September 15, 2026 9:33 PM

Roadwork Alert On Summit Valley Road In Hesperia on Monday-Thursday

HESPERIA, CA. (Pain In The Pass) >> San Bernardino County Road Maintenance Project for Summit Valley Road. Roadwork with lane closures on Monday April 14, 2025 through Thursday on Summit Valley Rd. The closure will be between Ranchero Rd/Hesperia Airport and Highway 138.

Roadwork will start at 7:30am to 4pm* each day.

This lane closure will allow San Bernardino County crews to put down (chip seal) pavement surface treatment to the roadway. Please use Ranchero Road to Interstate 15 or use Hwy 173 to Hwy 138 to bypass this closure.

Plan accordingly and expect major delays up to 30+ minutes delay.

*Times can subject to change and could go longer or shorter than planned each day.

Schedules are subject to change due to inclement weather or construction issues.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 158,000 members. Join the group on MeWe. Like us on the NEW page on Facebook. Follow us on NewsBreak, and also follow us on Instagram, Threads, and X aka Twitter.

loader-image
Cajon Pass
9:33 pm, Sep 15, 2026
temperature icon 67°F
clear sky
Humidity: 56 %
Pressure: 1013 mb
Wind: 20 mph
Wind Gust: 20 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:32 am
Sunset: 6:56 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
63°/66°°F 0 mm 0% 11 mph 58% 1012 mb 0 mm/h
2:00 am
temperature icon
63°/65°°F 0 mm 0% 9 mph 50% 1013 mb 0 mm/h
5:00 am
temperature icon
61°/61°°F 0 mm 0% 7 mph 42% 1013 mb 0 mm/h
8:00 am
temperature icon
66°/66°°F 0 mm 0% 7 mph 33% 1015 mb 0 mm/h
11:00 am
temperature icon
79°/79°°F 0 mm 0% 13 mph 20% 1015 mb 0 mm/h
2:00 pm
temperature icon
83°/83°°F 0 mm 0% 16 mph 16% 1013 mb 0 mm/h
5:00 pm
temperature icon
80°/80°°F 0 mm 0% 16 mph 23% 1012 mb 0 mm/h
8:00 pm
temperature icon
70°/70°°F 0 mm 0% 14 mph 50% 1014 mb 0 mm/h