The third heat wave of the year will heat things up for five days in Manteca, Lathrop, and Ripon starting Thursday.
But it will be nothing like what Sonora will experience in the Sierra foothills. And on Saturday and Sunday Yosemite Valley will swelter with rare triple digit highs — 105 and 102 degrees — just a degree cooler than Manteca is expected to experience.
That means if you want to escape the stifling heat South San Joaquin County will enjoy you’ll need to head to San Francisco where marine layers will help keep the highs 33 degrees lower than in Manteca during the “high heat risk” that will slam portions of Northern California dealing with wildfires near Redding. San Francisco will peak at 73 degrees on Saturday when Manteca is dealing with a 106 high.
The National Weather Service forecast calls for a return to triple digits in Manteca after a high of 89 degrees today and 91 degrees on Wednesday.
The high will reach 102 Thursday. The peak of the five-day heat event will come Saturday at 106 degrees. The projected highs for the other days are 104 Friday, 103 Sunday, and 100 Monday. The least comfortable in terms of overnight lows will be 67 on Friday.
Manteca’s high of 106 degrees Saturday takes a back seat to Sonora where it is projected to reach 111 degrees after hitting 110 on Friday.
The weather service is advising people that heat risk is high not just for the vulnerable but the general population. There will be little overnight cooling.
People are warned to take extra precautions to stay cool and hydrated.
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