October 10, 2026 6:06 PM

Full Nighttime Closure of Southbound 15 Ramp to Eastbound 10 Freeway Thursday and Friday Nights

ONTARIO, CA. (Pain In The Pass) >> A full overnight closure of Interstate 15 connector I-10 freeway and ramps will take place this Thursday night and Friday night as Caltrans doing bridge repair.

Caltrans will be closing lanes on Southbound I-15 to eastbound i-10 connecter ramp Nightly starting Thursday July 31 through Friday August 1 from 9pm until 6am* for maintenance work. The lane closures will begin from the Fourth Street offramp to the 10 Freeway. That means Fourth St. onramp will be closed. Two to three southbound I-15 lanes will remain OPEN at all times.

One eastbound 10 freeway lane to Etiwanda Ave offramp will be closed.

Watch for signs and please slow down near the work zone!

*Times can subject to change and could go longer or start earlier. Schedules are subject to change due to inclement weather or construction issues.

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Cajon Pass
6:06 pm, Oct 10, 2026
temperature icon 63°F
moderate rain
Humidity: 56 %
Pressure: 1002 mb
Wind: 11 mph
Wind Gust: 19 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:50 am
Sunset: 6:21 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 pm
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62°/62°°F 0.2 mm 20% 5 mph 62% 1002 mb 0 mm/h
11:00 pm
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60°/61°°F 1 mm 100% 3 mph 69% 1001 mb 0 mm/h
2:00 am
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58°/58°°F 1 mm 100% 5 mph 88% 999 mb 0 mm/h
5:00 am
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57°/57°°F 1 mm 100% 7 mph 92% 997 mb 0 mm/h
8:00 am
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55°/55°°F 0.33 mm 33% 12 mph 88% 1000 mb 0 mm/h
11:00 am
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57°/57°°F 0.22 mm 22% 19 mph 73% 1002 mb 0 mm/h
2:00 pm
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56°/56°°F 0.19 mm 19% 20 mph 72% 1004 mb 0 mm/h
5:00 pm
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54°/54°°F 0.01 mm 1% 17 mph 66% 1004 mb 0 mm/h