| 09:52 MST |  Clear | 1°C / 34°F | -11°C / 12°F | 41% | 1025 mb (30.27 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KALS 271652Z AUTO 02003KT 10SM CLR 01/M11 A3026 RMK AO2 SLP275 T00061111 |
| 08:52 MST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KALS 271552Z AUTO 00000KT 10SM CLR M06/M12 A3027 RMK AO2 SLP293 T10611117 |
| 07:52 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KALS 271452Z AUTO 00000KT 10SM CLR M12/M15 A3027 RMK AO2 SLP310 T11171150 56005 $ |
| 06:52 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1025 mb (30.27 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KALS 271352Z AUTO 26003KT 10SM CLR M14/M17 A3028 RMK AO2 SLP308 T11441167 $ |
| 05:52 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KALS 271252Z AUTO 22003KT 10SM CLR M16/M18 A3028 RMK AO2 SLP294 T11561183 $ |
| 04:52 MST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 271152Z AUTO 00000KT 10SM CLR M15/M17 A3029 RMK AO2 SLP291 T11501167 11083 21150 56005 $ |
| 03:52 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1026 mb (30.3 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KALS 271052Z AUTO 28003KT 10SM CLR M13/M16 A3030 RMK AO2 SLP271 T11281156 $ |
| 02:52 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270952Z AUTO 00000KT 10SM CLR M12/M15 A3030 RMK AO2 SLP270 T11221150 $ |
| 01:52 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270852Z AUTO 00000KT 10SM CLR M13/M16 A3031 RMK AO2 SLP280 T11331161 56005 $ |
| 00:52 MST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270752Z AUTO 00000KT 10SM CLR M11/M14 A3031 RMK AO2 SLP276 T11111144 $ |