| 06:35 MST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1025 mb (30.27 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 231335Z AUTO 30009KT 10SM CLR M04/M09 A3026 RMK AO1 |
| 06:15 MST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1024 mb (30.24 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 231315Z AUTO 30007KT 10SM CLR M04/M09 A3025 RMK AO1 |
| 05:55 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 231255Z AUTO 31007KT 10SM CLR M03/M09 A3025 RMK AO1 |
| 05:35 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 231235Z AUTO 31007KT 10SM CLR M03/M09 A3025 RMK AO1 |
| 05:15 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 231215Z AUTO 32009KT 10SM CLR M03/M09 A3025 RMK AO1 |
| 04:55 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 231155Z AUTO 31009KT 10SM CLR M03/M09 A3025 RMK AO1 11020 21030 52020 |
| 04:35 MST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1024 mb (30.24 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KEUL 231135Z AUTO 29012KT 10SM CLR M02/M09 A3024 RMK AO1 |
| 04:15 MST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1024 mb (30.24 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KEUL 231115Z AUTO 29014KT 10SM CLR M02/M09 A3024 RMK AO1 |
| 03:55 MST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1024 mb (30.24 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KEUL 231055Z AUTO 30011KT 10SM CLR M02/M09 A3024 RMK AO1 |
| 03:35 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KEUL 231035Z AUTO 29012KT 10SM CLR M02/M08 A3023 RMK AO1 |
| 03:15 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1023 mb (30.21 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KEUL 231015Z AUTO 30012KT 10SM CLR M03/M09 A3022 RMK AO1 |
| 02:55 MST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1023 mb (30.21 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KEUL 230955Z AUTO 29010KT 10SM CLR M02/M09 A3021 RMK AO1 |
| 02:35 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KEUL 230935Z AUTO 29012KT 10SM CLR M02/M08 A3021 RMK AO1 |
| 02:15 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KEUL 230915Z AUTO 29011KT 10SM CLR M02/M08 A3020 RMK AO1 |
| 01:55 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KEUL 230855Z AUTO 30011KT 10SM CLR M02/M08 A3019 RMK AO1 52024 |
| 01:35 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KEUL 230835Z AUTO 30011KT 10SM CLR M02/M08 A3018 RMK AO1 |
| 01:15 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KEUL 230815Z AUTO 29009KT 10SM CLR M02/M08 A3017 RMK AO1 |
| 00:55 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1021 mb (30.15 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KEUL 230755Z AUTO 30010KT 10SM CLR M02/M08 A3016 RMK AO1 |
| 00:35 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1021 mb (30.15 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KEUL 230735Z AUTO 29012KT 10SM CLR M02/M08 A3016 RMK AO1 |
| 00:15 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1021 mb (30.15 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 230715Z AUTO 30009KT 10SM CLR M02/M08 A3016 RMK AO1 |