| 07:15 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301415Z AUTO 00000KT 10SM CLR M04/M08 A3015 RMK AO1 |
| 06:55 MST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301355Z AUTO 00000KT 10SM CLR M05/M09 A3015 RMK AO1 |
| 06:35 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KFNL 301335Z AUTO 36003KT 10SM CLR M04/M08 A3016 RMK AO1 |
| 06:15 MST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301315Z AUTO 00000KT 10SM CLR M05/M08 A3015 RMK AO1 |
| 05:55 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301255Z AUTO 00000KT 10SM CLR M04/M08 A3015 RMK AO1 |
| 05:35 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1021 mb (30.15 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KFNL 301235Z AUTO 02003KT 10SM CLR M04/M07 A3015 RMK AO1 |
| 05:15 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301215Z AUTO 00000KT 10SM CLR M05/M07 A3015 RMK AO1 |
| 04:55 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KFNL 301155Z AUTO 01004KT 10SM CLR M04/M08 A3015 RMK AO1 11020 21050 57010 |
| 04:35 MST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1021 mb (30.15 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KFNL 301135Z AUTO 03005KT 10SM CLR M05/M08 A3016 RMK AO1 |
| 04:15 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301115Z AUTO 00000KT 10SM CLR M04/M08 A3016 RMK AO1 |
| 03:55 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KFNL 301055Z AUTO 00000KT 10SM CLR M04/M08 A3016 RMK AO1 |
| 03:35 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1021 mb (30.15 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KFNL 301035Z AUTO 17004KT 10SM CLR M04/M07 A3016 RMK AO1 |
| 03:15 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1021 mb (30.15 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KFNL 301015Z AUTO 17004KT 10SM CLR M03/M07 A3016 RMK AO1 |
| 02:55 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1021 mb (30.15 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KFNL 300955Z AUTO 17004KT 10SM CLR M03/M06 A3016 RMK AO1 |
| 02:35 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KFNL 300935Z AUTO 18003KT 10SM CLR M03/M07 A3017 RMK AO1 |
| 02:15 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KFNL 300915Z AUTO 00000KT 10SM CLR M03/M06 A3018 RMK AO1 |
| 01:55 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KFNL 300855Z AUTO 00000KT 10SM CLR M03/M06 A3018 RMK AO1 52003 |
| 01:35 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KFNL 300835Z AUTO 00000KT 10SM CLR M03/M06 A3018 RMK AO1 |
| 01:15 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KFNL 300815Z AUTO 26004KT 10SM CLR M03/M08 A3018 RMK AO1 |
| 00:55 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KFNL 300755Z AUTO 00000KT 10SM CLR M03/M08 A3018 RMK AO1 |
| 00:35 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KFNL 300735Z AUTO 01004KT 10SM CLR M03/M08 A3018 RMK AO1 |
| 00:15 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KFNL 300715Z AUTO 01006KT 10SM CLR M03/M07 A3019 RMK AO1 |