At 16:41 on July 26, 2025, the Yuncheng Meteorological Observatory changed its high temperature orange warning signal to the following areas: Salt Lake District, Ruicheng County, Yongji City, Jishan County, Xinjiang County, Hejin City, and the western part of Xia County. It is expected that the highest temperature in the warning area will rise above 37 ℃ during the daytime tomorrow, and the highest temperature in most other areas will rise above 35 ℃. Relevant units and personnel are requested to be prepared for prevention. Defense guidelines: 1. Relevant departments and units shall implement heatstroke prevention and cooling measures in accordance with their responsibilities; 2. Try to avoid outdoor activities during high temperature periods, and personnel working under high temperature conditions should shorten their continuous working time; 3. Provide guidance on heatstroke prevention and cooling for the elderly, weak, sick, and young, and take necessary protective measures; 4. Relevant departments and units should pay attention to preventing fires caused by excessive electricity consumption, as well as excessive power loads on wires, transformers, and other electrical equipment.