| 05:52 MST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1018 mb (30.06 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KALS 111252Z AUTO 30005KT 10SM CLR M23/M26 A3006 RMK AO2 SLP292 T12281256 |
| 04:52 MST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALS 111152Z AUTO 00000KT 10SM CLR M23/M27 A3006 RMK AO2 SLP283 T12331267 11178 21244 53005 |
| 03:52 MST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALS 111052Z AUTO 00000KT 10SM CLR M22/M26 A3005 RMK AO2 SLP266 T12221256 |
| 02:52 MST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALS 110952Z AUTO 00000KT 10SM CLR M22/M25 A3005 RMK AO2 SLP263 T12221250 |
| 01:52 MST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KALS 110852Z AUTO 25004KT 10SM CLR M22/M25 A3004 RMK AO2 SLP260 T12171250 51007 |
| 00:52 MST |  Clear | -21°C / -6°F | -23°C / -9°F | 84% | 1017 mb (30.03 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KALS 110752Z AUTO 22004KT 10SM CLR M21/M23 A3003 RMK AO2 SLP251 T12061233 |