Expect blistering temperatures all week in tri-city area

A “very large” high-pressure system will bring blistering temperatures for much of the week, with daytime highs in the Burbank-Glendale area getting as high as 105 degrees on Tuesday – and only getting hotter from there.

Temperatures could hit 107 degrees on Wednesday, and then could get up to 109 degrees Thursday through Sunday in Burbank and Glendale, according to the National Weather Service.

It will be much of the same in Pasadena, with a possible high of 105 degrees on Tuesday, 106 degrees on Wednesday and then 108 degrees each day through the weekend, according to weather service.

The forecast has prompted an excessive heat watch to be issued for Wednesday through Friday evening.

The triple-digit temperatures are predicted for the San Fernando, Santa Clarita and Antelope valleys, with other inland areas, including downtown Los Angeles, expected to see highs in the 90s.

The beaches will likely be the "only comfortable place" this week, said Andrew Rorke, a meteorologist with the National Weather Service, with temperatures in the 70-degree range.

Thanks to a "very large" high-pressure system moving through the area, the heat is expected to last throughout the week, with the hottest temperatures and higher humidity expected Thursday and Friday, Rorke said.

Officials encouraged people to stay indoors and hydrated.

"We'll see a little bit of cooling [Sunday], but honestly, back to normal won't be until a week from today," Rorke said.

-- Jason Wells, Times Community News, with Kate Mather at the Los Angeles Times

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