Heat Advisory

* WHAT...Heat index values up to 105 expected.

* WHERE...Cheyenne CO, Kit Carson, and Yuma Counties.

* WHEN...From 10 AM to 9 PM MDT Sunday.

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

* ADDITIONAL DETAILS...Saturday night and into Sunday morning are forecast to see warm low temperatures in the upper 60s to low 70s which could further exacerbate any heat related impacts for the day Sunday.