| 05:50 MST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSUN 291250Z AUTO 00000KT 10SM CLR M06/M12 A3022 RMK AO2 |
| 05:30 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSUN 291230Z AUTO 30006KT 10SM CLR M05/M12 A3022 RMK AO2 |
| 05:10 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSUN 291210Z AUTO 32007KT 10SM CLR M05/M12 A3022 RMK AO2 |
| 04:50 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSUN 291150Z AUTO 31004KT 10SM CLR M05/M12 A3021 RMK AO2 |
| 04:30 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSUN 291130Z AUTO 31004KT 10SM CLR M05/M12 A3022 RMK AO2 |
| 04:10 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KSUN 291110Z AUTO 33006KT 10SM CLR M05/M12 A3022 RMK AO2 |
| 03:50 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSUN 291050Z AUTO 31007KT 10SM CLR M05/M12 A3022 RMK AO2 |
| 03:30 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSUN 291030Z AUTO 31008KT 10SM CLR M05/M12 A3021 RMK AO2 |
| 03:10 MST |  Clear | -5°C / 23°F | -11°C / 12°F | 63% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSUN 291010Z AUTO 32007KT 10SM CLR M05/M11 A3022 RMK AO2 |
| 02:50 MST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KSUN 290950Z AUTO 32009KT 10SM CLR M03/M11 A3021 RMK AO2 |
| 02:30 MST |  Clear | -4°C / 25°F | -12°C / 10°F | 54% | 1023 mb (30.21 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KSUN 290930Z AUTO 34007KT 10SM CLR M04/M12 A3021 RMK AO2 |
| 02:10 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSUN 290910Z AUTO 31006KT 10SM CLR M03/M12 A3021 RMK AO2 |
| 01:50 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSUN 290850Z AUTO 30007KT 10SM CLR M03/M12 A3021 RMK AO2 |
| 01:30 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSUN 290830Z AUTO 30008KT 10SM CLR M03/M12 A3021 RMK AO2 |
| 01:10 MST |  Clear | -4°C / 25°F | -11°C / 12°F | 59% | 1023 mb (30.21 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KSUN 290810Z AUTO 31006KT 10SM CLR M04/M11 A3021 RMK AO2 |
| 00:50 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSUN 290750Z AUTO 32008KT 10SM CLR M03/M12 A3021 RMK AO2 |
| 00:30 MST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KSUN 290730Z AUTO 32008KT 10SM CLR M03/M11 A3021 RMK AO2 |
| 00:10 MST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSUN 290710Z AUTO 30007KT 10SM CLR M03/M11 A3021 RMK AO2 |