| 08:55 MST | 
Clear | -28°C / -18°F | -31°C / -24°F | 75% | 1023 mb
(30.21 in) | Calm | - | 10SM |
| | KGUC 111555Z AUTO 00000KT 10SM CLR M28/M31 A3022
RMK AO1 |
| 08:35 MST |
Clear | -28°C / -18°F | N/A | N/A | 1023 mb
(30.21 in) | Calm | - | 3SM |
| | KGUC 111535Z AUTO 00000KT 3SM CLR M28/ A3021
RMK AO1 |
| 08:15 MST |
Clear | -29°C / -20°F | -33°C / -27°F | 68% | 1023 mb
(30.21 in) | Calm | - | 2SM |
| | KGUC 111515Z AUTO 00000KT 2SM CLR M29/M33 A3021
RMK AO1 |
| 07:55 MST |
Clear | -29°C / -20°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 5SM |
| | KGUC 111455Z AUTO 00000KT 5SM CLR M29/ A3019
RMK AO1 52010 |
| 07:35 MST |
Clear | -29°C / -20°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KGUC 111435Z AUTO 00000KT 10SM CLR M29/ A3018
RMK AO1 |
| 07:15 MST | 
Partly Cloudy | -31°C / -24°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 2 1/2SM |
| | KGUC 111415Z AUTO 00000KT 2 1/2SM FEW003 M31/ A3018
RMK AO1 |
| 06:55 MST | 
Clear | -29°C / -20°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KGUC 111355Z AUTO 00000KT 10SM CLR M29/ A3017
RMK AO1 |
| 06:35 MST |
Clear | -29°C / -20°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KGUC 111335Z AUTO 00000KT 10SM CLR M29/ A3018
RMK AO1 |
| 06:15 MST |
Clear | -30°C / -22°F | N/A | N/A | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KGUC 111315Z AUTO 00000KT 10SM CLR M30/ A3017
RMK AO1 |
| 05:55 MST |
Clear | -30°C / -22°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111255Z AUTO 00000KT 10SM CLR M30/ A3016
RMK AO1 |
| 05:35 MST |
Clear | -29°C / -20°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111235Z AUTO 00000KT 10SM CLR M29/ A3016
RMK AO1 |
| 05:15 MST |
Clear | -29°C / -20°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111215Z AUTO 00000KT 10SM CLR M29/ A3016
RMK AO1 |
| 04:55 MST |
Clear | -30°C / -22°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111155Z AUTO 00000KT 10SM CLR M30/ A3016
RMK AO1 11240 21300 52014 |
| 04:35 MST |
Clear | -29°C / -20°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111135Z AUTO 00000KT 10SM CLR M29/ A3015
RMK AO1 |
| 04:15 MST |
Clear | -29°C / -20°F | N/A | N/A | 1021 mb
(30.15 in) | ENE 6 kph
(ENE 3.5 mph) | - | 10SM |
| | KGUC 111115Z AUTO 06003KT 10SM CLR M29/ A3015
RMK AO1 |
| 03:55 MST |
Clear | -28°C / -18°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111055Z AUTO 00000KT 10SM CLR M28/ A3015
RMK AO1 |
| 03:35 MST |
Clear | -28°C / -18°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111035Z AUTO 00000KT 10SM CLR M28/ A3015
RMK AO1 |
| 03:15 MST |
Clear | -28°C / -18°F | N/A | N/A | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGUC 111015Z AUTO 00000KT 10SM CLR M28/ A3015
RMK AO1 |
| 02:55 MST |
Clear | -28°C / -18°F | N/A | N/A | 1021 mb
(30.15 in) | ENE 6 kph
(ENE 3.5 mph) | - | 10SM |
| | KGUC 110955Z AUTO 06003KT 10SM CLR M28/ A3014
RMK AO1 |
| 02:35 MST |
Clear | -28°C / -18°F | N/A | N/A | 1020 mb
(30.12 in) | E 6 kph
(E 3.5 mph) | - | 10SM |
| | KGUC 110935Z AUTO 08003KT 10SM CLR M28/ A3013
RMK AO1 |
| 02:15 MST |
Clear | -28°C / -18°F | N/A | N/A | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KGUC 110915Z AUTO 00000KT 10SM CLR M28/ A3013
RMK AO1 |
| 01:55 MST |
Clear | -27°C / -17°F | N/A | N/A | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KGUC 110855Z AUTO 00000KT 10SM CLR M27/ A3012
RMK AO1 52010 |
| 01:35 MST |
Clear | -27°C / -17°F | N/A | N/A | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KGUC 110835Z AUTO 00000KT 10SM CLR M27/ A3011
RMK AO1 |
| 01:15 MST |
Clear | -27°C / -17°F | N/A | N/A | 1020 mb
(30.12 in) | ENE 6 kph
(ENE 3.5 mph) | - | 10SM |
| | KGUC 110815Z AUTO 07003KT 10SM CLR M27/ A3011
RMK AO1 |
| 00:55 MST |
Clear | -27°C / -17°F | N/A | N/A | 1019 mb
(30.09 in) | ENE 6 kph
(ENE 3.5 mph) | - | 10SM |
| | KGUC 110755Z AUTO 07003KT 10SM CLR M27/ A3010
RMK AO1 |
| 00:35 MST |
Clear | -27°C / -17°F | N/A | N/A | 1019 mb
(30.09 in) | Calm | - | 10SM |
| | KGUC 110735Z AUTO 00000KT 10SM CLR M27/ A3010
RMK AO1 |
| 00:15 MST |
Clear | -26°C / -15°F | N/A | N/A | 1019 mb
(30.09 in) | Calm | - | 9SM |
| | KGUC 110715Z AUTO 00000KT 9SM CLR M26/ A3010
RMK AO1 |
