| 06:51 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KLGU 031351Z AUTO 00000KT 10SM CLR M14/M18 A3020 RMK AO2 SLP284 T11391183 |
| 05:51 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KLGU 031251Z AUTO 00000KT 10SM CLR M14/M18 A3018 RMK AO2 SLP275 T11391183 |
| 04:51 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KLGU 031151Z AUTO 00000KT 10SM CLR M13/M18 A3017 RMK AO2 SLP259 T11331178 11089 21139 51012 |
| 03:51 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KLGU 031051Z AUTO 00000KT 10SM CLR M13/M18 A3015 RMK AO2 SLP251 T11331178 |
| 02:51 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1021 mb (30.15 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KLGU 030951Z AUTO 02003KT 10SM CLR M13/M18 A3014 RMK AO2 SLP245 T11281178 |
| 01:51 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KLGU 030851Z AUTO 00000KT 10SM CLR M13/M18 A3012 RMK AO2 SLP240 T11281178 51007 |
| 00:51 MST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1020 mb (30.12 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KLGU 030751Z AUTO 07003KT 10SM CLR M12/M18 A3012 RMK AO2 SLP240 T11171178 |