Heat index values may approach 105 degrees Thursday afternoon

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It may feel as hot as 105 degrees in a few places during the middle of the afternoon (Image: WHNT News 19)

It may feel as hot as 105 degrees in a few places during the middle of the afternoon (Image: WHNT News 19)

HUNTSVILLE, Ala. (WHNT)– An area of high pressure located over the northeast Gulf of Mexico keeps a flow of very humid air blowing into the Tennessee Valley Thursday.

The added humidity may make it feel as hot as 105 degrees Thursday afternoon, especially for communities west of Interstate 65. More humid air feels hotter simply because your body has a harder time cooling off.

Sweating is your body’s natural way of trying to keep itself cool. When it’s humid, there is more water in the air, and sweat has a harder time evaporating from your skin. When evaporation doesn’t happen, you don’t cool off.

Expect afternoon highs in the low and middle 90s across the Valley, with the more extreme heat still just west of us.

A weather pattern change next week may offer slightly better rain chances and a very small drop in temperatures. Read the forecast discussion here.

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