Next 7 departures
- TueOct 13
CautionLight snow showers near I-15 north of Beaver around 3:30 PM MDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny55°F Cajon Summit8 AM PDT Sunny44°F Barstow8:45 AM PDT Sunny47°F California–Nevada line10:30 AM PDT Sunny55°F Las Vegas11:15 AM PDT Mostly sunny63°F St. George2 PM MDT Scattered light rain showers58°F Cedar City2:30 PM MDT Light rain showers47°F I-15 north of Beaver3:30 PM MDT Light snow showers44°F Provo5:30 PM MDT Light rain showers52°F Salt Lake City6 PM MDT Light rain showers50°F - WedOct 14
ClearNo significant weather expected. Temperatures 47–65°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny59°F Cajon Summit8 AM PDT Sunny52°F Barstow8:45 AM PDT Sunny49°F California–Nevada line10:30 AM PDT Sunny56°F Las Vegas11:15 AM PDT Sunny65°F St. George2 PM MDT Mostly sunny61°F Cedar City2:30 PM MDT Partly sunny51°F I-15 north of Beaver3:30 PM MDT Partly sunny47°F Provo5:30 PM MDT Scattered light rain showers56°F Salt Lake City6 PM MDT Partly sunny55°F - ThuOct 15
CautionGusts to 30 mph near Las Vegas around 11:15 AM PDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny59°F Cajon Summit8 AM PDT Sunny56°F Barstow8:45 AM PDT Sunny53°F California–Nevada line10:30 AM PDT Sunny61°F Las Vegas11:15 AM PDT Sunny71°F St. George2 PM MDT Sunny65°F Cedar City2:30 PM MDT Sunny59°F I-15 north of Beaver3:30 PM MDT Sunny56°F Provo5:30 PM MDT Mostly sunny64°F Salt Lake City6 PM MDT Sunny61°F - FriOct 16
CautionGusts to 32 mph near Cajon Summit around 8 AM PDT.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny66°F Cajon Summit8 AM PDT Sunny56°F Barstow8:45 AM PDT Sunny57°F California–Nevada line10:30 AM PDT Sunny64°F Las Vegas11:15 AM PDT Sunny74°F St. George2 PM MDT Sunny71°F Cedar City2:30 PM MDT Sunny63°F I-15 north of Beaver3:30 PM MDT Sunny61°F Provo5:30 PM MDT Sunny67°F Salt Lake City6 PM MDT Sunny63°F - SatOct 17
ClearNo significant weather expected. Temperatures 58–74°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Mostly sunny69°F Cajon Summit8 AM PDT Sunny58°F Barstow8:45 AM PDT Sunny59°F California–Nevada line10:30 AM PDT Mostly sunny64°F Las Vegas11:15 AM PDT Mostly sunny74°F St. George2 PM MDT Mostly sunny71°F Cedar City2:30 PM MDT Mostly sunny64°F I-15 north of Beaver3:30 PM MDT Mostly sunny62°F Provo5:30 PM MDT Sunny68°F Salt Lake City6 PM MDT Mostly sunny64°F - SunOct 18
ClearNo significant weather expected. Temperatures 58–74°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Sunny68°F Cajon Summit8 AM PDT Sunny58°F Barstow8:45 AM PDT Sunny58°F California–Nevada line10:30 AM PDT Sunny66°F Las Vegas11:15 AM PDT Sunny74°F St. George2 PM MDT Sunny71°F Cedar City2:30 PM MDT Sunny65°F I-15 north of Beaver3:30 PM MDT Mostly sunny64°F Provo5:30 PM MDT Sunny70°F Salt Lake City6 PM MDT Mostly sunny66°F - MonOct 19
ClearNo significant weather expected. Temperatures 59–76°F along the way.
Along the way
Checkpoint · arrival Weather · temperature Los Angeles7 AM PDT Mostly sunny67°F Cajon Summit8 AM PDT Sunny59°F Barstow8:45 AM PDT Sunny59°F California–Nevada line10:30 AM PDT Sunny68°F Las Vegas11:15 AM PDT Sunny76°F St. George2 PM MDT Sunny73°F Cedar City2:30 PM MDT Sunny66°F I-15 north of Beaver3:30 PM MDT Sunny65°F Provo5:30 PM MDT Sunny70°F Salt Lake City6 PM MDT Chance of light rain showers67°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
- California–Nevada lineState line · Mile 226 · 3 h 29 min 2,610 ftelevation
- Las Vegas, NVMile 269 · 4 h 9 min 2,028 ftelevation
- St. George, UTMile 388 · 5 h 55 min 2,754 ftelevation
- Cedar City, UTMile 438 · 6 h 36 min 5,846 ftelevation
- I-15 north of Beaver, UTMile 504 · 7 h 28 min 6,600 ftelevation
- Provo, UTMile 644 · 9 h 25 min 4,553 ftelevation
- Salt Lake City, UTMile 689 · 10 h 6 min 4,264 ftelevation
Typical weather by month
Average daily highs and lows, and days with an inch or more of snow, at Los Angeles, Cedar City and Salt Lake City.
| Month | Los Angeles 230 ft | Cedar City 6,090 ft | Salt Lake City 4,225 ft | ||
|---|---|---|---|---|---|
| High / low °F | High / low °F | Snow days | High / low °F | Snow days | |
| Jan | 68° / 49° | 42° / 22° | 2.5 | 39° / 24° | 3.6 |
| Feb | 68° / 50° | 45° / 24° | 3.2 | 45° / 29° | 3.0 |
| Mar | 70° / 52° | 54° / 30° | 3.5 | 55° / 36° | 2.3 |
| Apr | 72° / 55° | 61° / 35° | 1.4 | 62° / 42° | 1.0 |
| May | 74° / 58° | 70° / 44° | 0.4 | 73° / 50° | 0 |
| Jun | 77° / 61° | 82° / 54° | 0 | 84° / 59° | 0 |
| Jul | 82° / 65° | 88° / 62° | 0 | 94° / 68° | 0 |
| Aug | 84° / 65° | 86° / 61° | 0 | 92° / 67° | 0 |
| Sep | 83° / 64° | 77° / 52° | 0 | 81° / 56° | 0 |
| Oct | 79° / 60° | 65° / 39° | 0.4 | 66° / 44° | 0.3 |
| Nov | 73° / 53° | 52° / 29° | 1.9 | 51° / 33° | 2.1 |
| Dec | 67° / 48° | 41° / 21° | 3.5 | 39° / 25° | 3.8 |
NOAA NCEI U.S. Climate Normals, 1991–2020: LOS ANGELES DWTN USC CAMPUS (USW00093134, 230 ft); CEDAR CITY (USC00421259, 6,090 ft); SALT LAKE CITY INTL AP (USW00024127, 4,225 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, Nevada and Utah 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
- Utah · UDOTUDOT Traffic road conditions
- Utah · winter rulesTraction law summary
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 Salt Lake City 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 Salt Lake City?
689 miles, about 10 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?
On I-15 north of Beaver, at 6,600 ft. It comes at mile 504, about 7 h 28 min of driving after you leave Los Angeles.
How cold is Salt Lake City in January?
Salt Lake City averages a high of 39°F and a low of 24°F in January (1991–2020 normals).