Forecasters are warning of dangerously hot weather across a wide stretch of the U.S. South and Midwest.
A National Weather Service heat advisory will remain in effect through Tuesday evening, and thunderstorms also may be expected, authorities said. Tuesday's heat index has placed most of these states well over 100 degrees, with some areas facing temperatures over 110 degrees. This is officially the hottest day of the year for most of the area and the heat index values above 100 degrees will linger into this evening.
Some of the problems indicating heat exhaustion include a weak or rapid pulse, headache, low blood pressure when standing, dizziness and nausea. "If you're going out in the summer, prepare for the worst". Farmers just now able to reach their land.
Cooling stations were open in several cities, including Tulsa, Memphis, and Little Rock, Arkansas, officials said.More news: Ivorian singer DJ Arafat, 33 dies in traffic accident
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They remind the community that a "heat advisory" means that a period of hot temperatures are expected and that with hot temperatures, it will create a situation in which heat illness is possible.
Dunn said the Lampasas area will see a 30 percent chance of thunderstorms, though most of the storm activity probably will occur to the north.
IMPACTS.Dangerously high temperatures and humidity could quickly cause heat stress or heat stroke if precautions are not taken. The number of days would increase to 57 in Baton Rouge; 52 in Jackson; and 50 in Tallahassee.
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