Met Mailbag is your chance to have a Weather Plus Meteorologist answer your weather question. Each Thursday, our NBC Weather Pulse Blog will publish the answers to questions you send us. This week's question was answered by NBC Weather Plus Meteorologist Jackie Meretsky.

Question: Why does humidity make it feel hotter?
Submitted by Carlos Roche, Temperance, Michigan

Answer: This is a very timely question considering the oppressive heat and humidity that is blanketing the East!

The reason humidity makes it feel hotter is it makes it harder for your body to expel heat. Believe it or not, your body naturally cools itself by sweating. Sweat in turn evaporates into the air. The warmer molecules in those sweat droplets evaporate first, leaving the cooler ones behind and, in turn, make you feel cooler.

However, if there is more moisture in the air, it's harder for water to evaporate, so it's harder to cool off, thus making you feel hotter.

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