May 18, 2026 11:57 AM

Roadwork Alert on Summit Valley Road in Hesperia Tuesday and Wednesday

HESPERIA, CA. (Pain In The Pass) >> San Bernardino County Road Maintenance Project for Summit Valley Road in Hesperia. Roadwork with lane closures on Tuesday December 16, 2025 and on Wednesday. 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 pavement surface treatment to the roadway (potholes and crack repairs. Please use Ranchero Road to Interstate 15 to bypass this closure.

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

*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.

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Cajon Pass
11:57 am, May 18, 2026
temperature icon 62°F
clear sky
Humidity: 17 %
Pressure: 1012 mb
Wind: 12 mph
Wind Gust: 14 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 5:45 am
Sunset: 7:46 pm
  • Temperature
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2:00 pm
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62°/63°°F 0 mm 0% 16 mph 16% 1012 mb 0 mm/h
5:00 pm
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63°/63°°F 0 mm 0% 13 mph 11% 1011 mb 0 mm/h
8:00 pm
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57°/57°°F 0 mm 0% 7 mph 13% 1012 mb 0 mm/h
11:00 pm
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53°/53°°F 0 mm 0% 1 mph 22% 1014 mb 0 mm/h
2:00 am
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52°/52°°F 0 mm 0% 4 mph 14% 1014 mb 0 mm/h
5:00 am
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51°/51°°F 0 mm 0% 6 mph 12% 1014 mb 0 mm/h
8:00 am
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62°/62°°F 0 mm 0% 6 mph 9% 1016 mb 0 mm/h
11:00 am
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70°/70°°F 0 mm 0% 12 mph 10% 1016 mb 0 mm/h