| 03:19 MST |  Clear | -18°C / 0°F | -20°C / -4°F | 84% | 1000 mb (29.53 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KVTP 091019Z AUTO 25009G19KT 200V300 10SM CLR M18/M20 A2952 RMK AO2 |
| 02:59 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1000 mb (29.53 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KVTP 090959Z AUTO 26008G18KT 230V310 10SM CLR M17/M20 A2952 RMK AO2 |
| 02:39 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1000 mb (29.53 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KVTP 090939Z AUTO 25008G23KT 210V290 10SM CLR M17/M20 A2952 RMK AO2 |
| 02:19 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 999 mb (29.5 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KVTP 090919Z AUTO 25010G22KT 200V330 10SM CLR M16/M19 A2951 RMK AO2 |
| 01:59 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 999 mb (29.5 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KVTP 090859Z AUTO 25010G18KT 200V290 10SM CLR M16/M18 A2950 RMK AO2 |
| 01:39 MST |  Partly Cloudy | -17°C / 1°F | -20°C / -4°F | 78% | 999 mb (29.5 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KVTP 090839Z AUTO 26008G17KT 220V300 10SM SCT020 SCT027 M17/M20 A2950 RMK AO2 |
| 01:19 MST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 999 mb (29.5 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KVTP 090819Z AUTO 26008G15KT 200V330 10SM BKN020 BKN026 OVC032 M16/M18 A2949 RMK AO2 |
| 00:59 MST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 999 mb (29.5 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KVTP 090759Z AUTO 26007KT 170V320 10SM BKN018 OVC026 M16/M18 A2950 RMK AO2 |
| 00:39 MST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 999 mb (29.5 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KVTP 090739Z AUTO 27008G15KT 210V310 10SM SCT010 BKN020 OVC025 M16/M18 A2950 RMK AO2 |
| 00:19 MST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 999 mb (29.5 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KVTP 090719Z AUTO 28009G16KT 220V360 10SM BKN010 OVC018 M15/M17 A2950 RMK AO2 |