| 08:55 MST |  Partly Cloudy | -11°C / 12°F | -17°C / 1°F | 62% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KENV 061555Z AUTO 00000KT 10SM FEW120 M11/M17 A2983 RMK AO1 |
| 08:35 MST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1010 mb (29.83 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KENV 061535Z AUTO 14005KT 10SM CLR M11/M16 A2983 RMK AO1 |
| 08:15 MST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1010 mb (29.83 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KENV 061515Z AUTO 12003KT 10SM CLR M12/M17 A2982 RMK AO1 |
| 07:55 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KENV 061455Z AUTO 00000KT 10SM CLR M14/M18 A2982 RMK AO1 54000 |
| 07:35 MST |  Clear | -14°C / 7°F | -22°C / -8°F | 51% | 1010 mb (29.83 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KENV 061435Z AUTO 03006KT 10SM CLR M14/M22 A2982 RMK AO1 |
| 07:15 MST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KENV 061415Z AUTO 30006KT 10SM CLR M11/M17 A2982 RMK AO1 |
| 06:55 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KENV 061355Z AUTO 00000KT 10SM CLR M12/M15 A2982 RMK AO1 |
| 06:35 MST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1010 mb (29.83 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KENV 061335Z AUTO 29007KT 10SM CLR M12/M18 A2982 RMK AO1 |
| 06:15 MST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KENV 061315Z AUTO 00000KT 10SM CLR M12/M17 A2982 RMK AO1 |
| 05:55 MST |  Clear | -10°C / 14°F | -15°C / 5°F | 67% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 061255Z AUTO 00000KT 10SM CLR M10/M15 A2981 RMK AO1 |
| 05:35 MST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 061235Z AUTO 00000KT 10SM CLR M11/M17 A2980 RMK AO1 |
| 05:15 MST |  Clear | -11°C / 12°F | -18°C / 0°F | 57% | 1009 mb (29.8 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KENV 061215Z AUTO 26003KT 10SM CLR M11/M18 A2981 RMK AO1 |
| 04:55 MST |  Clear | -9°C / 16°F | -15°C / 5°F | 62% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KENV 061155Z AUTO 00000KT 10SM CLR M09/M15 A2982 RMK AO1 11060 21120 52007 |
| 04:35 MST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 061135Z AUTO 00000KT 10SM CLR M11/M14 A2981 RMK AO1 |
| 04:15 MST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1009 mb (29.8 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KENV 061115Z AUTO 06003KT 10SM CLR M11/M17 A2981 RMK AO1 |
| 03:55 MST |  Clear | -9°C / 16°F | -15°C / 5°F | 62% | 1009 mb (29.8 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KENV 061055Z AUTO 29007KT 10SM CLR M09/M15 A2981 RMK AO1 |
| 03:35 MST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1009 mb (29.8 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KENV 061035Z AUTO 23003KT 10SM CLR M09/M16 A2981 RMK AO1 |
| 03:15 MST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1009 mb (29.8 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KENV 061015Z AUTO 04004KT 10SM CLR M11/M15 A2981 RMK AO1 |
| 02:55 MST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1009 mb (29.8 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KENV 060955Z AUTO 07004KT 10SM CLR M09/M16 A2980 RMK AO1 |
| 02:35 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1009 mb (29.8 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KENV 060935Z AUTO 26005KT 10SM CLR M08/M15 A2980 RMK AO1 |
| 02:15 MST |  Partly Cloudy | -8°C / 18°F | -16°C / 3°F | 53% | 1009 mb (29.8 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KENV 060915Z AUTO 27006KT 10SM FEW110 M08/M16 A2980 RMK AO1 |
| 01:55 MST |  Partly Cloudy | -10°C / 14°F | -17°C / 1°F | 57% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 060855Z AUTO 00000KT 10SM SCT110 M10/M17 A2980 RMK AO1 57007 |
| 01:35 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 060835Z AUTO 00000KT 10SM CLR M08/M15 A2980 RMK AO1 |
| 01:15 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 060815Z AUTO 00000KT 10SM CLR M08/M15 A2980 RMK AO1 |
| 00:55 MST |  Partly Cloudy | -8°C / 18°F | -17°C / 1°F | 49% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 060755Z AUTO 00000KT 10SM FEW110 M08/M17 A2980 RMK AO1 |
| 00:35 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1009 mb (29.8 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KENV 060735Z AUTO 29005KT 10SM CLR M08/M15 A2981 RMK AO1 |
| 00:15 MST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KENV 060715Z AUTO 00000KT 10SM CLR M07/M15 A2981 RMK AO1 |