HUNTSVILLE, Ala. (WHNT) -- It will be an extremely hot and humid start to the week for the Tennessee Valley.

A Weather Authority Impact Day has been issued for both Monday and Tuesday this week because of the threat of dangerous heat and humidity. Air temperatures are forecast to range from the low to mid and upper 90s.

The National Weather Service in Huntsville has issued a Heat Advisory from 10 a.m. Monday until 8 p.m., Tuesday, because of the high heat index expected. Counties included in the advisory are Colbert, Cullman, Franklin (AL), Lauderdale, Lawrence, Limestone, Lincoln, Madison, and Morgan counties.

Along with the hot air mass in place, dew points are forecast to rise into the low to mid 70s, making it feel tropical and uncomfortable across the area.

The combination of high

See Full Page