Extreme Heat Warning

* WHAT...For the Heat Advisory, heat index values up to 98. For the Extreme Heat Warning, dangerously hot and humid conditions with heat index values up to 101 expected.

* WHERE...Wadena and East Otter Tail Counties.

* WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the Extreme Heat Warning, from 8 AM Sunday to 1 AM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* ADDITIONAL DETAILS...Overnight relief Sunday night into Monday morning will be minimal, with overnight low temperatures remaining in the mid 70s along with high humidity.