Southern California is bracing for a heatwave that’s expected to push temperatures into triple digits, particularly in the Coachella Valley where highs could soar close to 110F. The National Weather Service (NWS) San Diego has issued a forecast that includes a “major risk” HeatRisk for the lower deserts from Tuesday onwards, with areas in the inland valleys and deserts facing a “moderate to major heat risk” through Thursday.
For those hoping to find a reprieve at the coast, morning low clouds will accompany near-average temperatures through Monday, but relief is short-lived. The subtropical ridge from the desert southwest is anticipated to strengthen, pushing inland temperatures higher as the week progresses, according to the NWS San Diego’s Area Forecast Discussion. By Wednesday, inland areas, including the Inland Empire, may confront temperatures surpassing 100°F, with the Coachella Valley on the verge of a blistering 120°F mark.
At the turn of the afternoon, west winds are forecasted to become quite gusty daily. This is especially true through the San Gorgonio Pass, where the tight pressure gradient and sea breeze are reacting to a thermal low forming over the lower deserts. Meanwhile, the marine layer is predicted to stay “rather persistent,” blanketing most inland valleys and a portion of the Inland Empire overnight…