Summer Heat Wave Will Hit Us

Forecasters warn of a heat wave expected to hit triple-digits in valley and increased fire danger in the Southland.

Residents in the Hollywood Hills should know that no red flag warnings were in effect early Monday, but "the hot temperatures combined with very low humidities will bring elevated fire weather concerns to interior portions of southwest California" through today, according to a National Weather Service advisory.

The high temperatures forecast for this week — with triple-digit heat expected in both valley and mountain areas —  will result from a strong upper- level high-pressure system centered over the great basin, according to the advisory. The peak of the heat wave will be between today and Wednesday, it said.

Anyone planning to spend time outdoors early this week should stay hydrated and avoid strenuous activity, according to the weather service. Don't leave children or pets in the car.

The NWS forecast highs today of 86 in Hollywood; 71 in Avalon; 72 at LAX; 74 in Newport Beach; 84 in Long Beach and downtown L.A.; 86 on Mount Wilson; 87 in Anaheim; 91 in Burbank; 92 in San Gabriel; 94 in Pasadena; 100 in Woodland Hills; 101 in Saugus; and 103 in Palmdale and Lancaster.

Temperatures will generally be a few degrees higher Tuesday and Wednesday before falling back to today's levels.

A high of 91, matching a record set on July 8, 2006, was recorded Sunday in Sandberg in the Antelope Valley. But no heat record is expected to be set today, and no thunderstorms are expected until later this week, likely Wednesday, said NWS meteorologist Andrew Rorke.

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