| 10:14 MST |  Clear Hazy | -12°C / 10°F | -17°C / 1°F | 67% | 1009 mb (29.8 in) | Calm | - | 5SM |
| | K20V 221714Z AUTO 00000KT 5SM HZ CLR M12/M17 A2979 RMK AO2 |
| 09:54 MST |  Partly Cloudy Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1010 mb (29.83 in) | Calm | - | 5SM |
| | K20V 221654Z AUTO 00000KT 5SM HZ SCT095 M14/M18 A2982 RMK AO2 |
| 09:34 MST |  Mostly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1010 mb (29.83 in) | Calm | - | 7SM |
| | K20V 221634Z AUTO 00000KT 7SM BKN095 M15/M18 A2982 RMK AO2 |
| 09:14 MST |  Partly Cloudy | -16°C / 3°F | -19°C / -2°F | 78% | 1010 mb (29.83 in) | Calm | - | 7SM |
| | K20V 221614Z AUTO 00000KT 7SM SCT095 M16/M19 A2983 RMK AO2 |
| 08:54 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1010 mb (29.83 in) | Calm | - | 7SM |
| | K20V 221554Z AUTO 00000KT 7SM CLR M16/M20 A2984 RMK AO2 |
| 08:34 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221534Z AUTO 00000KT 7SM CLR M17/M20 A2985 RMK AO2 |
| 08:14 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221514Z AUTO 00000KT 7SM CLR M17/M20 A2985 RMK AO2 |
| 07:54 MST |  Partly Cloudy | -18°C / 0°F | -21°C / -6°F | 78% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | K20V 221454Z AUTO 00000KT 10SM SCT110 M18/M21 A2985 RMK AO2 |
| 07:34 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221434Z AUTO 00000KT 7SM CLR M17/M20 A2986 RMK AO2 |
| 07:14 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221414Z AUTO 00000KT 7SM CLR M18/M21 A2986 RMK AO2 |
| 06:54 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | NE 6 kph (NE 3.5 mph) | - | 7SM |
| | K20V 221354Z AUTO 04003KT 7SM CLR M17/M20 A2986 RMK AO2 |
| 06:34 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221334Z AUTO 00000KT 7SM CLR M18/M21 A2986 RMK AO2 |
| 06:14 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | K20V 221314Z AUTO 00000KT 10SM CLR M18/M21 A2986 RMK AO2 |
| 05:54 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | K20V 221254Z AUTO 00000KT 7SM CLR M16/M19 A2986 RMK AO2 |
| 05:34 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | K20V 221234Z AUTO 00000KT 10SM CLR M17/M20 A2986 RMK AO2 |
| 05:14 MST |  Partly Cloudy | -16°C / 3°F | -20°C / -4°F | 72% | 1012 mb (29.88 in) | Calm | - | 7SM |
| | K20V 221214Z AUTO 00000KT 7SM SCT110 M16/M20 A2987 RMK AO2 |
| 04:54 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | K20V 221154Z AUTO 00000KT 10SM CLR M16/M19 A2987 RMK AO2 |
| 04:34 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1012 mb (29.88 in) | Calm | - | 7SM |
| | K20V 221134Z AUTO 00000KT 7SM CLR M16/M18 A2988 RMK AO2 |
| 04:14 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1012 mb (29.88 in) | Calm | - | 7SM |
| | K20V 221114Z AUTO 00000KT 7SM CLR M15/M18 A2989 RMK AO2 |
| 03:54 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | K20V 221054Z AUTO 00000KT 10SM CLR M15/M18 A2989 RMK AO2 |
| 03:34 MST |  Partly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | K20V 221034Z AUTO 00000KT 10SM SCT120 M15/M18 A2989 RMK AO2 |
| 03:14 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1013 mb (29.91 in) | Calm | - | 7SM |
| | K20V 221014Z AUTO 00000KT 7SM CLR M15/M18 A2990 RMK AO2 |
| 02:25 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1013 mb (29.91 in) | Calm | - | 7SM |
| | K20V 220925Z AUTO 00000KT 7SM CLR M16/M19 A2992 RMK AO2 |
| 02:14 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | K20V 220914Z AUTO 00000KT 10SM CLR M15/M18 A2992 RMK AO2 |
| 01:54 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | K20V 220854Z AUTO 00000KT 10SM CLR M16/M18 A2992 RMK AO2 |
| 01:34 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | K20V 220834Z AUTO 00000KT 10SM CLR M16/M18 A2991 RMK AO2 |
| 01:14 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | K20V 220814Z AUTO 00000KT 10SM CLR M16/M18 A2992 RMK AO2 |
| 00:54 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | K20V 220754Z AUTO 00000KT 10SM CLR M16/M20 A2992 RMK AO2 |
| 00:34 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1013 mb (29.91 in) | Calm | - | 7SM |
| | K20V 220734Z AUTO 00000KT 7SM CLR M16/M18 A2992 RMK AO2 |
| 00:14 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1014 mb (29.94 in) | Calm | - | 7SM |
| | K20V 220714Z AUTO 00000KT 7SM CLR M16/M19 A2993 RMK AO2 |