| 19:35 MST |  Clear | -9°C / 16°F | -17°C / 1°F | 53% | 1019 mb (30.09 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGXY 030235Z AUTO 36006KT 10SM CLR M09/M17 A3010 RMK AO1 |
| 19:15 MST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1019 mb (30.09 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGXY 030215Z AUTO 36004KT 10SM CLR M11/M17 A3009 RMK AO1 |
| 18:55 MST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGXY 030155Z AUTO 01005KT 10SM CLR M12/M18 A3009 RMK AO1 |
| 18:35 MST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGXY 030135Z AUTO 35005KT 10SM CLR M11/M16 A3008 RMK AO1 |
| 18:15 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGXY 030115Z AUTO 36006KT 10SM CLR M12/M16 A3007 RMK AO1 |
| 17:55 MST |  Clear | -10°C / 14°F | -15°C / 5°F | 67% | 1018 mb (30.06 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGXY 030055Z AUTO 34005KT 10SM CLR M10/M15 A3006 RMK AO1 |
| 17:35 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1018 mb (30.06 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGXY 030035Z AUTO 33003KT 10SM CLR M08/M15 A3006 RMK AO1 |
| 17:15 MST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1018 mb (30.06 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KGXY 030015Z AUTO 29003KT 10SM CLR M07/M15 A3005 RMK AO1 |
| 16:55 MST |  Clear | -6°C / 21°F | -18°C / 0°F | 38% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KGXY 022355Z AUTO 00000KT 10SM CLR M06/M18 A3005 RMK AO1 11040 21070 410101080 52003 |
| 16:35 MST |  Clear | -6°C / 21°F | -18°C / 0°F | 38% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KGXY 022335Z AUTO 00000KT 10SM CLR M06/M18 A3004 RMK AO1 |
| 16:15 MST |  Clear | -5°C / 23°F | -16°C / 3°F | 42% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KGXY 022315Z AUTO 00000KT 10SM CLR M05/M16 A3004 RMK AO1 |
| 15:55 MST |  Clear | -5°C / 23°F | -17°C / 1°F | 39% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KGXY 022255Z AUTO 00000KT 10SM CLR M05/M17 A3004 RMK AO1 |
| 15:35 MST |  Clear | -5°C / 23°F | -17°C / 1°F | 39% | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGXY 022235Z AUTO 01003KT 10SM CLR M05/M17 A3004 RMK AO1 |
| 15:15 MST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGXY 022215Z AUTO 01005KT 10SM CLR M04/M17 A3004 RMK AO1 |
| 14:55 MST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KGXY 022155Z AUTO 02006KT 10SM CLR M04/M17 A3004 RMK AO1 |
| 14:35 MST |  Clear | -4°C / 25°F | -16°C / 3°F | 39% | 1017 mb (30.03 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KGXY 022135Z AUTO 02003KT 10SM CLR M04/M16 A3004 RMK AO1 |
| 14:15 MST |  Partly Cloudy | -4°C / 25°F | -16°C / 3°F | 39% | 1017 mb (30.03 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KGXY 022115Z AUTO 02007KT 10SM FEW050 M04/M16 A3004 RMK AO1 |
| 13:55 MST |  Partly Cloudy | -4°C / 25°F | -16°C / 3°F | 39% | 1017 mb (30.03 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGXY 022055Z AUTO 04006KT 10SM SCT050 M04/M16 A3004 RMK AO1 57024 |
| 13:35 MST |  Partly Cloudy | -4°C / 25°F | -16°C / 3°F | 39% | 1018 mb (30.06 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGXY 022035Z AUTO 34005KT 10SM FEW050 M04/M16 A3005 RMK AO1 |
| 13:15 MST |  Partly Cloudy | -4°C / 25°F | -16°C / 3°F | 39% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGXY 022015Z AUTO 01006KT 10SM FEW050 M04/M16 A3005 RMK AO1 |
| 12:55 MST |  Clear | -4°C / 25°F | -16°C / 3°F | 39% | 1018 mb (30.06 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGXY 021955Z AUTO 35009KT 10SM CLR M04/M16 A3006 RMK AO1 |
| 12:35 MST |  Clear | -4°C / 25°F | -14°C / 7°F | 46% | 1018 mb (30.06 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KGXY 021935Z AUTO 34006G15KT 10SM CLR M04/M14 A3006 RMK AO1 |
| 12:15 MST |  Clear | -4°C / 25°F | -14°C / 7°F | 46% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGXY 021915Z AUTO 36006KT 10SM CLR M04/M14 A3007 RMK AO1 |
| 11:55 MST |  Clear | -4°C / 25°F | -14°C / 7°F | 46% | 1019 mb (30.09 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KGXY 021855Z AUTO 35010KT 10SM CLR M04/M14 A3008 RMK AO1 |
| 11:35 MST |  Partly Cloudy | -4°C / 25°F | -14°C / 7°F | 46% | 1019 mb (30.09 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KGXY 021835Z AUTO 02009KT 10SM FEW043 M04/M14 A3009 RMK AO1 |
| 11:15 MST |  Mostly Cloudy | -5°C / 23°F | -14°C / 7°F | 50% | 1019 mb (30.09 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KGXY 021815Z AUTO 02009KT 10SM FEW038 BKN047 M05/M14 A3010 RMK AO1 |
| 10:55 MST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1020 mb (30.12 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KGXY 021755Z AUTO 29004KT 10SM SCT038 BKN045 OVC055 M06/M13 A3011 RMK AO1 11060 21080 57003 |
| 10:35 MST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1020 mb (30.12 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KGXY 021735Z AUTO 29005KT 10SM BKN048 OVC050 M06/M13 A3012 RMK AO1 |
| 10:15 MST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1020 mb (30.12 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGXY 021715Z AUTO 34005KT 10SM OVC050 M06/M12 A3012 RMK AO1 |
| 09:55 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGXY 021655Z AUTO 32006KT 10SM FEW038 OVC050 M07/M13 A3012 RMK AO1 |
| 09:35 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGXY 021635Z AUTO 35009KT 10SM BKN037 OVC046 M07/M13 A3013 RMK AO1 |
| 09:15 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KGXY 021615Z AUTO 35010KT 10SM BKN044 OVC050 M07/M13 A3013 RMK AO1 |
| 08:55 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KGXY 021555Z AUTO 02009KT 10SM BKN037 OVC046 M07/M13 A3012 RMK AO1 |
| 08:35 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | N 19 kph (N 11.5 mph) | - | 8SM |
| | KGXY 021535Z AUTO 01010KT 8SM BKN036 BKN044 OVC050 M07/M13 A3012 RMK AO1 |
| 08:15 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1020 mb (30.12 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGXY 021515Z AUTO 36007KT 10SM SCT046 OVC050 M07/M13 A3012 RMK AO1 |
| 07:55 MST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1020 mb (30.12 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGXY 021455Z AUTO 36006KT 10SM SCT030 OVC050 M08/M13 A3012 RMK AO1 52010 |
| 07:35 MST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | N 22 kph (N 13.8 mph) | - | 5SM |
| | KGXY 021435Z AUTO 01012KT 5SM BKN030 OVC044 M08/M12 A3011 RMK AO1 |
| 07:15 MST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGXY 021415Z AUTO 01007KT 10SM SCT038 BKN044 OVC055 M08/M12 A3011 RMK AO1 |
| 06:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1020 mb (30.12 in) | N 11 kph (N 6.9 mph) | - | 7SM |
| | KGXY 021355Z AUTO 36006KT 7SM SCT022 BKN029 OVC038 M08/M11 A3011 RMK AO1 |
| 06:35 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | N 7 kph (N 4.6 mph) | - | 3SM |
| | KGXY 021335Z AUTO 35004KT 3SM BKN022 OVC050 M08/M11 A3010 RMK AO1 |
| 06:15 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 5SM |
| | KGXY 021315Z AUTO 33004KT 5SM OVC050 M08/M11 A3010 RMK AO1 |
| 05:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 8SM |
| | KGXY 021255Z AUTO 34004KT 8SM BKN044 OVC050 M08/M11 A3010 RMK AO1 |
| 05:35 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGXY 021235Z AUTO 36003KT 10SM OVC038 M08/M11 A3009 RMK AO1 |
| 05:15 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 5SM |
| | KGXY 021215Z AUTO 01005KT 5SM OVC036 M08/M11 A3009 RMK AO1 |
| 04:55 MST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | - | 5SM |
| | KGXY 021155Z AUTO 01007KT 5SM OVC032 M07/M11 A3009 RMK AO1 11050 21080 52003 |
| 04:35 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | - | 8SM |
| | KGXY 021135Z AUTO 36007KT 8SM SCT032 BKN037 OVC045 M08/M11 A3009 RMK AO1 |
| 04:15 MST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGXY 021115Z AUTO 36008KT 10SM BKN039 OVC045 M07/M11 A3008 RMK AO1 |
| 03:55 MST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | N 17 kph (N 10.4 mph) | - | 5SM |
| | KGXY 021055Z AUTO 36009KT 5SM SCT027 BKN034 OVC040 M07/M11 A3009 RMK AO1 |
| 03:35 MST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 4SM |
| | KGXY 021035Z AUTO 35008KT 4SM OVC028 M07/M10 A3009 RMK AO1 |
| 03:15 MST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1019 mb (30.09 in) | N 19 kph (N 11.5 mph) | - | 4SM |
| | KGXY 021015Z AUTO 36010KT 4SM OVC028 M07/M10 A3009 RMK AO1 |
| 02:55 MST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1019 mb (30.09 in) | N 19 kph (N 11.5 mph) | - | 5SM |
| | KGXY 020955Z AUTO 35010KT 5SM OVC028 M07/M10 A3009 RMK AO1 |
| 02:35 MST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1019 mb (30.09 in) | N 20 kph (N 12.7 mph) | - | 3SM |
| | KGXY 020935Z AUTO 36011KT 3SM SCT022 OVC026 M07/M09 A3009 RMK AO1 |
| 02:15 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 3SM |
| | KGXY 020915Z AUTO 36008KT 3SM FEW015 BKN024 OVC029 M06/M09 A3009 RMK AO1 |
| 01:55 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 3SM |
| | KGXY 020855Z AUTO 35008KT 3SM BKN018 OVC024 M06/M09 A3008 RMK AO1 52014 |
| 01:35 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | NNW 11 kph (NNW 6.9 mph) | - | 2SM |
| | KGXY 020835Z AUTO 34006KT 2SM OVC019 M06/M08 A3007 RMK AO1 |
| 01:15 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | N 11 kph (N 6.9 mph) | - | 1 3/4SM |
| | KGXY 020815Z AUTO 35006KT 1 3/4SM OVC013 M06/M08 A3007 RMK AO1 |
| 00:55 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | N 13 kph (N 8.1 mph) | - | 3SM |
| | KGXY 020755Z AUTO 36007KT 3SM SCT021 BKN027 OVC033 M06/M09 A3007 RMK AO1 |
| 00:35 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGXY 020735Z AUTO 35007KT 10SM OVC030 M06/M09 A3007 RMK AO1 |
| 00:15 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGXY 020715Z AUTO 36008KT 10SM OVC026 M06/M09 A3006 RMK AO1 |