The high reached 122 in both Palm Springs and Thermal and 120 in Indio Wednesday, amid a sweltering heat wave, besting records for this day in each community, according to the National Weather Service.
The high recorded at the Palm Springs International Airport beat the previous 121-degree day from 1969. Records have been consistently kept in Palm Springs since 1893.
Meanwhile, Thermal also hit 122, breaking its 118-degree record from 1969. Records from the Thermal Airport go back to 1950.
Indio reached 120, smashing its previous daily record of 118 from 1937.
A strong ridge of high pressure will continue sending temperatures soaring way past the century mark across much of the county through Thursday, according to the weather service.
Excessive heat warnings will remain in effect for the Coachella Valley and Banning Pass until 8 p.m. Thursday. The warnings went into effect Tuesday morning.
Meanwhile, a less severe heat advisory will remain in place until 8 p.m. Thursday for the Riverside mountains and the western metropolitan region.
Highs across Riverside County Wednesday also included 100 in Riverside, 108 in San Jacinto, 93 in Idyllwild and 102 in Beaumont.
“Extreme heat will significantly increase the potential for heat-related illnesses, particularly for those working or participating in outdoor activities. Warm overnight temperatures will compound heat stress for those without adequate cooling,” the weather service said.
People were advised to drink plenty of fluids, stay in an air- conditioned rooms, avoid the sun and check up on relatives and neighbors.
Cooling centers are open countywide, where residents without air- conditioning are able to take a break during daylight hours. A complete list is available at www.capriverside.org/cool-centers.
The highest temperature recorded in Riverside County have been 126 degrees in Thermal and Mecca, according to the NWS.
Thermal hit 126 degrees on July 28, 1995, and Mecca reached 126 on June 26, 1990 and Sept. 2, 1950.