Heat Advisory

* WHAT...High temperatures 103 to 107 expected today and Saturday with overnight low temperatures in the 70s.

* WHERE...In Colorado, Grand Valley. In Utah, Arches/Grand Flat and Southeast Utah.

* WHEN...For the first Heat Advisory, until 8 PM MDT this evening. For the second Heat Advisory, from 1 PM to 8 PM MDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.