After heat wave peaks Friday and Saturday, relief is on the horizon for Labor Day

08/29/2013 8:50 AM

08/29/2013 8:50 AM

The Labor Day weekend will get off to a hot start with Friday and Saturday shaping up to be possibly the hottest days of the year.

But hang on. Labor Day looks like it might be quite pleasant, with highs reaching only to the lower- to middle-80s, according to the National Weather Service in Pleasant Hill.

First, though, temperatures are expected to climb into the middle to upper 90s Thursday afternoon, with the heat index reaching around 100 degrees.

It will be even hotter Friday and Saturday, as highs approach 100 degrees in some areas. The heat indices will reach as high as 104 degrees, according to the National Weather Service.

Because of the heat,

many Missouri high schools have changed kickoff times for Friday and Saturday games.

The good news is that the heat wave is expected to peak Friday and Saturday.

Overnight lows, however, will fall just into the upper 60s and lower 70s in most locations. There will be little relief for the urban core of Kansas City, as overnight lows will fall only to the upper 70s each night, according to the National Weather Service.

Because of the hot and humid conditions, people are urged to take precautions when outside, especially the young and those sensitive to the heat.

Those venturing outdoors are encouraged to drink plenty of water, take frequent breaks and wear light-weight, loose-fitting clothing.

A cold front will arrive Sunday, bringing the possibility of thunderstorms, primarily to northern Missouri. Then much cooler air will move in.

Highs Sunday are expected to be in the lower- to middle-90s.

Labor Day will see highs in the lower- to middle-80s and dryer conditions. Humidity levels are expected to plummet, too.

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