An excessive heat warning was in effect Sunday for all of Riverside County, as temperatures soared above 110 degrees in many areas.
The warning was in effect until at least 11 p.m. Tuesday, according to the National Weather Service. Forecasters cautioned that “dangerously hot conditions” will prevail, and residents should be alert to exposure impacts, including dehydration and heat stroke.
Highs will climb to 116 degrees in Palm Springs on Sunday and Monday, dipping only slightly to 115 on Tuesday and 112 on Wednesday, according to current NWS forecasts. Hemet was expected to reach 106 Sunday and 108 on Sunday, dropping to 101 by Wednesday, while Indio was expected to reach 114 on Sunday.
Downtown Riverside was expected to hit 102 degrees Sunday, 105 on Monday and 102 on Tuesday before dropping to 98 on Wednesday, with overnight temperatures in the lower 70s throughout the week.
Overnight lows in the desert areas were forecast to hover in the upper 80s.
In Palm Springs, city-operated cooling centers remain open at Demuth Community Center, James O. Jessie Desert Highland Unity Center and the Palm Springs Public Library. More information is available at EngagePalmSprings.com.
A ridge of high pressure backing westward over the Four Corners region will influence weather patterns in the West through the early part of the week, keeping conditions hot and dry.
The NWS said monsoonal moisture will be contained by the high pressure until the middle of the week, when chances of scattered thunderstorms in the mountains around Anza and Idyllwild, as well as parts of the Coachella Valley, return.