Mini-heat wave to hit Southern California, pushing temps in some spots to over 100

A mini heat wave will hit Southern California this week, with temperatures expected to reach above 100 in some inland areas.

A high-pressure system is making its way over the southwest and expected to park over Southern California in the middle of the week — leading to hotter and drier conditions, according to the National Weather Service.

“We’ve seen some warm-up today (Monday) and (that) will … plateau into Thursday,” said Robbie Munroe, a meteorologist with the NWS.

In L.A. County, temperatures will reach the 70s around the beaches, in the mid-80s around downtown, and in the 90s in the San Fernando Valley leading up to the mini heat wave.

On Wednesday and Thursday, Los Angeles will see temperatures in the 90s to 100s in the valleys, mid to upper 80s in downtown, and 70s near the beaches.

In Orange County, temperatures will be in the 70s to 80s until Thursday. While coastal areas will remain at the temperatures felt earlier in the week, inland O.C. is expected to reach the upper 80s in the height of the week’s heat, according to NWS meteorologist Adam Roser.

The Inland Empire will feel temperatures leading up to the peak of the mini heat wave in the 90s. Come Thursday, temperatures will climb to the mid-90s up to 105 in some areas farther inland such as in San Bernardino, Hemet, and Lake Elsinore.

Places in the high desert, like Victorville and Hesperia, will see temperatures near 100 beginning on Tuesday and up to 105 on Thursday.

“We’re going to see temperatures go around five to 10 degrees above average for some of our inland areas and desert areas by Thursday,” Roser said.

Temperatures across the region are expected to slightly drop going into the weekend as the high-pressure system moves away.