny with a high near 91 degrees and a low of about 75 degrees. A chance of showers and thunderstorms Tuesday night.

Wednesday: Mostly cloudy with a high near 84 degrees and a low of about 63 degrees. There's a chance of showers in the morning with thunderstorms possible after 2 p.m.

Thursday: Partly sunny with a high near 76 degrees and a low of about 60 degrees.

Friday: Sunny with a high near 78 degrees and a low of about 65 degrees.

Saturday: Mostly sunny with a high near 84 degrees and a low of about 69 degrees. There's a chance of showers and thunderstorms.

Sunday: Mostly cloudy with a high near 83 degrees. There's also a chance of showers and thunderstorms.

Source: National Weather Service

cramirez@detroitnews.com

Twitter: @CharlesERamirez

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