Extreme Heat Warning Until Tuesday Night

HATTIESBURG, Miss (THN News) - Prepare for extreme heat starting Monday, July 28th at 10:00am. The warning stays in effect until Tuesday Night at 8:00pm.

Monday is sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph in the morning. Then Monday Night is mostly clear, with a low around 77. Calm wind.

Tuesday, there's a 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming north around 5 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night is a 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.