Heat Advisory: Lower Treasure Valley; Upper Treasure Valley; Southwest Highlands; Western Magic Valley; Owyhee Mountains; Southern Twin Falls County; Upper Weiser River; Harney County; Baker County; Malheur County; Oregon Lower Treasure Valley

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Heat Advisory — Lower Treasure Valley; Upper Treasure Valley; Southwest Highlands; Western Magic Valley; Owyhee Mountains; Southern Twin Falls County; Upper Weiser River; Harney County; Baker County; Malheur County; Oregon Lower Treasure Valley Severity: Moderate. Certainty: Likely. * WHAT...Afternoon high temperatures 95 to 105 degrees at lower elevations and desert areas. Mild relief at night with low temperatures in the 60s at lower elevations and upper 40s through 50s in the higher terrain. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MDT /8 PM PDT/ Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.