May 4, 2026 2:00 PM

Severe Thunderstorms expected on Friday across IE Valley, Mountain, and Deserts

CAJON PASS, CA. (Pain In The Pass) >> This slow low pressure system moving east, causing a chance of wrap-around rain showers may hit SoCal Friday morning with a chance of thunderstorms for the morning/afternoon. There is a chance of light to heavy scattered showers for the Inland Empire Valleys, mountains, and high deserts. The slow storm will bring heavy fog for the Cajon Pass again. No chance of snow showers with this storm.

The Southern California Weather Force Weather Service has issued a Severe Thunderstorm Watch for the IE Valley, mountains, and the high and low deserts. A Fog Advisory for the Cajon Pass for the morning commute.

Your morning drive in the Cajon Pass, you can see or run into pockets of light rain showers or drizzle with foggy conditions for your morning commute. Fog and low clouds should lift in the late afternoon. A chance of thunderstorms all day Friday.

Roads may become slick due to oil buildup from the summer dry season. Please Drive Carefully!!!

If you travel through the Cajon Pass or on Interstate 15 expect traffic due to the weather condition can change quickly. Remember to SLOW DOWN in the rain or in foggy conditions.

Warmer weather not to hot weather, will be back in the forecast starting on Saturday.

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Cajon Pass
2:00 pm, May 4, 2026
temperature icon 55°F
overcast clouds
Humidity: 47 %
Pressure: 1011 mb
Wind: 24 mph
Wind Gust: 23 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 5:56 am
Sunset: 7:35 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
temperature icon
53°/55°°F 0 mm 0% 17 mph 47% 1011 mb 0 mm/h
5:00 pm
temperature icon
52°/54°°F 0 mm 0% 21 mph 48% 1011 mb 0 mm/h
8:00 pm
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48°/50°°F 0 mm 0% 14 mph 59% 1012 mb 0 mm/h
11:00 pm
temperature icon
45°/45°°F 0 mm 0% 12 mph 80% 1014 mb 0 mm/h
2:00 am
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44°/44°°F 0.26 mm 26% 8 mph 84% 1013 mb 0 mm/h
5:00 am
temperature icon
43°/43°°F 0.24 mm 24% 9 mph 84% 1013 mb 0 mm/h
8:00 am
temperature icon
46°/46°°F 0.25 mm 25% 8 mph 70% 1013 mb 0 mm/h
11:00 am
temperature icon
52°/52°°F 0.2 mm 20% 10 mph 55% 1013 mb 0 mm/h