Photo courtesy National Weather Service

Temperatures in Riverside County’s deserts soared as high as 122 degrees Tuesday, breaking or tying records in two Coachella Valley cities and grounding planes at Palm Springs International Airport.

The mercury reached 122 degrees in Thermal, breaking a one-year-old record, according to the National Weather Service. Palm Springs also reached 122 degrees, tying the city’s record high for the date.

Several flights to and from Phoenix were canceled due to heat concerns. American Airlines canceled more than four dozen flights in and out of Phoenix due to operational concerns over extremely high temperatures.

No immediate relief is in sight. The heat wave is expected to bring desert temperatures up to 122 degrees through Wednesday, and between 112-118 through Sunday.

An excessive heat warning for the Coachella Valley and the San Gorgonio Pass zone, which includes the cities of Banning and Desert Hot Springs, remains in effect until 9 p.m. Sunday. A less severe heat advisory for the remainder of Riverside County will expire at 9 p.m. Wednesday, according to the NWS.

Somewhat cooler conditions are expected Thursday and Friday.

Authorities warned that the hot weather increases the risk of heat- related illness and noted that anyone working or spending time outdoors is more susceptible, as are the elderly, children and those unaccustomed to the heat. Forecasters advise residents to reschedule strenuous activities to early morning or evening, drink plenty of water, wear lightweight and loose fitting clothing and be aware of the signs and symptoms of heat exhaustion and heat stroke.

Authorities also warn against leaving children, seniors or pets in parked cars, which can heat up to lethal levels in just minutes, even with a window partially open.

–City News Service

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