| 12:55 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1006 mb (29.71 in) | ENE 19 kph (ENE 11.5 mph) | - | 10SM |
| | KGXY 051955Z AUTO 06010G14KT 10SM CLR 04/M11 A2971 RMK AO1 |
| 12:35 MST |  Clear | 4°C / 39°F | -12°C / 10°F | 30% | 1006 mb (29.71 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KGXY 051935Z AUTO 06012G15KT 10SM CLR 04/M12 A2971 RMK AO1 |
| 12:15 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1006 mb (29.71 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KGXY 051915Z AUTO 06012KT 10SM CLR 03/M11 A2971 RMK AO1 |
| 11:55 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1006 mb (29.71 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KGXY 051855Z AUTO 08011KT 10SM CLR 03/M11 A2971 RMK AO1 |
| 11:35 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1006 mb (29.71 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KGXY 051835Z AUTO 08011KT 10SM CLR 03/M09 A2972 RMK AO1 |
| 11:15 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGXY 051815Z AUTO 12006KT 10SM CLR 02/M08 A2973 RMK AO1 |
| 10:55 MST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1007 mb (29.74 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KGXY 051755Z AUTO 08007KT 10SM CLR 01/M09 A2974 RMK AO1 10010 21140 57007 |
| 10:35 MST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1008 mb (29.77 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGXY 051735Z AUTO 08005KT 10SM CLR M01/M09 A2976 RMK AO1 |
| 10:15 MST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | 1008 mb (29.77 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KGXY 051715Z AUTO 07008KT 10SM CLR M02/M10 A2977 RMK AO1 |
| 09:55 MST |  Clear | -4°C / 25°F | -11°C / 12°F | 59% | 1008 mb (29.77 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGXY 051655Z AUTO 07003KT 10SM CLR M04/M11 A2976 RMK AO1 |
| 09:35 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1007 mb (29.74 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGXY 051635Z AUTO 05004KT 10SM CLR M05/M12 A2975 RMK AO1 |
| 09:15 MST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1008 mb (29.77 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KGXY 051615Z AUTO 02003KT 10SM CLR M07/M12 A2976 RMK AO1 |
| 08:55 MST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1008 mb (29.77 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KGXY 051555Z AUTO 03005KT 10SM CLR M09/M13 A2977 RMK AO1 |
| 08:35 MST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1008 mb (29.77 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGXY 051535Z AUTO 04004KT 10SM CLR M10/M13 A2976 RMK AO1 |
| 08:15 MST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGXY 051515Z AUTO 35003KT 10SM CLR M11/M13 A2976 RMK AO1 |
| 07:55 MST |  Clear | -13°C / 9°F | -14°C / 7°F | 92% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 051455Z AUTO 00000KT 10SM CLR M13/M14 A2976 RMK AO1 52007 |
| 07:35 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KGXY 051435Z AUTO 36003KT 10SM CLR M14/M17 A2975 RMK AO1 |
| 07:15 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGXY 051415Z AUTO 31004KT 10SM CLR M14/M17 A2975 RMK AO1 |
| 06:55 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KGXY 051355Z AUTO 00000KT 10SM CLR M14/M17 A2975 RMK AO1 |
| 06:35 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KGXY 051335Z AUTO 20003KT 10SM CLR M14/M17 A2975 RMK AO1 |
| 06:15 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KGXY 051315Z AUTO 27005KT 10SM CLR M14/M17 A2974 RMK AO1 |
| 05:55 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KGXY 051255Z AUTO 00000KT 10SM CLR M14/M18 A2973 RMK AO1 |
| 05:35 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGXY 051235Z AUTO 34003KT 10SM CLR M14/M17 A2973 RMK AO1 |
| 05:15 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1007 mb (29.74 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGXY 051215Z AUTO 01005KT 10SM CLR M14/M18 A2973 RMK AO1 |
| 04:55 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KGXY 051155Z AUTO 00000KT 10SM CLR M13/M16 A2974 RMK AO1 11110 21140 57003 |
| 04:35 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1007 mb (29.74 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGXY 051135Z AUTO 32003KT 10SM CLR M13/M16 A2974 RMK AO1 |
| 04:15 MST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1007 mb (29.74 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGXY 051115Z AUTO 34005G14KT 290V350 10SM CLR M13/M15 A2975 RMK AO1 |
| 03:55 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1007 mb (29.74 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KGXY 051055Z AUTO 05007KT 10SM CLR M14/M17 A2974 RMK AO1 |
| 03:35 MST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 051035Z AUTO 00000KT 10SM CLR M13/M17 A2976 RMK AO1 |
| 03:15 MST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 051015Z AUTO 00000KT 10SM CLR M13/M17 A2976 RMK AO1 |
| 02:55 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 050955Z AUTO 00000KT 10SM CLR M12/M16 A2977 RMK AO1 |
| 02:35 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1008 mb (29.77 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGXY 050935Z AUTO 32004KT 10SM CLR M12/M15 A2976 RMK AO1 |
| 02:15 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 050915Z AUTO 00000KT 10SM CLR M12/M16 A2976 RMK AO1 |
| 01:55 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1007 mb (29.74 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGXY 050855Z AUTO 01004KT 10SM CLR M12/M16 A2975 RMK AO1 57007 |
| 01:35 MST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1008 mb (29.77 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGXY 050835Z AUTO 36005KT 10SM CLR M12/M14 A2976 RMK AO1 |
| 01:15 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1007 mb (29.74 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGXY 050815Z AUTO 33003KT 10SM CLR M12/M16 A2975 RMK AO1 |
| 00:55 MST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 050755Z AUTO 00000KT 10SM CLR M13/M15 A2976 RMK AO1 |
| 00:35 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1007 mb (29.74 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KGXY 050735Z AUTO 31005KT 10SM CLR M12/M15 A2975 RMK AO1 |
| 00:15 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KGXY 050715Z AUTO 00000KT 10SM CLR M13/M16 A2976 RMK AO1 |