| 13:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | W 37 kph (W 23 mph) | - | 3/4SM |
| | KCCU 142015Z AUTO 28020KT 3/4SM -SN OVC003 M10/M13 A2994 RMK AO2 |
| 12:55 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | W 39 kph (W 24.2 mph) | - | 3/4SM |
| | KCCU 141955Z AUTO 28021G26KT 3/4SM -SN OVC003 M10/M13 A2994 RMK AO2 |
| 12:35 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1014 mb (29.94 in) | WNW 35 kph (WNW 21.9 mph) | - | 1 1/4SM |
| | KCCU 141935Z AUTO 29019G24KT 1 1/4SM -SN OVC005 M09/M12 A2995 RMK AO2 |
| 12:15 MST |  Overcast Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1014 mb (29.94 in) | W 32 kph (W 19.6 mph) | - | 1/2SM |
| | KCCU 141915Z AUTO 28017KT 1/2SM SN OVC005 M09/M12 A2995 RMK AO2 |
| 11:55 MST |  Overcast Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1014 mb (29.94 in) | SSW 22 kph (SSW 13.8 mph) | - | 1 3/4SM |
| | KCCU 141855Z AUTO 26012G21KT 210V280 1 3/4SM -SN BKN007 OVC014 M08/M13 A2995 RMK AO2 VIS 1 1/4 |
| 11:35 MST |  Overcast Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1014 mb (29.94 in) | SSW 15 kph (SSW 9.2 mph) | - | 1 1/4SM |
| | KCCU 141835Z AUTO 24008G20KT 1 1/4SM -SN OVC005 M08/M13 A2995 RMK AO2 |
| 11:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | SSW 20 kph (SSW 12.7 mph) | - | 3/4SM |
| | KCCU 141815Z AUTO 25011G23KT 3/4SM -SN OVC007 M10/M13 A2995 RMK AO2 |
| 10:55 MST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1014 mb (29.94 in) | SSW 24 kph (SSW 15 mph) | - | 3SM |
| | KCCU 141755Z AUTO 24013G25KT 210V270 3SM -SN BKN009 OVC014 M09/M13 A2994 RMK AO2 |
| 10:35 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | W 37 kph (W 23 mph) | - | 2SM |
| | KCCU 141735Z AUTO 27020KT 2SM -SN BKN007 OVC014 M10/M13 A2994 RMK AO2 |
| 10:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | SSW 30 kph (SSW 18.4 mph) | - | 1 1/4SM |
| | KCCU 141715Z AUTO 26016G22KT 1 1/4SM -SN BKN007 OVC012 M10/M13 A2995 RMK AO2 |
| 09:55 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | W 24 kph (W 15 mph) | - | 1SM |
| | KCCU 141655Z AUTO 27013G21KT 1SM -SN OVC007 M10/M13 A2994 RMK AO2 |
| 09:35 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1014 mb (29.94 in) | SSW 35 kph (SSW 21.9 mph) | - | 1 3/4SM |
| | KCCU 141635Z AUTO 26019G25KT 1 3/4SM -SN OVC005 M10/M13 A2993 RMK AO2 |
| 09:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1013 mb (29.91 in) | SSW 37 kph (SSW 23 mph) | - | 3/4SM |
| | KCCU 141615Z AUTO 26020KT 3/4SM -SN OVC005 M10/M13 A2992 RMK AO2 |
| 08:55 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1013 mb (29.91 in) | Calm | - | 1SM |
| | KCCU 141555Z AUTO 1SM -SN OVC005 M10/M13 A2991 RMK AO2 |
| 08:35 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1013 mb (29.91 in) | SSW 35 kph (SSW 21.9 mph) | - | 3/4SM |
| | KCCU 141535Z AUTO 26019G24KT 3/4SM -SN OVC005 M10/M13 A2991 RMK AO2 |
| 08:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1013 mb (29.91 in) | SSW 30 kph (SSW 18.4 mph) | - | 1 1/4SM |
| | KCCU 141515Z AUTO 26016KT 1 1/4SM -SN BKN005 OVC014 M10/M13 A2991 RMK AO2 |
| 07:55 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1012 mb (29.88 in) | SSW 37 kph (SSW 23 mph) | - | 1 1/4SM |
| | KCCU 141455Z AUTO 26020KT 1 1/4SM -SN SCT007 OVC014 M10/M13 A2989 RMK AO2 |
| 07:35 MST |  Overcast Light Snow | -10°C / 14°F | -15°C / 5°F | 67% | 1012 mb (29.88 in) | Calm | - | 3/4SM |
| | KCCU 141435Z AUTO 3/4SM -SN BKN007 OVC016 M10/M15 A2987 RMK AO2 |
| 07:15 MST |  Overcast Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1011 mb (29.85 in) | SSW 52 kph (SSW 32.2 mph) | - | 1/2SM |
| | KCCU 141415Z AUTO 26028KT 1/2SM SN BKN006 OVC013 M10/M13 A2985 RMK AO2 |
| 06:55 MST |  Overcast Light Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1011 mb (29.85 in) | Calm | - | 2SM |
| | KCCU 141355Z AUTO 2SM -SN SCT008 BKN016 OVC026 M11/M15 A2986 RMK AO2 |
| 06:35 MST |  Mostly Cloudy | -11°C / 12°F | -15°C / 5°F | 73% | 1012 mb (29.88 in) | Calm | - | 7SM |
| | KCCU 141335Z AUTO 7SM SCT016 BKN022 BKN031 M11/M15 A2987 RMK AO2 |
| 06:15 MST |  Light Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1011 mb (29.85 in) | Calm | - | 2 1/2SM |
| | KCCU 141315Z AUTO 2 1/2SM -SN M11/M15 A2985 RMK AO2 SKY OBSCURED VIS 1 1/4V5 |
| 05:55 MST |  Partly Cloudy Hazy | -11°C / 12°F | -15°C / 5°F | 73% | 1010 mb (29.83 in) | Calm | - | 4SM |
| | KCCU 141255Z AUTO 4SM HZ SCT017 SCT021 SCT027 M11/M15 A2984 RMK AO2 |
| 05:35 MST |  Mostly Cloudy Light Snow | -11°C / 12°F | -15°C / 5°F | 73% | 1010 mb (29.83 in) | SSW 50 kph (SSW 31.1 mph) | - | 1 1/4SM |
| | KCCU 141235Z AUTO 26027KT 1 1/4SM -SN SCT011 SCT020 BKN030 M11/M15 A2984 RMK AO2 |
| 05:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | Calm | - | 2 1/2SM |
| | KCCU 141215Z AUTO 2 1/2SM -SN SCT016 BKN021 OVC029 M10/M13 A2984 RMK AO2 VIS 1V5 |
| 04:55 MST |  Mostly Cloudy Light Snow | -10°C / 14°F | -14°C / 7°F | 73% | 1010 mb (29.83 in) | Calm | - | 2 1/2SM |
| | KCCU 141155Z AUTO 2 1/2SM -SN BKN017 M10/M14 A2983 RMK AO2 |
| 04:35 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | Calm | - | 1 3/4SM |
| | KCCU 141135Z AUTO 1 3/4SM -SN SCT008 OVC012 M10/M13 A2983 RMK AO2 VIS 1V4 |
| 04:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | SSW 32 kph (SSW 19.6 mph) | - | 1 1/2SM |
| | KCCU 141115Z AUTO 26017KT 1 1/2SM -SN BKN007 OVC014 M10/M13 A2983 RMK AO2 |
| 03:55 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | SSW 32 kph (SSW 19.6 mph) | - | 3SM |
| | KCCU 141055Z AUTO 26017KT 3SM -SN SCT010 BKN015 OVC021 M10/M13 A2983 RMK AO2 |
| 03:35 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | 1 1/2SM |
| | KCCU 141035Z AUTO 1 1/2SM -SN SCT008 OVC014 M10/M13 A2981 RMK AO2 |
| 03:15 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | Calm | - | 3/4SM |
| | KCCU 141015Z AUTO 3/4SM -SN SCT008 OVC014 M10/M13 A2982 RMK AO2 |
| 02:55 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | Calm | - | |
| | KCCU 140955Z AUTO SCT013 BKN022 OVC026 M10/M13 A2982 RMK AO2 PWINO |
| 02:35 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140935Z AUTO SCT013 BKN019 OVC025 M10/M13 A2981 RMK AO2 PWINO |
| 02:15 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | Calm | - | |
| | KCCU 140915Z AUTO SCT008 BKN013 OVC020 M10/M13 A2982 RMK AO2 PWINO |
| 01:55 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | W 43 kph (W 26.5 mph) | - | |
| | KCCU 140855Z AUTO 27023KT BKN009 OVC018 M10/M13 A2983 RMK AO2 PWINO |
| 01:35 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140835Z AUTO SCT005 BKN010 OVC016 M10/M13 A2981 RMK AO2 PWINO |
| 01:15 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140815Z AUTO BKN005 OVC010 M10/M13 A2981 RMK AO2 PWINO |
| 00:55 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140755Z AUTO OVC005 M10/M13 A2979 RMK AO2 PWINO |
| 00:35 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140735Z AUTO BKN005 OVC013 M10/M13 A2979 RMK AO2 PWINO |
| 00:15 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | Calm | - | |
| | KCCU 140715Z AUTO BKN005 BKN009 OVC014 M10/M13 A2979 RMK AO2 PWINO |