{"url_path":"/weather/alerts/2.49.0.1.840.0.b9cfbf8a62332a4e31e96c3bfa8107b67c55178e.001.1","section_key":"alert","section_title":"Extreme Heat Warning issued July 23 at 3:56PM MST until July 27 at 8:00PM MST by NWS Phoenix AZ","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b9cfbf8a62332a4e31e96c3bfa8107b67c55178e.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Phoenix AZ"},"word_count":271,"has_tables":false,"body_markdown":"# Extreme Heat Warning: Extreme Heat Warning issued July 23 at 3:56PM MST until July 27 at 8:00PM MST by NWS Phoenix AZ\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Joshua Tree NP West; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley\n**Issued by:** NWS Phoenix AZ\n**Sent:** 2026-07-23T15:56:00-07:00\n**Effective:** 2026-07-23T15:56:00-07:00\n**Expires:** 2026-07-24T04:00:00-07:00\n\n## Description\n* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to\n119 degrees. Major to Extreme Heat Risk.\n\n* WHERE...Portions of southwest Arizona and southeast California.\n\n* WHEN...Until 8 PM MST /8 PM PDT/ Monday.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat events. Overexposure can cause heat cramps and heat\nexhaustion to develop and, without intervention, can lead to heat\nstroke.\n\n## Instructions\nAn Extreme Heat Warning means that a period of very hot temperatures,\neven by local standards, will occur. Actions should be taken to\nlessen the impact of the extreme heat.\n\nTake extra precautions if you work or spend time outside. When\npossible, reschedule strenuous activities to early morning or\nevening. Know the signs and symptoms of heat exhaustion and heat\nstroke. Wear lightweight and loose-fitting clothing when possible and\ndrink plenty of water.\n\nTo reduce risk during outdoor work, the Occupational Safety and\nHealth Administration recommends scheduling frequent rest breaks in\nshaded or air conditioned environments. Anyone overcome by heat\nshould be moved to a cool and shaded location. Heat stroke is an\nemergency! Call 9 1 1.\n\nPublic cooling shelters are available in some areas. Consult county\nofficials for more details."}