| 20:55 MST |  Overcast | -19°C / -2°F | -23°C / -9°F | 71% | 1021 mb (30.15 in) | NW 26 kph (NW 16.1 mph) | - | 2 1/2SM |
| | KGDV 250355Z AUTO 32014KT 2 1/2SM OVC030 M19/M23 A3016 RMK AO1 |
| 20:35 MST |  Overcast | -20°C / -4°F | -32°C / -26°F | 34% | 1021 mb (30.15 in) | NW 26 kph (NW 16.1 mph) | - | 2 1/2SM |
| | KGDV 250335Z AUTO 32014KT 2 1/2SM OVC032 M20/M32 A3016 RMK AO1 |
| 20:15 MST |  Overcast | -20°C / -4°F | -32°C / -26°F | 34% | 1021 mb (30.15 in) | NW 32 kph (NW 19.6 mph) | - | 3SM |
| | KGDV 250315Z AUTO 32017KT 3SM OVC032 M20/M32 A3016 RMK AO1 |
| 19:55 MST |  Overcast | -20°C / -4°F | -28°C / -18°F | 49% | 1021 mb (30.15 in) | NW 30 kph (NW 18.4 mph) | - | 3SM |
| | KGDV 250255Z AUTO 31016KT 3SM BKN030 OVC035 M20/M28 A3015 RMK AO1 57007 |
| 19:35 MST |  Overcast | -20°C / -4°F | -21°C / -6°F | 92% | 1021 mb (30.15 in) | NW 32 kph (NW 19.6 mph) | - | 2 1/2SM |
| | KGDV 250235Z AUTO 31017KT 2 1/2SM BKN032 OVC040 M20/M21 A3015 RMK AO1 |
| 19:15 MST |  Overcast | -20°C / -4°F | -27°C / -17°F | 54% | 1021 mb (30.15 in) | NW 30 kph (NW 18.4 mph) | - | 5SM |
| | KGDV 250215Z AUTO 32016KT 5SM FEW032 BKN040 OVC055 M20/M27 A3016 RMK AO1 |
| 18:55 MST |  Overcast | -19°C / -2°F | -24°C / -11°F | 65% | 1021 mb (30.15 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KGDV 250155Z AUTO 32015KT 10SM FEW046 OVC060 M19/M24 A3016 RMK AO1 |
| 18:35 MST |  Overcast | -19°C / -2°F | -24°C / -11°F | 65% | 1021 mb (30.15 in) | NW 30 kph (NW 18.4 mph) | - | 9SM |
| | KGDV 250135Z AUTO 32016G19KT 9SM OVC060 M19/M24 A3015 RMK AO1 |
| 18:15 MST |  Overcast | -19°C / -2°F | -24°C / -11°F | 65% | 1021 mb (30.15 in) | NW 24 kph (NW 15 mph) | - | 9SM |
| | KGDV 250115Z AUTO 31013KT 9SM OVC060 M19/M24 A3016 RMK AO1 |
| 17:55 MST |  Overcast | -19°C / -2°F | -27°C / -17°F | 49% | 1021 mb (30.15 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGDV 250055Z AUTO 31012KT 10SM OVC060 M19/M27 A3015 RMK AO1 |
| 17:35 MST |  Overcast | -19°C / -2°F | -26°C / -15°F | 54% | 1021 mb (30.15 in) | NW 24 kph (NW 15 mph) | - | 8SM |
| | KGDV 250035Z AUTO 31013KT 8SM OVC060 M19/M26 A3015 RMK AO1 |
| 17:15 MST |  Overcast | -21°C / -6°F | -27°C / -17°F | 59% | 1021 mb (30.15 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGDV 250015Z AUTO 30010KT 10SM OVC060 M21/M27 A3016 RMK AO1 |
| 16:55 MST |  Overcast | -22°C / -8°F | -25°C / -13°F | 77% | 1022 mb (30.18 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGDV 242355Z AUTO 28008KT 10SM OVC050 M22/M25 A3017 RMK AO1 11190 21220 411501270 52014 |
| 16:35 MST |  Overcast | -22°C / -8°F | -28°C / -18°F | 58% | 1022 mb (30.18 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KGDV 242335Z AUTO 29008KT 10SM BKN050 OVC070 M22/M28 A3017 RMK AO1 |
| 16:15 MST |  Mostly Cloudy | -22°C / -8°F | -26°C / -15°F | 70% | 1022 mb (30.18 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KGDV 242315Z AUTO 29006KT 10SM BKN050 M22/M26 A3017 RMK AO1 |
| 15:55 MST |  Mostly Cloudy | -21°C / -6°F | -33°C / -27°F | 33% | 1022 mb (30.18 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGDV 242255Z AUTO 32008KT 10SM BKN050 M21/M33 A3017 RMK AO1 |
| 15:35 MST |  Overcast | -20°C / -4°F | -33°C / -27°F | 30% | 1021 mb (30.15 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGDV 242235Z AUTO 31010KT 10SM OVC050 M20/M33 A3016 RMK AO1 |
| 15:15 MST |  Overcast | -20°C / -4°F | -25°C / -13°F | 65% | 1022 mb (30.18 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGDV 242215Z AUTO 31005KT 10SM OVC046 M20/M25 A3017 RMK AO1 |
| 14:55 MST |  Overcast | -19°C / -2°F | -24°C / -11°F | 65% | 1022 mb (30.18 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGDV 242155Z AUTO 32007KT 10SM OVC044 M19/M24 A3017 RMK AO1 |
| 14:35 MST |  Mostly Cloudy | -19°C / -2°F | -26°C / -15°F | 54% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGDV 242135Z AUTO 33007KT 10SM BKN042 M19/M26 A3017 RMK AO1 |
| 14:15 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1021 mb (30.15 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KGDV 242115Z AUTO 32015KT 10SM CLR M19/M24 A3015 RMK AO1 |
| 13:55 MST |  Clear | -19°C / -2°F | -25°C / -13°F | 59% | 1020 mb (30.12 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KGDV 242055Z AUTO 30016KT 10SM CLR M19/M25 A3013 RMK AO1 57030 |
| 13:35 MST |  Partly Cloudy | -19°C / -2°F | -25°C / -13°F | 59% | 1021 mb (30.15 in) | NW 32 kph (NW 19.6 mph) | - | 8SM |
| | KGDV 242035Z AUTO 31017KT 8SM FEW042 M19/M25 A3014 RMK AO1 |
| 13:15 MST |  Clear | -19°C / -2°F | -26°C / -15°F | 54% | 1021 mb (30.15 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGDV 242015Z AUTO 32012KT 10SM CLR M19/M26 A3015 RMK AO1 |
| 12:55 MST |  Clear | -20°C / -4°F | -29°C / -20°F | 45% | 1021 mb (30.15 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGDV 241955Z AUTO 31012KT 10SM CLR M20/M29 A3015 RMK AO1 |
| 12:35 MST |  Clear | -20°C / -4°F | -29°C / -20°F | 45% | 1022 mb (30.18 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGDV 241935Z AUTO 30010KT 10SM CLR M20/M29 A3017 RMK AO1 |
| 12:15 MST |  Clear | -21°C / -6°F | -27°C / -17°F | 59% | 1022 mb (30.18 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KGDV 241915Z AUTO 29009KT 10SM CLR M21/M27 A3018 RMK AO1 |
| 11:55 MST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1022 mb (30.18 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGDV 241855Z AUTO 30008KT 10SM CLR M21/M24 A3019 RMK AO1 |
| 11:35 MST |  Clear | -21°C / -6°F | -26°C / -15°F | 64% | 1023 mb (30.21 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGDV 241835Z AUTO 27005KT 10SM CLR M21/M26 A3020 RMK AO1 |
| 11:15 MST |  Clear | -21°C / -6°F | -23°C / -9°F | 84% | 1023 mb (30.21 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KGDV 241815Z AUTO 29005KT 10SM CLR M21/M23 A3021 RMK AO1 |
| 10:55 MST |  Clear | -21°C / -6°F | -29°C / -20°F | 49% | 1023 mb (30.21 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KGDV 241755Z AUTO 28004KT 10SM CLR M21/M29 A3022 RMK AO1 11210 21270 54000 |
| 10:35 MST |  Clear | -22°C / -8°F | N/A | N/A | 1023 mb (30.21 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGDV 241735Z AUTO 27005KT 10SM CLR M22/ A3022 RMK AO1 |
| 10:15 MST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1024 mb (30.24 in) | Calm | - | 6SM |
| | KGDV 241715Z AUTO 00000KT 6SM CLR M23/M26 A3023 RMK AO1 |
| 09:55 MST |  Clear | -24°C / -11°F | -29°C / -20°F | 63% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KGDV 241655Z AUTO 26003KT 10SM CLR M24/M29 A3023 RMK AO1 |
| 09:35 MST |  Clear | -24°C / -11°F | -31°C / -24°F | 52% | 1024 mb (30.24 in) | Calm | - | 2 1/2SM |
| | KGDV 241635Z AUTO 00000KT 2 1/2SM CLR M24/M31 A3023 RMK AO1 |
| 09:15 MST |  Partly Cloudy | -24°C / -11°F | -28°C / -18°F | 70% | 1023 mb (30.21 in) | Calm | - | 1 1/4SM |
| | KGDV 241615Z AUTO 00000KT 1 1/4SM SCT002 M24/M28 A3022 RMK AO1 |
| 08:55 MST |  Mostly Cloudy | -24°C / -11°F | -32°C / -26°F | 48% | 1023 mb (30.21 in) | Calm | - | 1SM |
| | KGDV 241555Z AUTO 00000KT 1SM BKN002 M24/M32 A3022 RMK AO1 |
| 08:35 MST |  Mostly Cloudy | -24°C / -11°F | -33°C / -27°F | 43% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 2 1/2SM |
| | KGDV 241535Z AUTO 26007KT 2 1/2SM BKN002 M24/M33 A3022 RMK AO1 |
| 08:15 MST |  Mostly Cloudy | -25°C / -13°F | -31°C / -24°F | 57% | 1023 mb (30.21 in) | W 15 kph (W 9.2 mph) | - | 7SM |
| | KGDV 241515Z AUTO 27008KT 7SM BKN003 M25/M31 A3022 RMK AO1 |
| 07:55 MST |  Partly Cloudy | -25°C / -13°F | -31°C / -24°F | 57% | 1023 mb (30.21 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KGDV 241455Z AUTO 28013KT 10SM SCT002 M25/M31 A3022 RMK AO1 57003 |
| 07:35 MST |  Mostly Cloudy | -25°C / -13°F | -28°C / -18°F | 76% | 1024 mb (30.24 in) | WNW 13 kph (WNW 8.1 mph) | - | 3SM |
| | KGDV 241435Z AUTO 29007KT 3SM BKN002 M25/M28 A3023 RMK AO1 |
| 07:15 MST |  Mostly Cloudy | -24°C / -11°F | -33°C / -27°F | 43% | 1024 mb (30.24 in) | W 13 kph (W 8.1 mph) | - | 8SM |
| | KGDV 241415Z AUTO 28007KT 8SM BKN003 M24/M33 A3024 RMK AO1 |
| 06:55 MST |  Clear | -24°C / -11°F | -24°C / -11°F | 100% | 1024 mb (30.24 in) | Calm | - | 3SM |
| | KGDV 241355Z AUTO 00000KT 3SM CLR M24/M24 A3024 RMK AO1 |
| 06:35 MST |  Clear | -24°C / -11°F | -34°C / -29°F | 39% | 1024 mb (30.24 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGDV 241335Z AUTO 30005KT 10SM CLR M24/M34 A3024 RMK AO1 |
| 06:15 MST |  Partly Cloudy | -23°C / -9°F | N/A | N/A | 1024 mb (30.24 in) | NW 13 kph (NW 8.1 mph) | - | 4SM |
| | KGDV 241315Z AUTO 32007KT 4SM SCT002 M23/ A3023 RMK AO1 |
| 05:55 MST |  Mostly Cloudy | -24°C / -11°F | -30°C / -22°F | 58% | 1024 mb (30.24 in) | NW 19 kph (NW 11.5 mph) | - | 4SM |
| | KGDV 241255Z AUTO 30010KT 4SM BKN002 M24/M30 A3023 RMK AO1 |
| 05:35 MST |  Mostly Cloudy | -26°C / -15°F | -26°C / -15°F | 100% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGDV 241235Z AUTO 30009KT 10SM BKN003 M26/M26 A3023 RMK AO1 |
| 05:15 MST |  Mostly Cloudy | -26°C / -15°F | N/A | N/A | 1024 mb (30.24 in) | NNW 15 kph (NNW 9.2 mph) | - | 8SM |
| | KGDV 241215Z AUTO 34008KT 8SM BKN003 M26/ A3023 RMK AO1 |
| 04:55 MST |  Clear | -24°C / -11°F | N/A | N/A | 1024 mb (30.24 in) | NW 11 kph (NW 6.9 mph) | - | 9SM |
| | KGDV 241155Z AUTO 32006KT 9SM CLR M24/ A3023 RMK AO1 11210 21240 57017 |
| 04:35 MST |  Clear | -23°C / -9°F | N/A | N/A | 1024 mb (30.24 in) | NW 11 kph (NW 6.9 mph) | - | 7SM |
| | KGDV 241135Z AUTO 32006KT 7SM CLR M23/ A3024 RMK AO1 |
| 04:15 MST |  Partly Cloudy | -23°C / -9°F | -34°C / -29°F | 36% | 1024 mb (30.24 in) | NNW 7 kph (NNW 4.6 mph) | - | 2 1/2SM |
| | KGDV 241115Z AUTO 33004KT 2 1/2SM SCT003 M23/M34 A3024 RMK AO1 |
| 03:55 MST |  Mostly Cloudy | -24°C / -11°F | -24°C / -11°F | 100% | 1024 mb (30.24 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KGDV 241055Z AUTO 28007KT 10SM BKN004 M24/M24 A3025 RMK AO1 |
| 03:35 MST |  Mostly Cloudy | -23°C / -9°F | -34°C / -29°F | 36% | 1025 mb (30.27 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGDV 241035Z AUTO 28008KT 10SM BKN004 M23/M34 A3026 RMK AO1 |
| 03:15 MST |  Partly Cloudy | -23°C / -9°F | -23°C / -9°F | 100% | 1025 mb (30.27 in) | WNW 6 kph (WNW 3.5 mph) | - | 5SM |
| | KGDV 241015Z AUTO 29003KT 5SM SCT004 M23/M23 A3026 RMK AO1 |
| 02:55 MST |  Mostly Cloudy | -23°C / -9°F | -33°C / -27°F | 40% | 1025 mb (30.27 in) | W 7 kph (W 4.6 mph) | - | 7SM |
| | KGDV 240955Z AUTO 28004KT 7SM BKN004 M23/M33 A3027 RMK AO1 |
| 02:35 MST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1025 mb (30.27 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KGDV 240935Z AUTO 29005KT 10SM CLR M22/M25 A3028 RMK AO1 |
| 02:15 MST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1025 mb (30.27 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGDV 240915Z AUTO 27005KT 10SM CLR M22/M26 A3028 RMK AO1 |
| 01:55 MST |  Clear | -23°C / -9°F | -28°C / -18°F | 64% | 1025 mb (30.27 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KGDV 240855Z AUTO 28004KT 10SM CLR M23/M28 A3028 RMK AO1 57003 |
| 01:35 MST |  Clear | -22°C / -8°F | -24°C / -11°F | 84% | 1025 mb (30.27 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KGDV 240835Z AUTO 29005KT 10SM CLR M22/M24 A3028 RMK AO1 |
| 01:15 MST |  Clear | -22°C / -8°F | -29°C / -20°F | 53% | 1025 mb (30.27 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGDV 240815Z AUTO 32004KT 10SM CLR M22/M29 A3028 RMK AO1 |
| 00:55 MST |  Clear | -21°C / -6°F | -21°C / -6°F | 100% | 1025 mb (30.27 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGDV 240755Z AUTO 31005KT 10SM CLR M21/M21 A3028 RMK AO1 |
| 00:35 MST |  Clear | -22°C / -8°F | -27°C / -17°F | 64% | 1025 mb (30.27 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGDV 240735Z AUTO 30007KT 10SM CLR M22/M27 A3028 RMK AO1 |
| 00:15 MST |  Clear | -22°C / -8°F | -22°C / -8°F | 100% | 1025 mb (30.27 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KGDV 240715Z AUTO 29003KT 10SM CLR M22/M22 A3028 RMK AO1 |