Extreme Heat Warning

* WHAT...For the Extreme Heat Warning this evening, dangerously hot conditions with heat index values up to 107. For the Extreme Heat Warning on Thursday, dangerously hot conditions with heat index values up to 110 expected.

* WHERE...Pontotoc, Atoka, Bryan, Coal, Johnston, Marshall, Carter, Garvin, Love, and Murray Counties.

* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from 1 PM to 8 PM CDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.