Extreme Heat Warning

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 95. For the Heat Advisory, heat index values up to 98 expected.

* WHERE...Dawson, Eastern Roosevelt, and Richland Counties.

* WHEN...For the Extreme Heat Warning, until 2 AM MDT Tuesday. For the Heat Advisory, from 2 AM Tuesday to 2 AM MDT Wednesday.

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