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I-40 in California Road Conditions
I-40 Road Conditions in California
Updated Aug 24, 2026 12:29 AM UTC · Mostly dry
Lowest 102°F near Barstow, California · Highest wind 21 mph near Barstow, California
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I-40 runs 155 miles across California.
- Interstate: I-40
- State: California
- Length in state: 155 mi
Weather data from Aug 24, 2026 12:29 AM UTC
102°F
116°F
21 mph
1003-1005 hPa
Current I-40 in California Conditions by State
See live road conditions and weather for I-40 in California. Real-time surface conditions, radar, closures and DOT cameras on the interactive map for the California stretch of I-40.
Forecasts are generated for the next 6 hours at points along the route and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more. QuickMap is California's official traveller-information service for closures and restrictions on this road; this map shows the weather alongside it.
No full closures are reported on I-40 in California as of Aug 24, 2026 12:29 AM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Los Angeles, CA weather
- In Los Angeles, CA, the current weather is clear with a temperature of 19.9°C (67.8°F) and a humidity level of 82%
- The wind is blowing from the south at 1.8 kph (1 mph), and the atmospheric pressure is 1012 mb (29.9 inHg)
- There is a heat advisory in effect from 10:00 AM on August 23, 2026, until 10:00 AM on August 25, 2026, indicating that high temperatures may pose health risks, particularly for vulnerable populations
- Following this, an extreme heat watch will take effect on August 25, 2026, at 10:00 AM and will last until August 28, 2026, at 8:00 PM, suggesting that conditions could become even more severe
- Currently, there are no significant weather impacts affecting outdoor activities.
I-40 in California Traffic Cameras
updating…I-40 : (383) At Desert Oasis Rest Area
2 days ago
I-40 in California Road Weather FAQ
- Is I-40 in California closed right now?
- No full closures are reported on I-40 in California. No lane closures or roadworks are reported either.
- What are I-40 in California road conditions today?
- The map on this page colours the route along I-40 in California by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 24, 2026 12:29 AM UTC. Right now temperatures run from 102°F to 116°F and the strongest wind is 21 mph.
- Are there live traffic cameras on I-40 in California?
- Yes. This page shows one live view on I-40 in California from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are I-40 in California road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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