Heat Advisory

Locations Affected

Boise, ID ∙ Nampa, ID ∙ Meridian, ID ∙ New Plymouth, ID ∙ Boise Air Terminal, ID ∙ Caldwell Industrial Airport, ID ∙ Mayfield, ID ∙ Jamieson, OR ∙ Star, ID ∙ Payette, ID

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Boise ID 214 PM MDT Sun Jun 29 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MDT /10 AM PDT/ TO 8 PM MDT /7 PM PDT/ TUESDAY LOWER SNAKE PLAIN, TREASURE VALLEY, AND WEISER BASIN... * WHAT...Temperatures up to 103 expected. * WHERE...Treasure Valley and Weiser River Basin. * WHEN...From 11 AM MDT /10 AM PDT/ to 8 PM MDT /7 PM PDT/ Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals. 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.

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