| 04:54 MST |  Clear | -14°C / 7°F | -25°C / -13°F | 39% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KSJN 051154Z AUTO 00000KT 10SM CLR M14/M25 A2998 RMK AO2 SLP182 T11441250 11094 21150 58021 |
| 03:54 MST |  Clear | -13°C / 9°F | -24°C / -11°F | 39% | 1016 mb (30 in) | Calm | - | 10SM |
| | KSJN 051054Z AUTO 00000KT 10SM CLR M13/M24 A3001 RMK AO2 SLP186 T11331244 |
| 02:54 MST |  Clear | -14°C / 7°F | -26°C / -15°F | 36% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSJN 050954Z AUTO 00000KT 10SM CLR M14/M26 A3004 RMK AO2 SLP201 T11391256 |
| 01:54 MST |  Clear Hazy | -12°C / 10°F | -24°C / -11°F | 36% | 1018 mb (30.06 in) | SW 7 kph (SW 4.6 mph) | - | 5SM |
| | KSJN 050854Z AUTO 22004KT 5SM HZ CLR M12/M24 A3005 RMK AO2 SLP200 T11171244 56012 |
| 00:54 MST |  Clear | -11°C / 12°F | -25°C / -13°F | 31% | 1018 mb (30.06 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSJN 050754Z AUTO 04003KT 10SM CLR M11/M25 A3006 RMK AO2 SLP203 T11061250 |