Dangerous heat grips parts of 13 states in South, Midwest

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Historically, cities such as Austin, Texas; Baton Rouge, Louisiana; Jackson, Mississippi; and Tallahassee, Florida experience less than a week's worth of days each year when the heat index is over 105 degrees (41 Celsius).

Up Next: The upper level ridge responsible for several days of high heat will retreat westward by mid-week.

According to the National Weather Service in Huntsville that city's heat index climbed as high as 110 degrees earlier this afternoon.

Our area was placed under an excessive heat warning Monday. Chatelain says heat-related issues can develop quickly when heat indices get this high. There is a severe thunderstorm watch out for areas of middle Tennessee until 9 p.m. Storm chances will increase after 7 p.m. over north Alabama. Strong isolated thunderstorms will produce damaging winds, frequent lightning and heavy rain. "There will be a big high-pressure ridge that will allow for a cool down". And, NEVER, leave children or pets in a closed-up vehicle!

Take extra precautions if you work or spend time outside.

Heat exhaustion and heat stroke are among the main threats in those areas.

Wear light weight and loose fitting clothing when possible and drink plenty of water. Anyone overcome by heat should be moved to a cool and shaded location.

Call 911 If you or someone you are observing has a health emergency.

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