Heat Advisory

* WHAT...For the Heat Advisory, high temperatures around 100 degrees expected. For the High Wind Warning, west winds 30 to 40 mph, with gusts up to 60 mph expected.

* WHERE...Eastern Glacier, Western Toole, and Central Pondera.

* WHEN...For the Heat Advisory, until 3 AM MDT Sunday. For the High Wind Warning, from 6 PM this evening to noon MDT Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...The most intense winds are likely to occur between 9 PM Saturday and 6 AM Sunday when mountain wave activity will be at its peak.