April 24, 2026 9:43 AM

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.

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Cajon Pass
9:43 am, Apr 24, 2026
temperature icon 59°F
overcast clouds
Humidity: 45 %
Pressure: 1012 mb
Wind: 9 mph
Wind Gust: 16 mph
Clouds: 85%
Visibility: 10 km
Sunrise: 6:07 am
Sunset: 7:27 pm
  • Temperature
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11:00 am
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58°/59°°F 0 mm 0% 10 mph 44% 1012 mb 0 mm/h
2:00 pm
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61°/64°°F 0 mm 0% 12 mph 40% 1011 mb 0 mm/h
5:00 pm
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61°/63°°F 0 mm 0% 14 mph 32% 1009 mb 0 mm/h
8:00 pm
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51°/51°°F 0 mm 0% 12 mph 53% 1010 mb 0 mm/h
11:00 pm
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47°/47°°F 0 mm 0% 11 mph 82% 1011 mb 0 mm/h
2:00 am
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48°/48°°F 0 mm 0% 10 mph 84% 1010 mb 0 mm/h
5:00 am
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47°/47°°F 0 mm 0% 12 mph 87% 1010 mb 0 mm/h
8:00 am
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49°/49°°F 0 mm 0% 13 mph 72% 1011 mb 0 mm/h