A warming trend is underway this week, adding 5 degrees from the coast to the valleys on Tuesday but the heat won't peak until Friday.
The marine layer will return tonight, stretching to the valleys. The clouds will clear by 8 am east of the 5. The marine layer will take a few more hours to clear near the coast, with warm but comfortable temperatures in the low 70s.
The heat will continue to climb each day, set to peak on Friday and Saturday with 90s inland, and close to 90s in the mountains.
Dangerous heat will impact the deserts, as temperatures average between 110 to 117 degrees starting Thursday. An Excessive Heat Watch will begin Thursday at 10am until 8pm Sunday.
Unlike the last couple of heat waves, this time around the nights will trend warmer as temperatures will only drop to the 60s for most of the coast, inland and mountain areas by the mornings while we'll see 70s and 80s in the deserts.
It will feel like summer into early next week, but the temperatures ease back down on Monday but most. Summer is just around the corner, Summer Solstice will happen June 21 at 2:13am.
Tuesday's Highs:
Coast: 70-77°
Inland: 79-85°
Mountains: 80-93°
Deserts: 105-110°
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