| 05:15 MST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPVU 271215Z 00000KT 10SM CLR M04/M06 A3012 RMK AO1 |
| 04:55 MST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1020 mb (30.12 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KPVU 271155Z 10003KT 10SM CLR M04/M06 A3012 RMK AO1 10010 21060 57014 |
| 04:35 MST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPVU 271135Z 00000KT 10SM CLR M02/M05 A3011 RMK AO1 |
| 04:15 MST |  Clear | -1°C / 30°F | -5°C / 23°F | 75% | 1020 mb (30.12 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KPVU 271115Z 18004KT 10SM CLR M01/M05 A3012 RMK AO1 |
| 03:55 MST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1020 mb (30.12 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KPVU 271055Z 12008KT 10SM CLR M01/M04 A3012 RMK AO1 |
| 03:35 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KPVU 271035Z 00000KT 10SM CLR M04/M07 A3013 RMK AO1 |
| 03:15 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KPVU 271015Z 00000KT 10SM CLR M03/M08 A3014 RMK AO1 |
| 02:55 MST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPVU 270955Z 24006KT 10SM CLR M01/M03 A3014 RMK AO1 |
| 02:35 MST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1021 mb (30.15 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPVU 270935Z 18005KT 10SM CLR M02/M05 A3015 RMK AO1 |
| 02:15 MST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1021 mb (30.15 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KPVU 270915Z 15004KT 10SM CLR M02/M02 A3015 RMK AO1 |
| 01:55 MST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1021 mb (30.15 in) | Calm | - | 8SM |
| | KPVU 270855Z 00000KT 8SM CLR M04/M05 A3016 RMK AO1 57007 |
| 01:35 MST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | NE 9 kph (NE 5.8 mph) | - | 5SM |
| | KPVU 270835Z 05005KT 5SM CLR M05/M06 A3015 RMK AO1 |
| 01:15 MST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1021 mb (30.15 in) | Calm | - | 7SM |
| | KPVU 270815Z 00000KT 7SM CLR M04/M06 A3016 RMK AO1 |
| 00:55 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1021 mb (30.15 in) | Calm | - | 7SM |
| | KPVU 270755Z 00000KT 7SM CLR M06/M08 A3016 RMK AO1 |
| 00:35 MST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1022 mb (30.18 in) | Calm | - | 6SM |
| | KPVU 270735Z 00000KT 6SM CLR M05/M06 A3017 RMK AO1 |
| 00:15 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | Calm | - | 7SM |
| | KPVU 270715Z 00000KT 7SM CLR M03/M06 A3017 RMK AO1 |