July 16, 2026 10:37 AM

First Small Heat Wave of the Summer Hitting SoCal

SOUTHERN CALIFORNIA, CA. (Pain In The Pass) >> The first heat wave of the summer arrives in Southern California for three days, bringing triple-digit heat to the Inland Empire and the high desert.

Temperatures will rise to the triple-digits when the heat wave peaks on Wednesday, Thursday, and ending Friday.

An area of high pressure will sit right over the region on Wednesday and Thursday, and that sinking air compresses, making temperatures hotter and hotter.

A Heat Advisory has been issued from Wednesday at 10am through Thursday at 8pm in the area the IE and desert.

Relief won’t arrive until Saturday, when temperatures begin to dip back down as the pressure weakens and the sea breeze moves back in heading into the weekend.

If you like the heat, another heat wave in the forecast for next week.

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Cajon Pass
10:37 am, Jul 16, 2026
temperature icon 88°F
scattered clouds
Humidity: 26 %
Pressure: 1010 mb
Wind: 5 mph
Wind Gust: 7 mph
Clouds: 48%
Visibility: 10 km
Sunrise: 5:48 am
Sunset: 8:01 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
77°/88°°F 0 mm 0% 8 mph 26% 1010 mb 0 mm/h
2:00 pm
temperature icon
85°/87°°F 0 mm 0% 17 mph 25% 1010 mb 0 mm/h
5:00 pm
temperature icon
83°/85°°F 0 mm 0% 17 mph 21% 1008 mb 0 mm/h
8:00 pm
temperature icon
71°/71°°F 0 mm 0% 12 mph 35% 1008 mb 0 mm/h
11:00 pm
temperature icon
65°/65°°F 0 mm 0% 6 mph 49% 1011 mb 0 mm/h
2:00 am
temperature icon
63°/63°°F 0 mm 0% 6 mph 51% 1011 mb 0 mm/h
5:00 am
temperature icon
60°/60°°F 0 mm 0% 4 mph 50% 1012 mb 0 mm/h
8:00 am
temperature icon
68°/68°°F 0 mm 0% 5 mph 38% 1013 mb 0 mm/h