| 14:15 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1022 mb (30.18 in) | NW 46 kph (NW 28.8 mph) | - | 7SM |
| | KGDV 262115Z AUTO 32025G29KT 7SM OVC048 M12/M13 A3017 RMK AO1 |
| 13:55 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1022 mb (30.18 in) | NW 41 kph (NW 25.3 mph) | - | 9SM |
| | KGDV 262055Z AUTO 32022KT 9SM OVC048 M11/M13 A3018 RMK AO1 57007 |
| 13:35 MST |  Overcast | -11°C / 12°F | -16°C / 3°F | 67% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 9SM |
| | KGDV 262035Z AUTO 32024G27KT 9SM OVC050 M11/M16 A3017 RMK AO1 |
| 13:15 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 9SM |
| | KGDV 262015Z AUTO 32023KT 9SM OVC050 M12/M15 A3017 RMK AO1 |
| 12:55 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 9SM |
| | KGDV 261955Z AUTO 32024G27KT 9SM OVC050 M12/M15 A3018 RMK AO1 |
| 12:35 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 8SM |
| | KGDV 261935Z AUTO 32023G30KT 8SM OVC050 M12/M14 A3018 RMK AO1 |
| 12:15 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NW 37 kph (NW 23 mph) | - | 9SM |
| | KGDV 261915Z AUTO 32020G27KT 9SM OVC050 M12/M14 A3019 RMK AO1 |
| 11:55 MST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | NW 37 kph (NW 23 mph) | - | 7SM |
| | KGDV 261855Z AUTO 32020G29KT 7SM OVC055 M13/M17 A3018 RMK AO1 |
| 11:35 MST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 8SM |
| | KGDV 261835Z AUTO 32023G28KT 8SM OVC055 M13/M17 A3019 RMK AO1 |
| 11:15 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 8SM |
| | KGDV 261815Z AUTO 32024G27KT 8SM BKN055 OVC065 M13/M16 A3019 RMK AO1 |
| 10:55 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | NW 41 kph (NW 25.3 mph) | - | 10SM |
| | KGDV 261755Z AUTO 32022G26KT 10SM SCT025 OVC065 M13/M16 A3020 RMK AO1 11130 21140 52007 |
| 10:35 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | NW 39 kph (NW 24.2 mph) | - | 7SM |
| | KGDV 261735Z AUTO 32021G27KT 7SM BKN025 OVC040 M13/M16 A3020 RMK AO1 |
| 10:15 MST |  Mostly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1023 mb (30.21 in) | NW 43 kph (NW 26.5 mph) | - | 9SM |
| | KGDV 261715Z AUTO 32023G28KT 9SM SCT023 BKN040 M13/M17 A3020 RMK AO1 |
| 09:55 MST |  Partly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1023 mb (30.21 in) | NW 43 kph (NW 26.5 mph) | - | 8SM |
| | KGDV 261655Z AUTO 32023KT 8SM SCT055 M13/M17 A3020 RMK AO1 |
| 09:35 MST |  Mostly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | NW 44 kph (NW 27.6 mph) | - | 5SM |
| | KGDV 261635Z AUTO 32024G29KT 5SM FEW041 BKN055 M13/M16 A3020 RMK AO1 |
| 09:15 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 5SM |
| | KGDV 261615Z AUTO 32024G29KT 5SM OVC044 M14/M17 A3019 RMK AO1 |
| 08:55 MST |  Mostly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 5SM |
| | KGDV 261555Z AUTO 32024G30KT 5SM FEW032 BKN046 M13/M17 A3019 RMK AO1 |
| 08:35 MST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 6SM |
| | KGDV 261535Z AUTO 32023G28KT 6SM FEW032 SCT055 M14/M17 A3019 RMK AO1 |
| 08:15 MST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 5SM |
| | KGDV 261515Z AUTO 32024G30KT 5SM CLR M14/M16 A3019 RMK AO1 |
| 07:55 MST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 4SM |
| | KGDV 261455Z AUTO 32024G30KT 4SM SCT025 SCT030 M14/M17 A3018 RMK AO1 52007 |
| 07:35 MST |  Mostly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 46 kph (NW 28.8 mph) | - | 5SM |
| | KGDV 261435Z AUTO 32025G30KT 5SM SCT025 BKN030 M14/M17 A3018 RMK AO1 |
| 07:15 MST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 44 kph (NW 27.6 mph) | - | 9SM |
| | KGDV 261415Z AUTO 32024G27KT 9SM SCT026 M14/M17 A3018 RMK AO1 |
| 06:55 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 6SM |
| | KGDV 261355Z AUTO 32023G28KT 6SM CLR M14/M17 A3018 RMK AO1 |
| 06:35 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 46 kph (NW 28.8 mph) | - | 9SM |
| | KGDV 261335Z AUTO 32025G28KT 9SM CLR M14/M17 A3018 RMK AO1 |
| 06:15 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NNW 39 kph (NNW 24.2 mph) | - | 7SM |
| | KGDV 261315Z AUTO 33021G28KT 7SM CLR M14/M17 A3018 RMK AO1 |
| 05:55 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NNW 48 kph (NNW 29.9 mph) | - | 4SM |
| | KGDV 261255Z AUTO 33026G33KT 4SM CLR M14/M17 A3017 RMK AO1 |
| 05:35 MST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1022 mb (30.18 in) | NNW 50 kph (NNW 31.1 mph) | - | 3SM |
| | KGDV 261235Z AUTO 33027G33KT 3SM SCT029 M14/M16 A3017 RMK AO1 |
| 05:15 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1021 mb (30.15 in) | NNW 50 kph (NNW 31.1 mph) | - | 3SM |
| | KGDV 261215Z AUTO 33027G32KT 3SM OVC029 M14/M17 A3016 RMK AO1 |
| 04:55 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1021 mb (30.15 in) | NNW 50 kph (NNW 31.1 mph) | - | 3SM |
| | KGDV 261155Z AUTO 33027G31KT 3SM BKN029 OVC080 M14/M17 A3016 RMK AO1 11120 21140 52007 |
| 04:35 MST |  Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1022 mb (30.18 in) | NW 50 kph (NW 31.1 mph) | - | 3SM |
| | KGDV 261135Z AUTO 32027G32KT 3SM BKN029 M14/M16 A3017 RMK AO1 |
| 04:15 MST |  Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1022 mb (30.18 in) | NW 48 kph (NW 29.9 mph) | - | 2 1/2SM |
| | KGDV 261115Z AUTO 32026G31KT 2 1/2SM BKN027 M14/M16 A3017 RMK AO1 |
| 03:55 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 3SM |
| | KGDV 261055Z AUTO 32023G29KT 3SM OVC025 M14/M17 A3018 RMK AO1 |
| 03:35 MST |  Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1022 mb (30.18 in) | NW 43 kph (NW 26.5 mph) | - | 4SM |
| | KGDV 261035Z AUTO 32023G31KT 4SM OVC021 M14/M16 A3018 RMK AO1 |
| 03:15 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb (30.18 in) | NW 48 kph (NW 29.9 mph) | - | 3SM |
| | KGDV 261015Z AUTO 32026G31KT 3SM OVC019 M13/M16 A3017 RMK AO1 |
| 02:55 MST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1022 mb (30.18 in) | NW 48 kph (NW 29.9 mph) | - | 2 1/2SM |
| | KGDV 260955Z AUTO 32026G33KT 2 1/2SM OVC019 M13/M15 A3017 RMK AO1 |
| 02:35 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1021 mb (30.15 in) | NW 48 kph (NW 29.9 mph) | - | 2SM |
| | KGDV 260935Z AUTO 32026G33KT 2SM OVC019 M13/M16 A3016 RMK AO1 |
| 02:15 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1021 mb (30.15 in) | NW 52 kph (NW 32.2 mph) | - | 1 3/4SM |
| | KGDV 260915Z AUTO 32028G33KT 1 3/4SM OVC017 M13/M16 A3015 RMK AO1 |
| 01:55 MST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1021 mb (30.15 in) | NW 54 kph (NW 33.4 mph) | - | 2SM |
| | KGDV 260855Z AUTO 32029G33KT 2SM OVC019 M13/M15 A3014 RMK AO1 52003 |
| 01:35 MST |  Overcast | -13°C / 9°F | -14°C / 7°F | 92% | 1021 mb (30.15 in) | NW 50 kph (NW 31.1 mph) | - | 1 3/4SM |
| | KGDV 260835Z AUTO 32027G32KT 1 3/4SM OVC019 M13/M14 A3014 RMK AO1 |
| 01:15 MST |  Overcast | -13°C / 9°F | -14°C / 7°F | 92% | 1021 mb (30.15 in) | NW 56 kph (NW 34.5 mph) | - | 2SM |
| | KGDV 260815Z AUTO 32030G33KT 2SM OVC021 M13/M14 A3014 RMK AO1 |
| 00:55 MST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1021 mb (30.15 in) | NW 50 kph (NW 31.1 mph) | - | 1 3/4SM |
| | KGDV 260755Z AUTO 32027G33KT 1 3/4SM OVC021 M13/M15 A3014 RMK AO1 |
| 00:35 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1021 mb (30.15 in) | NNW 48 kph (NNW 29.9 mph) | - | 1 1/2SM |
| | KGDV 260735Z AUTO 33026G34KT 1 1/2SM OVC023 M12/M15 A3014 RMK AO1 |
| 00:15 MST |  Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1020 mb (30.12 in) | NW 54 kph (NW 33.4 mph) | - | 1 1/4SM |
| | KGDV 260715Z AUTO 32029G35KT 1 1/4SM OVC023 M13/M15 A3013 RMK AO1 |