| 08:54 MST |  Clear | 0°C / 32°F | -13°C / 9°F | 37% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSJN 271554Z AUTO 00000KT 10SM CLR 00/M13 A3022 RMK AO2 SLP239 T00001133 |
| 07:54 MST |  Clear | -6°C / 21°F | -17°C / 1°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSJN 271454Z AUTO 00000KT 10SM CLR M06/M17 A3022 RMK AO2 SLP250 T10561167 55001 |
| 06:54 MST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSJN 271354Z AUTO 00000KT 10SM CLR M06/M16 A3022 RMK AO2 SLP249 T10561156 |
| 05:54 MST |  Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSJN 271254Z AUTO 00000KT 10SM CLR M07/M17 A3023 RMK AO2 SLP244 T10671167 |
| 04:54 MST |  Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1024 mb (30.24 in) | Calm | - | 9SM |
| | KSJN 271154Z AUTO 00000KT 9SM CLR M07/M17 A3023 RMK AO2 SLP232 T10721172 11022 21078 56004 |
| 03:54 MST |  Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSJN 271054Z AUTO 00000KT 10SM CLR M07/M17 A3023 RMK AO2 SLP224 T10721172 |
| 02:54 MST |  Clear | -7°C / 19°F | -18°C / 0°F | 42% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSJN 270954Z AUTO 00000KT 10SM CLR M07/M18 A3024 RMK AO2 SLP229 T10721178 |
| 01:54 MST |  Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1024 mb (30.24 in) | Calm | - | 9SM |
| | KSJN 270854Z AUTO 00000KT 9SM CLR M07/M17 A3024 RMK AO2 SLP230 T10671172 56006 |
| 00:54 MST |  Clear | -5°C / 23°F | -17°C / 1°F | 39% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSJN 270754Z AUTO 00000KT 10SM CLR M05/M17 A3024 RMK AO2 SLP232 T10501172 |