Next 7 departures
- SatOct 3
ClearNo significant weather expected. Temperatures 71–87°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Mostly sunny75°F Cajon Summit8 AM PDT Sunny71°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny80°F Mountain Pass10:15 AM PDT Sunny73°F Las Vegas11:15 AM PDT Sunny87°F - SunOct 4
ClearNo significant weather expected. Temperatures 71–88°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny77°F Cajon Summit8 AM PDT Sunny71°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny81°F Mountain Pass10:15 AM PDT Sunny74°F Las Vegas11:15 AM PDT Sunny88°F - MonOct 5
ClearNo significant weather expected. Temperatures 71–87°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny78°F Cajon Summit8 AM PDT Sunny71°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny82°F Mountain Pass10:15 AM PDT Sunny72°F Las Vegas11:15 AM PDT Sunny87°F - TueOct 6
ClearNo significant weather expected. Temperatures 71–89°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny77°F Cajon Summit8 AM PDT Sunny71°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny82°F Mountain Pass10:15 AM PDT Sunny74°F Las Vegas11:15 AM PDT Sunny89°F - WedOct 7
CautionNear 91°F near Las Vegas around 11:15 AM PDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny76°F Cajon Summit8 AM PDT Sunny72°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny82°F Mountain Pass10:15 AM PDT Sunny75°F Las Vegas11:15 AM PDT Sunny91°F - ThuOct 8
CautionNear 91°F near Las Vegas around 11:15 AM PDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny76°F Cajon Summit8 AM PDT Sunny74°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny83°F Mountain Pass10:15 AM PDT Sunny76°F Las Vegas11:15 AM PDT Sunny91°F - FriOct 9
CautionNear 90°F near Las Vegas around 11:15 AM PDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Mostly sunny74°F Cajon Summit8 AM PDT Sunny72°F Barstow8:45 AM PDT Sunny72°F Baker9:45 AM PDT Sunny82°F Mountain Pass10:15 AM PDT Sunny75°F Las Vegas11:15 AM PDT Sunny90°F
The worst conditions expected at any checkpoint, timed to when you would reach it driving without stops. Levels use Road Travel’s driving-risk scale.
The route, stop by stop
Checkpoints in order, with driving time from Los Angeles (no stops) and elevation. The forecast above is timed to these.
- Los Angeles, CAStart 284 ftelevation
- Cajon Summit, CAMountain pass · Mile 68 · 1 h 6 min 4,190 ftelevation
- Barstow, CAMile 114 · 1 h 48 min 2,380 ftelevation
- Baker, CAMile 176 · 2 h 44 min 932 ftelevation
- Mountain Pass, CAMile 210 · 3 h 15 min 4,729 ftelevation
- Las Vegas, NVMile 269 · 4 h 10 min 2,028 ftelevation
Typical weather by month
Average daily highs and lows, and days with an inch or more of snow, at Los Angeles, Barstow and Las Vegas.
| Month | Los Angeles 230 ft | Barstow 2,220 ft | Las Vegas Las Vegas Airport station · 2,131 ft | ||
|---|---|---|---|---|---|
| High / low °F | High / low °F | Snow days | High / low °F | Snow days | |
| Jan | 68° / 49° | 59° / 35° | 0 | 59° / 41° | 0 |
| Feb | 68° / 50° | 63° / 39° | 0 | 63° / 44° | 0 |
| Mar | 70° / 52° | 70° / 44° | 0 | 71° / 51° | 0 |
| Apr | 72° / 55° | 77° / 49° | 0 | 79° / 57° | 0 |
| May | 74° / 58° | 86° / 57° | 0 | 89° / 66° | 0 |
| Jun | 77° / 61° | 96° / 65° | 0 | 99° / 76° | 0 |
| Jul | 82° / 65° | 102° / 72° | 0 | 105° / 82° | 0 |
| Aug | 84° / 65° | 101° / 70° | 0 | 103° / 81° | 0 |
| Sep | 83° / 64° | 93° / 63° | 0 | 95° / 72° | 0 |
| Oct | 79° / 60° | 81° / 53° | 0 | 81° / 60° | 0 |
| Nov | 73° / 53° | 68° / 42° | 0 | 67° / 47° | 0 |
| Dec | 67° / 48° | 57° / 35° | 0.1 | 57° / 40° | 0.1 |
NOAA NCEI U.S. Climate Normals, 1991–2020: LOS ANGELES DWTN USC CAMPUS (USW00093134, 230 ft); BARSTOW (USC00040521, 2,220 ft); LAS VEGAS MCCARRAN AP (USW00023169, 2,131 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.
Road conditions
Closures and chain rules change by the hour, so we link to the official reports for California and Nevada rather than repeat them.
- For this passCaltrans I-15 highway conditions
- California · CaltransQuickMap conditions and cameras
- California · winter rulesChain controls
- Nevada · NDOTNVroads conditions and cameras
Check the official National Weather Service forecast and each state's road report before you leave.
Get alerts timed to where you’ll be when you get there
Road Travel plans the drive from Los Angeles to Las Vegas with the forecast at every stretch for the hour you’ll reach it, then warns you about weather ahead while you drive.
Questions about this drive
How long is the drive from Los Angeles to Las Vegas?
269 miles, about 4 hours of driving without stops, by way of I-15. Fuel, food and rest stops add to that.
What is the highest point on the drive?
Mountain Pass, at 4,729 ft. It comes at mile 210, about 3 h 15 min of driving after you leave Los Angeles.
How cold is Las Vegas in January?
The nearest long-term NOAA station, Las Vegas Airport (2,131 ft), averages a high of 59°F and a low of 41°F in January (1991–2020 normals).