| 05:55 MST |  Clear | -12°C / 10°F | -12°C / 10°F | 100% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KMUO 031255Z AUTO 00000KT 10SM CLR M12/M12 A3030 RMK AO2 SLP303 T11181120 |
| 04:55 MST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1026 mb (30.3 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KMUO 031155Z AUTO 12006KT 10SM CLR M11/M12 A3029 RMK AO2 SLP294 T11081116 11066 21113 51014 |
| 03:55 MST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1025 mb (30.27 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KMUO 031055Z AUTO 12005KT 10SM CLR M09/M10 A3028 RMK AO2 SLP285 T10911104 |
| 02:55 MST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1025 mb (30.27 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KMUO 030955Z AUTO 12006KT 10SM CLR M07/M09 A3026 RMK AO2 SLP276 T10701093 |
| 01:55 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1024 mb (30.24 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KMUO 030855Z AUTO 08003KT 10SM CLR M08/M09 A3025 RMK AO2 SLP274 T10831090 53024 |
| 00:55 MST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KMUO 030755Z 00000KT 10SM CLR M07/M08 A3022 RMK AO2A SLP260 T10721080 |