429 WWUS75 KBOI 060959 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 359 AM MDT Thu Aug 6 2026 IDZ012-014>016-029-030-033-ORZ061>064-062100- /O.CON.KBOI.HT.Y.0006.260806T2000Z-260809T0300Z/ 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- Including the cities of Reynolds, Silver City, Nampa, Grasmere, Crane, Glendale, Venator, Twin Falls, Malheur City, Council, Mesa, Diamond, Dunnean, Cambridge, Hollister, Caldwell, Baker, Nyssa, Fruitvale, Three Creek, Burns, Rogerson, New Princeton, Indian Valley, Boise, Ontario, Riddle, Buchanan, Murphy Hot Springs, and Goodrich 359 AM MDT Thu Aug 6 2026 /259 AM PDT Thu Aug 6 2026/ ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM MDT /1 PM PDT/ THIS AFTERNOON TO 9 PM MDT /8 PM PDT/ SATURDAY... * WHAT...Afternoon temperatures in the triple digits for lower elevations and the high desert, mid to upper 90s for higher terrain. Some mild relief overnight with minimum temperatures in the mid to upper 60s in lower elevations and 50s in the higher terrain. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...From 2 PM MDT /1 PM PDT/ this afternoon to 9 PM MDT /8 PM PDT/ Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ CH