Heat Advisory

* WHAT...Hazardous temperatures in excess of 100 degrees are forecast to develop Monday afternoon across valley locations in northwest Utah, particularly along the northern Wasatch Front and the Great Salt Lake Desert.

* WHERE...Eastern Box Elder County, Great Salt Lake Desert and Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele and Rush Valleys.

* WHEN...From noon Monday to midnight MDT Monday Night.

* IMPACTS...Low temperatures into Monday morning will stay elevated in the upper 60s to mid 70s for most lower valley locations, offering little relief overnight.