| 04:58 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1003 mb (29.62 in) | ENE 7 kph (ENE 4.6 mph) | - | 1SM |
| | KVTP 231158Z AUTO 07004KT 1SM OVC002 M07/M08 A2961 RMK AO2 |
| 04:38 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1003 mb (29.62 in) | Calm | - | 7SM |
| | KVTP 231138Z AUTO 00000KT 7SM BKN002 OVC009 M06/M08 A2961 RMK AO2 |
| 04:18 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | Calm | - | 7SM |
| | KVTP 231118Z AUTO 00000KT 7SM SCT002 BKN007 OVC011 M06/M07 A2961 RMK AO2 |
| 03:58 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 7 kph (SSW 4.6 mph) | - | 7SM |
| | KVTP 231058Z AUTO 25004KT 7SM BKN003 BKN010 OVC023 M06/M07 A2961 RMK AO2 |
| 03:38 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 7 kph (SSW 4.6 mph) | - | 3SM |
| | KVTP 231038Z AUTO 26004KT 3SM SCT001 BKN005 OVC028 M06/M07 A2961 RMK AO2 |
| 03:18 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 9 kph (SSW 5.8 mph) | - | 3SM |
| | KVTP 231018Z AUTO 24005KT 3SM BKN002 OVC005 M06/M07 A2961 RMK AO2 |
| 02:58 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 9 kph (SSW 5.8 mph) | - | 4SM |
| | KVTP 230958Z AUTO 25005KT 4SM BKN002 BKN007 OVC023 M06/M07 A2961 RMK AO2 |
| 02:38 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SW 13 kph (SW 8.1 mph) | - | 4SM |
| | KVTP 230938Z AUTO 23007G14KT 190V310 4SM BKN004 BKN012 OVC036 M06/M07 A2961 RMK AO2 |
| 02:18 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 15 kph (SSW 9.2 mph) | - | 1 1/2SM |
| | KVTP 230918Z AUTO 24008KT 1 1/2SM BKN004 OVC012 M06/M07 A2961 RMK AO2 |
| 01:58 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 9 kph (SSW 5.8 mph) | - | 1 1/2SM |
| | KVTP 230858Z AUTO 24005KT 1 1/2SM OVC005 M06/M07 A2961 RMK AO2 |
| 01:38 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 13 kph (SSW 8.1 mph) | - | 1SM |
| | KVTP 230838Z AUTO 25007KT 1SM SCT002 OVC005 M06/M07 A2961 RMK AO2 |
| 01:18 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SW 13 kph (SW 8.1 mph) | - | 3/4SM |
| | KVTP 230818Z AUTO 23007KT 170V260 3/4SM BKN001 OVC007 M06/M07 A2961 RMK AO2 |
| 00:58 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SSW 13 kph (SSW 8.1 mph) | - | 2SM |
| | KVTP 230758Z AUTO 24007KT 200V340 2SM BKN003 BKN008 OVC020 M06/M07 A2961 RMK AO2 |
| 00:38 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SW 15 kph (SW 9.2 mph) | - | 4SM |
| | KVTP 230738Z AUTO 23008G15KT 200V260 4SM SCT002 BKN028 OVC044 M06/M07 A2961 RMK AO2 |
| 00:18 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1003 mb (29.62 in) | SW 15 kph (SW 9.2 mph) | - | 4SM |
| | KVTP 230718Z AUTO 23008G17KT 4SM OVC002 M06/M07 A2961 RMK AO2 |