The Southland will bake in dry, above-normal heat Friday and Saturday, with Valley temperatures expected to top 106, National Weather Service (NWS) forecasters said.
As a result of strong upper-level pressure over the region and an offshore flow, highs are expected to reach the mid 80s at the beach, 97 in downtown L.A., 100 in the Antelope Valley, 104 in the San Gabriel Valley, and 106 in the San Fernando and Santa Clarita valleys, they said.
But humidity levels will be low, meaning the heat index that gauges how hot it really feels will be devoid of so-called critical values.
"Cooler weather is expected across the region on Sunday, although temperatures still will be well above normal," according to an NWS advisory. "Additional cooling is expected on Monday."
The NWS urged residents planning to spend time outdoors to wear lightweight, light-colored, loose-fitting clothing, drink lots of non-alcoholic liquids, and avoid strenuous activity during the hottest part of the day. Motorists should make sure they never to leave children, pets or older people in a parked vehicle, even with the windows down.
The NWS forecast highs Friday of 81 in Avalon; 85 at LAX and in Newport Beach; 88 on Mount Wilson; 97 in downtown L.A.; 98 in Long Beach; 99 in Palmdale and Lancaster; 100 in San Gabriel and Burbank; 101 in Pasadena; 103 in Anaheim; 104 in Saugus; and 105 in Woodland Hills. Identical temperatures are expected Saturday, followed by a steep climbdown -- 11 degrees in some communities -- on Sunday.
