RADAR LIVE · Roads © OpenStreetMap contributors
Stretch by stretch, now
Save I-405, and the drives you take on it.
This page shows the whole road at one moment. In the app, every stretch is forecast for the time you’ll actually be on it, and your drives are saved for next time.
- Every stretch forecast for the moment you reach it
- Your drives saved, ready for the next trip
- A spoken briefing before you leave
iPhone, iPad, Mac and Android. No ads.
Closures, chain laws and road conditions
The National Weather Service has no warnings in effect on I-405 right now. Checked Tue, 17:54 PDT. weather.gov ↗
Warnings come from the National Weather Service, in its own words. This page is our forecast, not an official warning. Source: NOAA National Weather Service
Is I-405 closed right now?
We don’t track closures or chain controls. Check Caltrans QuickMap before you leave; every road-conditions service along I-405 is listed above.
How often is this page updated?
Every hour, from the latest forecast. The time at the top of the page says when it was last updated.
Is this an official weather warning?
No. This is our forecast of what to expect along the road. Official warnings come from the National Weather Service; those in effect on I-405 are listed above, each with a link to the warning itself.
How is this different from the app?
This page shows the whole highway at one moment. Windshield Weather follows your own drive: every stretch is forecast for the time you reach it.
