| 13:53 MST |  Overcast | -12°C / 10°F | -18°C / 0°F | 61% | 1009 mb (29.8 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGGW 102053Z AUTO 32012KT 10SM BKN036 OVC044 M12/M18 A2981 RMK AO2 PK WND 30033/2000 SLP150 T11221178 53005 TSNO |
| 12:53 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGGW 101953Z AUTO 32009KT 10SM SCT027 OVC032 M12/M16 A2979 RMK AO2 SLP143 T11171156 TSNO |
| 12:02 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1009 mb (29.8 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KGGW 101902Z AUTO 33011KT 10SM FEW019 SCT025 OVC030 M12/M16 A2979 RMK AO2 TSNO $ |
| 11:53 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1009 mb (29.8 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGGW 101853Z AUTO 32010KT 10SM FEW014 BKN025 OVC030 M12/M16 A2979 RMK AO2 SLP141 T11221156 TSNO $ |
| 10:53 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGGW 101753Z AUTO 31007KT 10SM OVC022 M12/M14 A2979 RMK AO2 SNE30 SLP142 P0000 60002 T11221144 11122 21194 51004 TSNO $ |
| 10:30 MST |  Overcast Fog And Mist | -13°C / 9°F | -15°C / 5°F | 85% | 1009 mb (29.8 in) | SSW 7 kph (SSW 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGGW 101730Z AUTO 24004KT 4SM BR FEW010 OVC022 M13/M15 A2979 RMK AO2 SNE30 P0000 TSNO $ |
| 09:53 MST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1008 mb (29.77 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGGW 101653Z AUTO 22004KT 2 1/2SM -SN BR OVC029 M14/M16 A2978 RMK AO2 SLP141 P0000 T11391156 TSNO $ |
| 09:48 MST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1008 mb (29.77 in) | SW 9 kph (SW 5.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGGW 101648Z AUTO 23005KT 2 1/2SM -SN BR BKN026 OVC032 M14/M16 A2978 RMK AO2 P0000 TSNO $ |
| 09:33 MST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1009 mb (29.8 in) | SW 9 kph (SW 5.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGGW 101633Z AUTO 23005KT 3SM -SN BR FEW006 OVC032 M14/M16 A2979 RMK AO2 P0000 TSNO |
| 09:23 MST |  Overcast Light Snow | -16°C / 3°F | -17°C / 1°F | 92% | 1008 mb (29.77 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 101623Z AUTO 22004KT 1 3/4SM -SN BR FEW008 BKN032 OVC039 M16/M17 A2978 RMK AO2 P0000 TSNO |
| 09:15 MST |  Overcast Fog And Mist | -16°C / 3°F | -17°C / 1°F | 92% | 1008 mb (29.77 in) | SW 9 kph (SW 5.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGGW 101615Z AUTO 22005KT 3SM BR SCT008 BKN016 OVC039 M16/M17 A2978 RMK AO2 SNE13 P0000 TSNO |
| 09:05 MST |  Overcast Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1008 mb (29.77 in) | SSW 7 kph (SSW 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGGW 101605Z AUTO 24004KT 2SM -SN BR FEW008 BKN027 OVC039 M16/M18 A2977 RMK AO2 P0000 TSNO |
| 08:53 MST |  Overcast Light Snow | -17°C / 1°F | -18°C / 0°F | 92% | 1008 mb (29.77 in) | Calm | 0.25 mm (0.01 in) | 1 1/4SM |
| | KGGW 101553Z AUTO 00000KT 1 1/4SM -SN BR BKN018 BKN024 OVC030 M17/M18 A2977 RMK AO2 SLP142 P0001 T11671183 TSNO |
| 08:40 MST |  Overcast Light Snow | -17°C / 1°F | -18°C / 0°F | 92% | 1008 mb (29.77 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KGGW 101540Z AUTO 24003KT 1 3/4SM -SN BR FEW020 BKN027 OVC031 M17/M18 A2977 RMK AO2 P0001 TSNO |
| 08:29 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1008 mb (29.77 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KGGW 101529Z AUTO 00000KT 6SM -SN BR BKN023 BKN031 OVC041 M17/M19 A2976 RMK AO2 P0000 TSNO |
| 08:20 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1008 mb (29.77 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KGGW 101520Z AUTO 00000KT 4SM -SN BR SCT025 BKN032 OVC041 M17/M19 A2976 RMK AO2 P0000 TSNO |
| 08:17 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1008 mb (29.77 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGGW 101517Z AUTO 26003KT 2 1/2SM -SN BR FEW021 BKN029 OVC041 M17/M19 A2976 RMK AO2 P0000 TSNO |
| 08:13 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1008 mb (29.77 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 101513Z AUTO 26003KT 1 3/4SM -SN BR FEW015 SCT029 OVC041 M17/M19 A2976 RMK AO2 P0000 TSNO |
| 08:11 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1008 mb (29.77 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KGGW 101511Z AUTO 26003KT 1 1/4SM -SN BR FEW015 BKN029 OVC041 M17/M19 A2976 RMK AO2 P0000 TSNO |
| 08:04 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1007 mb (29.74 in) | W 6 kph (W 3.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGGW 101504Z AUTO 27003KT 3/4SM -SN BR FEW015 BKN029 OVC041 M17/M19 A2975 RMK AO2 P0000 TSNO |
| 07:53 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | W 6 kph (W 3.5 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KGGW 101453Z AUTO 27003KT 1 1/4SM -SN BR BKN015 OVC029 M18/M19 A2975 RMK AO2 SLP134 P0001 60001 T11781194 51002 TSNO |
| 07:49 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KGGW 101449Z AUTO 00000KT 1 3/4SM -SN BR BKN015 OVC029 M18/M19 A2975 RMK AO2 P0001 TSNO |
| 07:42 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KGGW 101442Z AUTO 00000KT 1 1/2SM -SN BR BKN013 OVC029 M18/M19 A2975 RMK AO2 P0001 TSNO |
| 07:34 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | WNW 6 kph (WNW 3.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGGW 101434Z AUTO 29003KT 2SM -SN BR OVC013 M18/M19 A2975 RMK AO2 P0001 TSNO |
| 07:25 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KGGW 101425Z AUTO 00000KT 1 3/4SM -SN BR BKN013 OVC023 M17/M19 A2975 RMK AO2 P0001 TSNO |
| 07:00 MST |  Overcast Light Snow | -17°C / 1°F | -19°C / -2°F | 85% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 1/4SM |
| | KGGW 101400Z AUTO 00000KT 1 1/4SM -SN BR SCT004 BKN011 OVC023 M17/M19 A2975 RMK AO2 P0001 TSNO $ |
| 06:53 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 101353Z AUTO 00000KT 1 3/4SM -SN BR BKN004 OVC013 M18/M19 A2975 RMK AO2 SNB1255 SLP133 P0000 T11781194 TSNO $ |
| 06:32 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KGGW 101332Z AUTO 00000KT 2SM -SN BR BKN006 BKN014 OVC049 M18/M19 A2975 RMK AO2 SNB1255 P0000 TSNO $ |
| 06:28 MST |  Overcast Light Snow | -18°C / 0°F | -19°C / -2°F | 92% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KGGW 101328Z AUTO 00000KT 2SM -SN BR SCT008 BKN016 OVC049 M18/M19 A2974 RMK AO2 SNB1255 P0000 TSNO $ |
| 06:11 MST |  Overcast Light Snow | -18°C / 0°F | -20°C / -4°F | 84% | 1007 mb (29.74 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGGW 101311Z AUTO 23003KT 1 1/2SM -SN BR BKN020 BKN029 OVC050 M18/M20 A2975 RMK AO2 SNB1255 P0000 TSNO $ |
| 06:01 MST |  Overcast Light Snow | -18°C / 0°F | -21°C / -6°F | 78% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGGW 101301Z AUTO 20003KT 2 1/2SM -SN BR OVC026 M18/M21 A2974 RMK AO2 SNB1255 P0000 TSNO $ |
| 05:53 MST |  Overcast | -18°C / 0°F | -21°C / -6°F | 78% | 1007 mb (29.74 in) | S 6 kph (S 3.5 mph) | 0.00 mm (0.00 in) | 8SM |
| | KGGW 101253Z AUTO 19003KT 8SM OVC032 M18/M21 A2974 RMK AO2 SNB09E29 SLP133 P0000 T11831206 TSNO $ |
| 05:43 MST |  Overcast | -18°C / 0°F | -21°C / -6°F | 78% | 1007 mb (29.74 in) | S 6 kph (S 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGGW 101243Z AUTO 19003KT 10SM OVC032 M18/M21 A2974 RMK AO2 SNB09E29 P0000 TSNO $ |
| 05:17 MST |  Overcast Light Snow | -19°C / -2°F | -21°C / -6°F | 84% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KGGW 101217Z AUTO 00000KT 3SM -SN BR OVC024 M19/M21 A2974 RMK AO2 SNB09 P0000 TSNO $ |
| 04:53 MST |  Mostly Cloudy | -19°C / -2°F | -22°C / -8°F | 77% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KGGW 101153Z AUTO 00000KT 10SM BKN047 BKN055 M19/M22 A2974 RMK AO2 SLP131 60000 T11941217 11178 21211 58004 TSNO $ |
| 03:53 MST |  Overcast Hazy | -20°C / -4°F | -23°C / -9°F | 77% | 1007 mb (29.74 in) | Calm | - | 5SM |
| | KGGW 101053Z AUTO 00000KT 5SM HZ BKN047 OVC070 M20/M23 A2974 RMK AO2 SLP133 T12001228 TSNO $ |
| 02:53 MST |  Overcast | -21°C / -6°F | -23°C / -9°F | 84% | 1008 mb (29.77 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KGGW 100953Z AUTO 33004KT 10SM OVC070 M21/M23 A2976 RMK AO2 SLP141 T12061228 TSNO $ |
| 01:53 MST |  Mostly Cloudy | -21°C / -6°F | -23°C / -9°F | 84% | 1007 mb (29.74 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KGGW 100853Z AUTO 30006KT 10SM FEW043 BKN055 M21/M23 A2975 RMK AO2 SLP138 60000 T12061228 58001 TSNO $ |
| 00:53 MST |  Overcast | -21°C / -6°F | -23°C / -9°F | 84% | 1007 mb (29.74 in) | NNW 7 kph (NNW 4.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KGGW 100753Z AUTO 34004KT 9SM FEW030 BKN055 OVC090 M21/M23 A2975 RMK AO2 PK WND 31060/0726 SNE12 SLP140 P0000 T12061228 TSNO $ |