A large segment of the state of Mississippi is under a heat advisory, with the heat index exceeding 105 degrees and nearing 110 in places, according to the National Weather Service.
From the NWS:
Heat index values will reach or exceed 105 degrees across much of the Mid-South this afternoon and in some areas Tuesday. A Heat Advisory is in effect through 7 PM today. There is a potential for a complex of storms to move southeast into the Tennessee Valley after sunset, though confidence remains low. Damaging winds will be the primary hazard.
A Marginal Risk for severe weather is in effect for portions of northwest Tennessee. A few additional strong storms are possible Tuesday and Wednesday.
HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING… *
WHAT…Heat index values between 105 and 109 expected. * WHERE…Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. *
WHEN…From noon to 7 PM CDT Monday. *
IMPACTS…Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS… Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening.
Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.