| 22:52 MST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1012 mb (29.88 in) | NNW 32 kph (NNW 19.6 mph) | 0.00 mm (0.00 in) | 1SM |
| | KIEN 260552Z AUTO 34017G27KT 1SM -SN BKN010 OVC019 M11/M13 A2987 RMK AO2 PK WND 35031/0526 SLP173 P0000 60002 T11061133 11100 21106 53009 |
| 22:16 MST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1012 mb (29.88 in) | NNW 32 kph (NNW 19.6 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KIEN 260516Z AUTO 34017G29KT 3/4SM -SN BKN010 OVC017 M11/M13 A2987 RMK AO2 PK WND 34029/0513 P0000 |
| 21:52 MST |  Obscured Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1011 mb (29.85 in) | NNW 33 kph (NNW 20.7 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KIEN 260452Z AUTO 34018G25KT 3/4SM -SN VV006 M11/M13 A2985 RMK AO2 PK WND 35031/0433 SLP166 P0001 T11061133 |
| 21:50 MST |  Obscured Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1011 mb (29.85 in) | NNW 37 kph (NNW 23 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KIEN 260450Z AUTO 34020G29KT 3/4SM -SN VV006 M11/M13 A2985 RMK AO2 PK WND 35031/0433 P0001 |
| 20:52 MST |  Obscured Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1011 mb (29.85 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 260352Z AUTO 34018G29KT 1/2SM SN VV003 M11/M13 A2985 RMK AO2 PK WND 34029/0347 SLP164 P0000 T11061133 |
| 20:35 MST |  Obscured Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 260335Z AUTO 34016G29KT 1/2SM SN VV004 M11/M13 A2984 RMK AO2 PK WND 33029/0329 P0000 |
| 19:52 MST |  Obscured Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KIEN 260252Z AUTO 34019G29KT 3/4SM -SN VV005 M10/M13 A2983 RMK AO2 PK WND 35036/0218 SLP162 P0000 60001 T11001133 53012 |
| 18:52 MST |  Overcast Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1010 mb (29.83 in) | N 43 kph (N 26.5 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KIEN 260152Z AUTO 35023G31KT 1/2SM SN OVC002 M10/M13 A2982 RMK AO2 PK WND 36034/0140 SLP160 P0001 T11001133 |
| 18:12 MST |  Overcast Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 260112Z AUTO 34020G30KT 1/4SM +SN OVC002 M10/M13 A2981 RMK AO2 PK WND 34030/0112 P0000 |
| 18:00 MST |  Obscured Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 260100Z AUTO 34019G30KT 1/2SM SN VV002 M10/M13 A2981 RMK AO2 PK WND 34030/0100 P0000 |
| 17:52 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 260052Z AUTO 34019G29KT 1/4SM +SN VV002 M10/M13 A2981 RMK AO2 PK WND 35032/2358 SLP156 P0000 T11001128 |
| 16:52 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | NNW 43 kph (NNW 26.5 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 252352Z AUTO 34023G33KT 1/4SM +SN VV002 M10/M13 A2980 RMK AO2 PK WND 33033/2352 SLP154 P0001 60008 T11001128 11094 21122 53010 |
| 16:27 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1009 mb (29.8 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 252327Z AUTO 34019G30KT 1/4SM +SN VV002 M10/M13 A2980 RMK AO2 PK WND 34033/2308 P0000 |
| 15:52 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1008 mb (29.77 in) | NNW 32 kph (NNW 19.6 mph) | 0.51 mm (0.02 in) | M1/4SM |
| | KIEN 252252Z AUTO 34017G30KT M1/4SM +SN VV001 M10/M13 A2978 RMK AO2 PK WND 33031/2211 SLP150 P0002 T11001128 |
| 14:52 MST |  Obscured Heavy Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1008 mb (29.77 in) | NNW 32 kph (NNW 19.6 mph) | 0.51 mm (0.02 in) | 1/4SM |
| | KIEN 252152Z AUTO 33017G27KT 1/4SM +SN VV001 M09/M12 A2977 RMK AO2 PK WND 32030/2117 SLP145 P0002 T10941122 |
| 13:52 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1008 mb (29.77 in) | NW 39 kph (NW 24.2 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 252052Z AUTO 32021G32KT 1/4SM +SN VV001 M10/M13 A2976 RMK AO2 PK WND 31032/2051 SLP144 P0001 60003 T11001128 55010 |
| 13:39 MST |  Obscured Heavy Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1008 mb (29.77 in) | NW 32 kph (NW 19.6 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 252039Z AUTO 32017G21KT 1/4SM +SN VV001 M09/M12 A2976 RMK AO2 PK WND 33029/2014 P0001 |
| 13:13 MST |  Obscured Heavy Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1007 mb (29.74 in) | NW 39 kph (NW 24.2 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 252013Z AUTO 32021G29KT 1/4SM +SN VV002 M10/M13 A2975 RMK AO2 PK WND 32029/2012 P0000 |
| 12:52 MST |  Obscured Heavy Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1008 mb (29.77 in) | WNW 22 kph (WNW 13.8 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 251952Z AUTO 29012KT 1/4SM +SN VV001 M12/M14 A2976 RMK AO2 SLP148 P0001 T11171144 |
| 12:16 MST |  Obscured Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1008 mb (29.77 in) | WNW 24 kph (WNW 15 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 251916Z AUTO 29013KT 1/4SM SN FZFG VV001 M12/M14 A2977 RMK AO2 P0001 |
| 11:52 MST |  Obscured Heavy Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1008 mb (29.77 in) | W 26 kph (W 16.1 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KIEN 251852Z AUTO 28014KT 1/4SM +SN VV002 M12/M15 A2978 RMK AO2 PK WND 32028/1839 SLP155 P0001 T11221150 |
| 10:52 MST |  Obscured Heavy Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1009 mb (29.8 in) | NW 37 kph (NW 23 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251752Z AUTO 32020G27KT 1/4SM +SN VV003 M11/M14 A2980 RMK AO2 PK WND 31029/1723 SLP160 P0000 60003 T11111139 11111 21167 58014 |
| 09:52 MST |  Obscured Heavy Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251652Z AUTO 31017G23KT 1/4SM +SN VV003 M12/M15 A2982 RMK AO2 PK WND 32030/1618 SLP168 P0000 T11221150 |
| 09:39 MST |  Obscured Heavy Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1010 mb (29.83 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251639Z AUTO 30014KT 1/4SM +SN VV004 M13/M16 A2982 RMK AO2 PK WND 32030/1618 P0000 |
| 09:34 MST |  Obscured Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1010 mb (29.83 in) | WNW 26 kph (WNW 16.1 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 251634Z AUTO 29014G28KT 1/2SM -SN FZFG VV005 M13/M15 A2982 RMK AO2 PK WND 32030/1618 P0000 |
| 09:25 MST |  Overcast Heavy Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251625Z AUTO 32019G30KT 1/4SM +SN BKN004 OVC011 M12/M15 A2982 RMK AO2 PK WND 32030/1618 P0000 |
| 09:15 MST |  Overcast Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 251615Z AUTO 32019G26KT 1/2SM SN BKN004 OVC011 M12/M15 A2982 RMK AO2 PK WND 33026/1610 P0000 |
| 08:52 MST |  Obscured Heavy Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251552Z AUTO 32014G21KT 1/4SM +SN VV004 M12/M15 A2983 RMK AO2 PK WND 32026/1521 SLP169 P0000 T11221150 |
| 07:52 MST |  Obscured Heavy Snow | -14°C / 7°F | -17°C / 1°F | 78% | 1010 mb (29.83 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KIEN 251452Z AUTO 31012KT 1/4SM +SN VV004 M14/M17 A2984 RMK AO2 SLP174 P0000 60003 T11391167 58001 |
| 07:23 MST |  Obscured Snow | -15°C / 5°F | -18°C / 0°F | 78% | 1011 mb (29.85 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 251423Z AUTO 31006KT 1/2SM SN VV002 M15/M18 A2985 RMK AO2 P0000 |
| 07:16 MST |  Overcast Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KIEN 251416Z AUTO 31007KT 1/2SM -SN FZFG OVC001 M16/M18 A2986 RMK AO2 P0000 |
| 06:52 MST |  Overcast Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KIEN 251352Z AUTO 31007KT 1/2SM SN FZFG BKN003 OVC010 M16/M18 A2986 RMK AO2 SLP183 P0002 T11611183 |
| 06:50 MST |  Overcast Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KIEN 251350Z AUTO 30007KT 1/2SM SN FZFG BKN003 OVC010 M16/M18 A2986 RMK AO2 P0002 |
| 06:17 MST |  Obscured Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KIEN 251317Z AUTO 31007KT 3/4SM -SN BR VV006 M16/M18 A2986 RMK AO2 P0001 |
| 06:03 MST |  Obscured Light Snow | -16°C / 3°F | -19°C / -2°F | 78% | 1011 mb (29.85 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 1SM |
| | KIEN 251303Z AUTO 30008KT 1SM -SN VV007 M16/M19 A2985 RMK AO2 P0000 |
| 05:52 MST |  Obscured Light Snow | -16°C / 3°F | -19°C / -2°F | 78% | 1011 mb (29.85 in) | W 15 kph (W 9.2 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KIEN 251252Z AUTO 28008KT 3/4SM -SN VV007 M16/M19 A2985 RMK AO2 SLP183 P0001 T11611189 |
| 05:37 MST |  Obscured Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1010 mb (29.83 in) | WNW 20 kph (WNW 12.7 mph) | 0.25 mm (0.01 in) | 1SM |
| | KIEN 251237Z AUTO 29011KT 1SM -SN VV006 M17/M19 A2984 RMK AO2 P0001 |
| 05:05 MST |  Obscured Light Snow | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | W 19 kph (W 11.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KIEN 251205Z AUTO 28010KT 3/4SM -SN VV004 M17/M20 A2985 RMK AO2 P0000 |
| 04:52 MST |  Obscured Light Snow | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | WNW 17 kph (WNW 10.4 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KIEN 251152Z AUTO 29009KT 3/4SM -SN VV005 M17/M20 A2985 RMK AO2 SLP182 P0001 60001 70001 T11671200 11167 21206 56013 |
| 04:39 MST |  Obscured Light Snow | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | WNW 19 kph (WNW 11.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KIEN 251139Z AUTO 29010KT 3/4SM -SN VV008 M17/M20 A2985 RMK AO2 P0000 |
| 04:32 MST |  Overcast Light Snow | -17°C / 1°F | -20°C / -4°F | 78% | 1011 mb (29.85 in) | WNW 22 kph (WNW 13.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KIEN 251132Z AUTO 29012KT 1 1/4SM -SN OVC012 M17/M20 A2985 RMK AO2 P0000 |
| 04:19 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1011 mb (29.85 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KIEN 251119Z AUTO 29009KT 1 3/4SM -SN OVC020 M17/M21 A2985 RMK AO2 P0000 |
| 03:52 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1011 mb (29.85 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KIEN 251052Z AUTO 29009KT 3SM -SN OVC020 M17/M21 A2986 RMK AO2 SLP181 P0000 T11721206 |
| 03:47 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1011 mb (29.85 in) | WNW 19 kph (WNW 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KIEN 251047Z AUTO 29010KT 3SM -SN OVC018 M17/M21 A2986 RMK AO2 P0000 |
| 03:34 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1012 mb (29.88 in) | WNW 19 kph (WNW 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KIEN 251034Z AUTO 29010KT 3SM -SN OVC014 M17/M21 A2987 RMK AO2 P0000 |
| 03:21 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1012 mb (29.88 in) | WNW 20 kph (WNW 12.7 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KIEN 251021Z AUTO 29011KT 1 1/4SM -SN OVC014 M17/M21 A2987 RMK AO2 P0000 |
| 03:14 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1012 mb (29.88 in) | WNW 19 kph (WNW 11.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KIEN 251014Z AUTO 29010KT 1 3/4SM -SN OVC016 M17/M21 A2988 RMK AO2 P0000 |
| 02:52 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1012 mb (29.88 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KIEN 250952Z AUTO 28008KT 3SM -SN BKN020 OVC055 M17/M21 A2989 RMK AO2 SLP190 P0000 T11721206 |
| 02:43 MST |  Overcast Light Snow | -17°C / 1°F | -21°C / -6°F | 71% | 1012 mb (29.88 in) | WNW 13 kph (WNW 8.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KIEN 250943Z AUTO 29007KT 2 1/2SM -SN BKN020 OVC055 M17/M21 A2989 RMK AO2 P0000 |
| 02:23 MST |  Overcast Light Snow | -18°C / 0°F | -21°C / -6°F | 78% | 1013 mb (29.91 in) | WNW 7 kph (WNW 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KIEN 250923Z AUTO 29004KT 2SM -SN BKN010 BKN029 OVC055 M18/M21 A2990 RMK AO2 P0000 |
| 02:12 MST |  Overcast Light Snow | -18°C / 0°F | -21°C / -6°F | 78% | 1013 mb (29.91 in) | WNW 7 kph (WNW 4.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KIEN 250912Z AUTO 29004KT 1 3/4SM -SN BKN010 BKN029 OVC050 M18/M21 A2990 RMK AO2 P0000 |
| 02:00 MST |  Overcast Light Snow | -18°C / 0°F | -21°C / -6°F | 78% | 1013 mb (29.91 in) | W 9 kph (W 5.8 mph) | 0.00 mm (0.00 in) | 2SM |
| | KIEN 250900Z AUTO 28005KT 2SM -SN SCT012 BKN029 OVC050 M18/M21 A2990 RMK AO2 P0000 |
| 01:52 MST |  Overcast Light Snow | -18°C / 0°F | -21°C / -6°F | 78% | 1013 mb (29.91 in) | W 9 kph (W 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KIEN 250852Z AUTO 28005KT 1 3/4SM -SN FEW014 OVC050 M18/M21 A2990 RMK AO2 SLP196 P0000 60000 T11831211 56016 |
| 01:21 MST |  Overcast Light Snow | -19°C / -2°F | -22°C / -8°F | 77% | 1013 mb (29.91 in) | NW 9 kph (NW 5.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KIEN 250821Z AUTO 32005KT 2 1/2SM -SN FEW019 SCT036 OVC050 M19/M22 A2990 RMK AO2 P0000 |
| 00:52 MST |  Overcast Light Snow | -19°C / -2°F | -23°C / -9°F | 71% | 1013 mb (29.91 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KIEN 250752Z AUTO 00000KT 5SM -SN OVC050 M19/M23 A2991 RMK AO2 SNB49 SLP201 P0000 T11941228 |