One product issued by NWS for: 6 Miles N Castleford ID
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service Boise ID 430 AM MDT Mon Jul 20 2026 IDZ015-016-030-202100- /O.CON.KBOI.HT.Y.0004.260720T1800Z-260721T0300Z/ Southwest Highlands-Western Magic Valley-Southern Twin Falls County- Including the cities of Grasmere, Three Creek, Twin Falls, Hollister, Murphy Hot Springs, Riddle, and Rogerson 430 AM MDT Mon Jul 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * WHAT...Temperatures up to 100 expected. * WHERE...Western Magic Valley, Southern Twin Falls County, and Southwest Highlands. * WHEN...From noon today to 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals. * ADDITIONAL DETAILS...Warm overnight temperatures will limit recovery. 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. && $$ ST