Idaho, Oregon Moderate Heat Advisory | Effective 07/09/2026 11:56

Headline: 
Heat Advisory issued July 9 at 12:56PM MDT until July 11 at 9:00PM MDT by NWS Boise ID
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 9, 2026 - 11:56am
Expires: 
July 10, 2026 - 2:00pm
Description: 
* WHAT...Temperatures up to 103 degrees expected. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...From noon MDT /11 AM PDT/ Friday to 9 PM MDT /8 PM PDT/ Saturday. * IMPACTS...Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals. * ADDITIONAL DETAILS...Warm overnight temperatures will limit recovery.
Instruction: 
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.
Area Description: 
Lower Treasure Valley; Upper Treasure Valley; Southwest Highlands; Western Magic Valley; Southern Twin Falls County; Upper Weiser River; Oregon Lower Treasure Valley
Forcast Office: 
NWS Boise ID