| Zone | Jul 26 | Jul 27 | Jul 28 | Jul 29 | Jul 30 | Jul 31 | Aug 01 |
|---|---|---|---|---|---|---|---|
| East of North Salt Lake | high | high | high | high | high | high | high |
| West of Utah Lake and East of Eagle Mountain | moderate | high | high | high | high | high | high |
| East of Enterprise UT | low | moderate | moderate | moderate | moderate | moderate | moderate |
| West of Tehachapi CA | high | high | high | moderate | low | low | low |
| Northeast of Bakersfield CA | high | high | moderate | moderate | moderate | moderate | moderate |