NOW

RADAR LIVE · Roads © OpenStreetMap contributors

12 STRETCHES · 1,339 mi

Stretch by stretch, now

NOSTRETCHCONDITIONSNEXT 24 HTEMP
01CA · 107 mi · Fri, 11:00 PSTPartly cloudyCALM66°F
02CA · 70 mi · Fri, 11:00 PSTPartly cloudyCALM57°F
03CA · NV · 157 mi · Fri, 11:00 PSTFairCALM68°F
04NV · UT · 119 mi · Fri, 11:00 PSTFairCALM66°F
05UT · 127 mi · Fri, 12:00 MSTPartly cloudyCALM61°F
06UT · 176 mi · Fri, 12:00 MSTPartly cloudyCALM57°F
07UT · 38 mi · Fri, 12:00 MSTPartly cloudyCALM59°F
08UT · ID · 129 mi · Fri, 12:00 MSTMostly cloudyMILD54°F
09ID · 52 mi · Fri, 12:00 MSTPartly cloudyCALM55°F
10ID · MT · 205 mi · Fri, 12:00 MSTMostly cloudyMILD50°F
11MT · 68 mi · Fri, 12:00 MSTMostly cloudyMILD48°F
12MT · 91 mi · Fri, 12:00 MSTPartly cloudyCALM48°F
THE APP

Save I-15, 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
GET THE APP →

iPhone, iPad, Mac and Android. No ads.

BEFORE YOU GO

Closures, chain laws and road conditions

OFFICIAL WARNINGS · NATIONAL WEATHER SERVICE
  • OFFICIALPOTENTIALLY DANGEROUSNWS SALT LAKE CITY UT

    Winter Weather Advisory

    On I-15 from St. George to Cove Fort.

    Southern Mountains

    From Fri, 19:00 MST until Sat, 11:00 MSTRead it on weather.gov ↗
  • OFFICIALPOTENTIALLY DANGEROUSNWS LAS VEGAS NV

    Wind Advisory

    On I-15 from San Bernardino to Las Vegas.

    Death Valley National Park; Western Mojave Desert

    From Fri, 16:00 PST until Sat, 10:00 PSTRead it on 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

QUESTIONS
Is I-15 closed right now?

We don’t track closures or chain controls. Check Caltrans QuickMap before you leave; every road-conditions service along I-15 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-15 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.

Save I-15 in the appIPHONE AND ANDROIDGET THE APP