Southern California
Affected area: The lower deserts of Southwest and South- central Arizona, and southeast ... Temperature: highs 110 to 116 degrees on the lower deserts Friday through Sunday ..
State safety regulators have urged employers to protect their outdoor workers from heat illness this week.
The humidity level will drop to between 6 and 12 percent in the interior valleys and some mountain areas by Friday.
Gusty winds may cause elevated fire danger across the Southland.
Along the coast, a high surf advisory will remain in effect until 10:00 p.m. tonight with expected surf of 4 to 7 feet and sets of up to 9 feet in some areas.
The combination of high surf and high tides could generate minor beach erosion and minor flooding of harbor walkways.