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STATEWIDE–There is an excessive heat warning in effect for all of Indiana Tuesday and Wednesday, according to the National Weather Service.

Tuesday is supposed to be the hottest day of the week.

“High temperatures are going to be close to 100 degrees in many places, but a few of them could hit that 100-degree mark. The big issue is the humidity, which will bump the heat index up to 110 degrees in many places,” said Mark Eckhoff, meteorologist with the National Weather Service in Indianapolis.

The Indiana Department of Environmental Management has declared Tuesday an Air Quality Action Day for all 92 counties in the state.

“That means the air will become elevated in terms of pollution and because of the stagnant nature of the air. If you have breathing issues, you should take note of the poor air conditions,” said Eckhoff.

Even if you don’t have those issues, Eckhoff recommends drinking lots of water and staying inside as much as possible.

“There is a slight chance of rain showers and thunderstorms Wednesday night into Thursday. That comes with a cold front, which will give us a break from the heat later in the week,” said Eckhoff.

Eckhoff believes the temperatures will cool down as the week goes on.

LISTEN: Full interview with Mark Eckhoff