* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 108POSSIBLE IN SOUTHWEST IOWA AND THE OMAHA METRO.

* WHERE...IN IOWA, FREMONT, MILLS, MONTGOMERY, PAGE, AND POTTAWATTAMIE COUNTIES. IN NEBRASKA, DOUGLAS AND SARPY COUNTIES.

* WHEN...FROM SUNDAY AFTERNOON THROUGH TUESDAY EVENING.

* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME HEAT AND HIGH HUMIDITY EVENTS.

* ADDITIONAL DETAILS...HEAT INDICES OVERNIGHT FALL ONLY INTO THE MID-70S PREVENTING UNCOOLED HOMES FROM DISPERSING THE DAY\'S HEAT. THE DANGEROUS HEAT MAY LINGER WELL PAST TUESDAY THROUGH MUCH OF THE WORK WEEK.