Extreme Heat Warning

* WHAT...High temperatures up to 108 degrees and multiple days of Major Heat Risk.

* WHERE...West Side Mountains north of 198.

* WHEN...Until 8 PM PDT Monday.

* IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses.

* ADDITIONAL DETAILS...Afternoon high temperatures of 102 to 108 degrees will occur through Monday. Overnight lows will generally only fall into the mid 60s to mid 70s with little overnight relief.