| 22:56 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1006 mb (29.71 in) | NNW 22 kph (NNW 13.8 mph) | - | 3/4SM |
| | KCTB 220556Z AUTO 34012KT 3/4SM BR OVC001 M07/M09 A2972 RMK AO2 SLP110 T10671089 11044 21067 51011 |
| 22:40 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1006 mb (29.71 in) | N 20 kph (N 12.7 mph) | - | 3/4SM |
| | KCTB 220540Z AUTO 35011KT 3/4SM BR OVC001 M07/M09 A2972 RMK AO2 |
| 22:21 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1006 mb (29.71 in) | N 15 kph (N 9.2 mph) | - | 1SM |
| | KCTB 220521Z AUTO 35008KT 1SM BR OVC001 M07/M09 A2972 RMK AO2 |
| 21:56 MST |  Obscured Fog | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | N 13 kph (N 8.1 mph) | - | 1/2SM |
| | KCTB 220456Z AUTO 36007KT 1/2SM FZFG VV001 M06/M08 A2971 RMK AO2 SLP105 T10561078 |
| 21:47 MST |  Obscured Fog | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | N 9 kph (N 5.8 mph) | - | 1/2SM |
| | KCTB 220447Z AUTO 01005KT 1/2SM FZFG VV001 M06/M08 A2971 RMK AO2 |
| 20:56 MST |  Obscured Fog | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NNE 9 kph (NNE 5.8 mph) | - | 1/4SM |
| | KCTB 220356Z AUTO 02005KT 1/4SM FZFG VV001 M06/M08 A2971 RMK AO2 SLP107 T10561078 |
| 19:56 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1005 mb (29.68 in) | ENE 11 kph (ENE 6.9 mph) | - | 1/4SM |
| | KCTB 220256Z AUTO 06006KT 1/4SM FZFG VV001 M06/M07 A2969 RMK AO2 SLP097 T10561072 53001 |
| 19:28 MST |  Obscured Fog | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | ENE 11 kph (ENE 6.9 mph) | - | 1/4SM |
| | KCTB 220228Z AUTO 06006KT 1/4SM FZFG VV001 M05/M07 A2969 RMK AO2 |
| 18:56 MST |  Obscured Fog | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | E 9 kph (E 5.8 mph) | - | 1/2SM |
| | KCTB 220156Z AUTO 09005KT 1/2SM FZFG VV001 M04/M07 A2969 RMK AO2 SLP095 T10441067 |
| 18:44 MST |  Overcast Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | E 11 kph (E 6.9 mph) | - | 1 3/4SM |
| | KCTB 220144Z AUTO 09006KT 1 3/4SM BR OVC001 M04/M07 A2968 RMK AO2 |
| 18:10 MST |  Overcast Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | E 9 kph (E 5.8 mph) | - | 3SM |
| | KCTB 220110Z AUTO 08005KT 3SM BR OVC001 M04/M07 A2968 RMK AO2 |
| 17:56 MST |  Obscured Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | ESE 9 kph (ESE 5.8 mph) | - | 1SM |
| | KCTB 220056Z AUTO 11005KT 1SM BR VV001 M04/M07 A2968 RMK AO2 SLP094 T10441067 |
| 17:31 MST |  Obscured Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1005 mb (29.68 in) | ESE 11 kph (ESE 6.9 mph) | - | 3/4SM |
| | KCTB 220031Z AUTO 11006KT 3/4SM BR VV001 M04/M06 A2968 RMK AO2 |
| 16:56 MST |  Overcast Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | SE 11 kph (SE 6.9 mph) | - | 1 3/4SM |
| | KCTB 212356Z AUTO 13006KT 1 3/4SM BR OVC001 M04/M07 A2968 RMK AO2 VIS 1 1/2V3 SLP094 T10441067 11044 21061 55000 |
| 16:26 MST |  Obscured Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | SSE 15 kph (SSE 9.2 mph) | - | 1SM |
| | KCTB 212326Z AUTO 16008KT 1SM BR VV001 M04/M07 A2968 RMK AO2 |
| 15:56 MST |  Obscured Fog | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | SSE 13 kph (SSE 8.1 mph) | - | 1/2SM |
| | KCTB 212256Z AUTO 15007KT 1/2SM FZFG VV001 M04/M07 A2968 RMK AO2 SLP093 T10441067 |
| 15:52 MST |  Obscured Fog | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | SSE 15 kph (SSE 9.2 mph) | - | 1/2SM |
| | KCTB 212252Z AUTO 15008KT 1/2SM FZFG VV001 M04/M07 A2968 RMK AO2 |
| 15:43 MST |  Obscured Fog | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | SSE 13 kph (SSE 8.1 mph) | - | 1/4SM |
| | KCTB 212243Z AUTO 15007KT 1/4SM FZFG VV001 M04/M07 A2968 RMK AO2 |
| 15:35 MST |  Obscured Fog | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | SSE 17 kph (SSE 10.4 mph) | - | 1/2SM |
| | KCTB 212235Z AUTO 15009KT 1/2SM FZFG VV001 M05/M07 A2968 RMK AO2 |
| 14:56 MST |  Obscured Fog | -5°C / 23°F | -6°C / 21°F | 93% | 1005 mb (29.68 in) | SE 15 kph (SE 9.2 mph) | - | 1/4SM |
| | KCTB 212156Z AUTO 14008KT 1/4SM FZFG VV001 M05/M06 A2968 RMK AO2 SLP095 T10501061 |
| 13:56 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | SSE 13 kph (SSE 8.1 mph) | - | 1/4SM |
| | KCTB 212056Z AUTO 15007KT 1/4SM FZFG VV001 M06/M07 A2970 RMK AO2 SLP099 T10561067 56016 |
| 12:56 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | SSE 13 kph (SSE 8.1 mph) | - | 1/4SM |
| | KCTB 211956Z AUTO 16007KT 1/4SM FZFG VV001 M06/M07 A2971 RMK AO2 SLP106 T10611072 |
| 12:32 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | SSE 9 kph (SSE 5.8 mph) | - | 1/4SM |
| | KCTB 211932Z AUTO 15005KT 1/4SM FZFG VV001 M06/M07 A2972 RMK AO2 |
| 11:56 MST |  Overcast Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | SE 13 kph (SE 8.1 mph) | - | 1/2SM |
| | KCTB 211856Z AUTO 13007KT 1/2SM FZFG OVC001 M06/M07 A2972 RMK AO2 SLP108 T10561072 |
| 11:17 MST |  Overcast Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 1/2SM |
| | KCTB 211817Z AUTO 14006KT 1/2SM FZFG OVC001 M06/M07 A2974 RMK AO2 |
| 10:56 MST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | SE 13 kph (SE 8.1 mph) | - | 1 3/4SM |
| | KCTB 211756Z AUTO 12007KT 1 3/4SM BR OVC001 M06/M07 A2975 RMK AO2 SLP118 T10611072 11061 21067 58002 |
| 10:33 MST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | SE 9 kph (SE 5.8 mph) | - | 3SM |
| | KCTB 211733Z AUTO 13005KT 3SM BR OVC001 M06/M07 A2975 RMK AO2 |
| 10:03 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 1 1/2SM |
| | KCTB 211703Z AUTO 12006KT 1 1/2SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 09:56 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 2SM |
| | KCTB 211656Z AUTO 12006KT 2SM BR OVC001 M07/M08 A2975 RMK AO2 SLP121 T10671078 |
| 09:42 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 3SM |
| | KCTB 211642Z AUTO 12006KT 3SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 09:33 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 9 kph (SE 5.8 mph) | - | 1 1/4SM |
| | KCTB 211633Z AUTO 12005KT 1 1/4SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 09:14 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 7 kph (SE 4.6 mph) | - | 3/4SM |
| | KCTB 211614Z AUTO 12004KT 3/4SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 08:56 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 6 kph (SE 3.5 mph) | - | 1SM |
| | KCTB 211556Z AUTO 12003KT 1SM BR OVC001 M07/M08 A2975 RMK AO2 SLP122 T10671078 |
| 08:49 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | ESE 6 kph (ESE 3.5 mph) | - | 1SM |
| | KCTB 211549Z AUTO 11003KT 1SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 08:42 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 6 kph (SE 3.5 mph) | - | 2SM |
| | KCTB 211542Z AUTO 13003KT 2SM BR OVC001 M07/M08 A2975 RMK AO2 |
| 07:56 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | ESE 7 kph (ESE 4.6 mph) | - | 5SM |
| | KCTB 211456Z AUTO 11004KT 5SM BR OVC003 M07/M08 A2975 RMK AO2 SLP120 T10671078 51001 |
| 07:45 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 11 kph (SE 6.9 mph) | - | 7SM |
| | KCTB 211445Z AUTO 12006KT 7SM OVC003 M07/M08 A2974 RMK AO2 CIG 002V005 |
| 06:56 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KCTB 211356Z AUTO 00000KT 10SM OVC005 M07/M08 A2974 RMK AO2 SLP119 T10671078 $ |
| 05:56 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KCTB 211256Z AUTO 00000KT 10SM OVC007 M07/M08 A2975 RMK AO2 SLP121 T10671083 $ |
| 04:56 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KCTB 211156Z AUTO 11003KT 10SM OVC007 M07/M08 A2974 RMK AO2 SLP119 60000 T10671078 11056 21067 58003 $ |
| 03:56 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KCTB 211056Z AUTO 11003KT 10SM OVC005 M07/M08 A2974 RMK AO2 CIG 004V007 SLP118 T10671078 $ |
| 03:46 MST |  Mostly Cloudy | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | SE 6 kph (SE 3.5 mph) | - | 9SM |
| | KCTB 211046Z AUTO 12003KT 9SM BKN005 M07/M08 A2975 RMK AO2 $ |
| 03:37 MST |  Partly Cloudy | -7°C / 19°F | -8°C / 18°F | 93% | 1007 mb (29.74 in) | ESE 6 kph (ESE 3.5 mph) | - | 9SM |
| | KCTB 211037Z AUTO 11003KT 9SM SCT005 M07/M08 A2975 RMK AO2 $ |
| 02:56 MST |  Clear Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | SE 6 kph (SE 3.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KCTB 210956Z AUTO 13003KT 5SM BR CLR M06/M07 A2976 RMK AO2 SNE52 SLP122 P0000 T10611072 $ |
| 02:49 MST |  Clear Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KCTB 210949Z AUTO 00000KT 5SM -SN BR CLR M06/M07 A2976 RMK AO2 P0000 $ |
| 02:26 MST |  Partly Cloudy Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KCTB 210926Z AUTO 10004KT 2 1/2SM -SN BR SCT003 SCT022 M06/M08 A2975 RMK AO2 P0000 $ |
| 01:56 MST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KCTB 210856Z AUTO 08004KT 2SM -SN BR OVC003 M06/M08 A2975 RMK AO2 SLP119 P0000 60000 T10611078 58007 $ |
| 01:54 MST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KCTB 210854Z AUTO 08004KT 2SM -SN BR OVC003 M06/M08 A2975 RMK AO2 P0000 $ |
| 01:39 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | E 9 kph (E 5.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCTB 210839Z AUTO 08005KT 1 1/4SM -SN BR OVC001 M06/M07 A2976 RMK AO2 P0000 $ |
| 01:07 MST |  Obscured Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | ENE 9 kph (ENE 5.8 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KCTB 210807Z AUTO 07005KT 1/2SM -SN FZFG VV001 M06/M07 A2976 RMK AO2 P0000 $ |
| 00:56 MST |  Obscured Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | E 9 kph (E 5.8 mph) | 0.00 mm (0.00 in) | 1/4SM |
| | KCTB 210756Z AUTO 08005KT 1/4SM -SN FZFG VV001 M06/M07 A2976 RMK AO2 SNB47 SLP124 P0000 T10611072 $ |