Cajon Pass

Weather alerts from the National Weather Service and chain controls from state transportation departments, with the time of every update. Worst conditions first.

Not official. Check the official 511 before you drive.

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I-15 · California

Nothing reported by our sources

Not official. Check the official 511 before you drive.

NWS alerts

No NWS alerts reported for this pass at 2:29 PM PDT.

Road and chain status

No chain controls reported by Caltrans at 2:26 PM PDT.

NWS forecast

  • This Afternoon 58°F · SW 5 to 10 mph
    A chance of rain showers before 5pm. Partly sunny, with a high near 58. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
  • Tonight 48°F · NW 0 to 10 mph
    Mostly clear, with a low around 48. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.

Standing rule (not live data): California chain controls: R-1, R-2 and R-3 (meanings on the card when one is in effect). Trucks have their own chain rules: see the Caltrans page.

  • Source: NWS · checked 2:29 PM PDT
  • Source: Caltrans · file updated 2:26 PM PDT
  • Source: NWS forecast · updated 1:37 PM PDT

Official pages: Caltrans QuickMap (official) · Caltrans chain controls (with truck rules) · NWS forecast office

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Weather: National Weather Service (weather.gov), public data. Road data: each state DOT. TTH is not affiliated with these agencies, and they do not endorse this page. This page is refreshed every few minutes.