Heat wave expected this week; warnings issued for Tuesday, Wednesday

SAN DIEGO - A heat wave is expected to hit Southern California this week, and the National Weather Service has issued an excessive heat watch for Tuesday and Wednesday (Aug. 24-25, when near-record temperatures are possible.

High pressure building over the desert Southwest will bring three to four days of hot weather, with Tuesday and Wednesday being the hottest, when triple-digit highs will be common across the valleys and foothills, according to the Weather Service. Cooler weather is expected at the weekend.

Expected high temperatures Tuesday and Wednesday:

-- 90 to 100 in coastal valleys;

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