* WHAT...FOR THE EXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONSWITH HEAT INDEX VALUES UP TO 110. FOR THE HEAT ADVISORY, HEAT INDEX VALUES UP TO 106 EXPECTED.

* WHERE...JOHNSTON, MARSHALL, CARTER, AND LOVE COUNTIES.

* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING. FOR THE HEAT ADVISORY, FROM NOON TO 8 PM CDT WEDNESDAY.

* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME HEAT AND HIGH HUMIDITY EVENTS. HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT ILLNESSES.