DriveWindow route answer
How does weather change by season between Los Angeles and Las Vegas?
Summer heat and sudden desert storms can change the best departure window quickly. The main seasonal conditions to compare along I-15 through the Mojave Desert are desert heat, crosswinds and blowing dust, and thunderstorm outflow near mountain passes. Check the full corridor close to departure rather than relying on one destination forecast.
Route facts
Los Angeles → Las Vegas
- Distance
- 270 miles
- Typical drive
- 4.5 hours
- Planning baseline
- Early morning
- Main weather risks
- desert heat · crosswinds and blowing dust · thunderstorm outflow near mountain passes
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Seasonal planning
How conditions change through the year
Summer heat and sudden desert storms can change the best departure window quickly.
Compare how desert heat, crosswinds and blowing dust, and thunderstorm outflow near mountain passes overlaps with the hours you expect to be on the road.
What to check before leaving
Summer heat and sudden desert storms can change the best departure window quickly. Key weather factors: desert heat, crosswinds and blowing dust, thunderstorm outflow near mountain passes.
- desert heat
- crosswinds and blowing dust
- thunderstorm outflow near mountain passes
Route planning answers
Common questions about this drive
Sources and methodology
How this answer is produced
Drive time and distance are planning baselines, not live traffic estimates. Website guidance combines route-specific research, representative corridor points, and official source links; the app completes the forecast for your date and departure time.
US National Weather Service Environment and Climate Change Canada Caltrans QuickMapNevada 511 Route weather methodology Data-source policy