NWS has the two areas, along with the Coachella Valley and Riverside County mountains, on advisory from Sunday afternoon through 1 a.m. Monday and on high-wind watch from late Sunday night through Monday evening.
Driving conditions could become difficult, particularly for high-profile vehicles, along Interstate 15 in the high desert, Interstate 8 through the San Diego mountains and State Route 74 through the San Jacinto Valleys.
West winds of 25 to 30 mph could gust up to 45 mph. The winds may increase to 35 to 45 mph, according to NWS, with the strongest wind gusts expected to reach up to 60 mph Monday morning through the early afternoon.
Isolated gusts up to 70 mph are also possible Monday morning.
Interstate 10 through the Banning Pass and Coachella Valley may also be affected.