| 07:55 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1008 mb (29.77 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KCGZ 221455Z AUTO 10007KT 10SM CLR 09/M04 A2978 RMK AO1 57024 |
| 07:35 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1008 mb (29.77 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KCGZ 221435Z AUTO 09004KT 10SM CLR 09/M04 A2978 RMK AO1 |
| 07:15 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCGZ 221415Z AUTO 00000KT 10SM CLR 09/M04 A2980 RMK AO1 |
| 06:55 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCGZ 221355Z AUTO 00000KT 10SM CLR 08/M04 A2981 RMK AO1 |
| 06:35 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1010 mb (29.83 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KCGZ 221335Z AUTO 09003KT 10SM CLR 09/M04 A2982 RMK AO1 |
| 06:15 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCGZ 221315Z AUTO 00000KT 10SM CLR 08/M04 A2982 RMK AO1 |
| 05:55 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCGZ 221255Z AUTO 00000KT 10SM CLR 08/M04 A2983 RMK AO1 |
| 05:35 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCGZ 221235Z AUTO 00000KT 10SM CLR 08/M04 A2983 RMK AO1 |
| 05:15 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCGZ 221215Z AUTO 00000KT 10SM CLR 09/M04 A2984 RMK AO1 |
| 04:55 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCGZ 221155Z AUTO 00000KT 10SM CLR 09/M04 A2985 RMK AO1 10100 20080 57017 |
| 04:35 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCGZ 221135Z AUTO 00000KT 10SM CLR 09/M04 A2985 RMK AO1 |
| 04:15 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCGZ 221115Z AUTO 00000KT 10SM CLR 08/M04 A2986 RMK AO1 |
| 03:55 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCGZ 221055Z AUTO 00000KT 10SM CLR 08/M04 A2987 RMK AO1 |
| 03:35 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCGZ 221035Z AUTO 00000KT 10SM CLR 08/M04 A2987 RMK AO1 |
| 03:15 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCGZ 221015Z AUTO 00000KT 10SM CLR 08/M04 A2988 RMK AO1 |
| 02:55 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCGZ 220955Z AUTO 00000KT 10SM CLR 08/M04 A2988 RMK AO1 |
| 02:35 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCGZ 220935Z AUTO 00000KT 10SM CLR 08/M04 A2989 RMK AO1 |
| 02:15 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220915Z AUTO 00000KT 10SM CLR 08/M04 A2990 RMK AO1 |
| 01:55 MST |  Clear | 8°C / 46°F | -4°C / 25°F | 43% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220855Z AUTO 00000KT 10SM CLR 08/M04 A2990 RMK AO1 57017 |
| 01:35 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220835Z AUTO 00000KT 10SM CLR 09/M04 A2990 RMK AO1 |
| 01:15 MST |  Clear | 10°C / 50°F | -3°C / 27°F | 40% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220815Z AUTO 00000KT 10SM CLR 10/M03 A2990 RMK AO1 |
| 00:55 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220755Z AUTO 00000KT 10SM CLR 09/M04 A2991 RMK AO1 |
| 00:35 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220735Z AUTO 00000KT 10SM CLR 09/M04 A2991 RMK AO1 |
| 00:15 MST |  Clear | 9°C / 48°F | -4°C / 25°F | 40% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KCGZ 220715Z AUTO 00000KT 10SM CLR 09/M04 A2992 RMK AO1 |