Dangerous Heat In RivCo Deserts: Heatwave Lingers, Cooler Temps Ahead

PALM DESERT, CA — An early autumn heat wave is bringing record highs to parts of Riverside County and is expected to linger Thursday bringing "dangerously hot conditions," but cooler temperatures are in the forecast for the weekend.

It was 110 in Lake Elsinore on Wednesday, breaking the record for the day of 106 set in 2012.

It was 109 in San Jacinto, breaking the record for the day of 105 set in 2020. It was the second day in a row a record high was reached in San Jacinto.

It was 104 in Ramona, breaking the record for the day of 102 set in 2020.

It was 106 in San Jacinto on Tuesday, breaking the record for the day of 105 set in 2012. It was 98 in Idyllwild, breaking the record for the day of 93 set in 2020. It was 117 in Palm Springs, breaking the record for the day of 115 set in 1980. It was 117 in Indio, breaking the record for the day of 111 set in 2020.

An excessive heat warning is in effect Thursday in the Coachella Valley and Riverside County desert communities with highs expected to reach 114 degrees.

The excessive heat warning issued by the National Weather Service will remain in effect until 8 p.m. Thursday.

Dangerously hot conditions, with temperatures between 108 and 114, are in the forecast for La Quinta, Indio, Cathedral City, Borrego Springs, Coachella, Palm Desert, Palm Springs and Palm Desert County.

The low temperatures in those areas will be in the mid 70s to low 90s.

Heat advisories have been issued until 8 p.m. Thursday for Riverside County valley communities, Moreno Valley, Corona, Rancho Cucamonga and Riverside, where temperatures are expected to be between 100 and 108. Lows will be in the upper 60s to low 70s.

Mountain communities can expect temperatures in the mid 80s to the mid 90s until Thursday. Lows will be in mid 60s to mid 70s.