Extreme Heat Warning

* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with heat index values or temperatures up to 110. For the Extreme Heat Warning on Monday, dangerously hot conditions with heat index values or temperatures up to 114 expected.

* WHERE...Portions of southern and southwest Oklahoma and northern Texas.

* WHEN...For the Extreme Heat Warning today, until 8 PM CDT this evening. For the Extreme Heat Warning Monday, from noon to 8 PM CDT Monday.

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