CAJON PASS, CA. (Pain In The Pass) >> A slow moving cutoff low will bring the atmospheric river to Southern California late Thursday night and last till Saturday.
Yes, it will be raining on and off all day on Friday, the bulk of the storm will hit during the morning/afternoon and evening commutes on Friday. Saturday morning rain showers will be also strong.
This weather event will bring mostly moderate to heavy rain showers on Friday and on Saturday morning.
Flash flooding and dangerous debris flows are possible in the burn scar area. Wrightwood is in the Flash Flooding zone with Sheep Creek could overflow at Highway 2 or on Desert Front Road and in Phelan.
If you are in or near a burn scar area you are in a Flash Flood Warning as of on Thursday afternoon.
Southern California Weather Force has issued a Flood Warning across the forecast zones. Mountain areas will have a high snow level so this means more rain than snow, so that will lead into flash flooding.
The heaviest downpours or thunderstorms can have the potential to bring a quick 1+ inch of rain from a strong weather cell. The risk for localized flash flooding is moderate to high, with the burn land in the burn scars areas from brush fires from earlier in the year or from last year.
The Southern California Weather Force has posted the timing of the storm for the Inland Empire, Cajon Pass, mountains area, and the high desert below.
Timing for Inland Empire/Cajon Pass. Rain showers could start around 4pm-8pm on Thursday night with the heavy rainfall starts Friday morning around 1am-3am. The heaviest rainfall will start in the Friday morning and will last into Saturday morning. This storm will bring off and on showers. Heavy fog/rain in the Cajon Pass. The Cajon Pass/foothills area could get about 3+ inches of rain total. The Inland Empire cities could get about an inch to 2 inches of rain total; each city could vary. A thunderstorm can product higher rain totals. This will result in isolated flash and urban flooding on Friday and Saturday.
Timing of the storm for the High Desert. The rain showers could start around 6pm-10pm late Thursday night. Moderate rain showers could start around 4am-6am on Friday that could be heavy at time. The High Desert cities like Hesperia/Victorville could get about an inch to 1+ inches of rain total; each city could vary. A thunderstorm can product higher rain totals. Barstow will get about an inch of rain. Strong gusty winds Thursday-Saturday.
Timing of the storm for the Mountains like Wrightwood. Rain showers could start around 7pm-11pm Thursday night into Friday morning with heavy rain showers could start around 1am-4am. This storm will bring off and on showers heavy at times. Snow level will be high around 7,000 ft. then drop around 6,000 ft on Saturday. Wrightwood will get about 3+ inches of rain total no snow in town. Mt High could get a foot+ of snow. Flash floods and dangerous debris flows are possible in Sheep Creek Wash in Wrightwood and in Phelan. Strong gusty winds are in the forecast.
If you travel through the Cajon Pass expect heavy traffic due to the weather condition that can change quickly. One-minute light rain then the next minute heavy rain. Remember to SLOW DOWN in the rain or in foggy conditions.
Remember Head Lights on in the rain in the daytime.
Slow down to maintain control and leave space between vehicles.
Timing of the storm could change.
More rain showers next week too.
There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 165,000 members. Join the group on MeWe. Like us on the NEW page on Facebook. Follow us on Instagram, and also follow us on Threads, and X aka Twitter.
