| 16:53 MST |  Clear | -27°C / -17°F | -30°C / -22°F | 76% | 1026 mb (30.3 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGGW 142353Z AUTO 22005KT 10SM CLR M27/M30 A3030 RMK AO2 SLP344 60001 T12671300 11233 21272 51017 TSNO |
| 15:53 MST |  Clear | -25°C / -13°F | -29°C / -20°F | 69% | 1025 mb (30.27 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KGGW 142253Z AUTO 27004KT 10SM CLR M25/M29 A3028 RMK AO2 SLP337 T12501289 TSNO |
| 14:53 MST |  Clear | -24°C / -11°F | -28°C / -18°F | 70% | 1025 mb (30.27 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KGGW 142153Z AUTO 28010KT 10SM CLR M24/M28 A3027 RMK AO2 SLP330 T12391283 TSNO |
| 13:53 MST |  Clear | -23°C / -9°F | -28°C / -18°F | 64% | 1024 mb (30.24 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGGW 142053Z AUTO 28008KT 10SM CLR M23/M28 A3024 RMK AO2 SLP319 60001 T12331278 53001 TSNO |
| 12:53 MST |  Mostly Cloudy | -24°C / -11°F | -28°C / -18°F | 70% | 1024 mb (30.24 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGGW 141953Z AUTO 32008KT 10SM BKN036 M24/M28 A3025 RMK AO2 SNE37 SLP321 P0000 T12391278 TSNO |
| 12:41 MST |  Overcast | -24°C / -11°F | -28°C / -18°F | 70% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 8SM |
| | KGGW 141941Z AUTO 32009KT 8SM OVC038 M24/M28 A3025 RMK AO2 SNE37 P0000 TSNO |
| 12:24 MST |  Overcast Light Snow | -24°C / -11°F | -28°C / -18°F | 70% | 1024 mb (30.24 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 6SM |
| | KGGW 141924Z AUTO 33011KT 6SM -SN BKN022 OVC035 M24/M28 A3024 RMK AO2 P0000 TSNO |
| 12:10 MST |  Overcast Light Snow | -25°C / -13°F | -28°C / -18°F | 76% | 1024 mb (30.24 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGGW 141910Z AUTO 31011KT 3SM -SN OVC013 M25/M28 A3024 RMK AO2 P0000 TSNO |
| 11:53 MST |  Overcast Light Snow | -25°C / -13°F | -28°C / -18°F | 76% | 1024 mb (30.24 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGGW 141853Z AUTO 32011KT 10SM -SN BKN017 OVC035 M25/M28 A3023 RMK AO2 SLP315 P0001 T12501283 TSNO |
| 11:36 MST |  Overcast Light Snow | -26°C / -15°F | -28°C / -18°F | 83% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGGW 141836Z AUTO 32009KT 3SM -SN BKN021 OVC035 M26/M28 A3024 RMK AO2 P0001 TSNO |
| 11:21 MST |  Overcast Light Snow | -26°C / -15°F | -29°C / -20°F | 76% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGGW 141821Z AUTO 32009KT 2SM -SN BKN021 OVC037 M26/M29 A3023 RMK AO2 P0001 TSNO |
| 11:08 MST |  Overcast Light Snow | -26°C / -15°F | -29°C / -20°F | 76% | 1024 mb (30.24 in) | NW 15 kph (NW 9.2 mph) | 0.25 mm (0.01 in) | 1SM |
| | KGGW 141808Z AUTO 32008KT 1SM -SN BKN019 OVC035 M26/M29 A3023 RMK AO2 P0001 TSNO |
| 10:53 MST |  Overcast Light Snow | -26°C / -15°F | -28°C / -18°F | 83% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KGGW 141753Z AUTO 30009KT 1/2SM -SN FZFG SCT011 OVC020 M26/M28 A3024 RMK AO2 SLP319 P0001 60002 T12611283 11261 21311 TSNO |
| 10:26 MST |  Overcast Light Snow | -26°C / -15°F | -29°C / -20°F | 76% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KGGW 141726Z AUTO 30009KT 3/4SM -SN BKN013 BKN018 OVC032 M26/M29 A3024 RMK AO2 P0001 TSNO |
| 10:18 MST |  Overcast Light Snow | -26°C / -15°F | -28°C / -18°F | 83% | 1024 mb (30.24 in) | NW 15 kph (NW 9.2 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KGGW 141718Z AUTO 31008KT 1 1/2SM -SN BR BKN017 OVC030 M26/M28 A3024 RMK AO2 P0001 TSNO |
| 09:53 MST |  Obscured Light Snow | -27°C / -17°F | -29°C / -20°F | 83% | 1024 mb (30.24 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGGW 141653Z AUTO 30008KT 3/4SM -SN BR VV020 M27/M29 A3024 RMK AO2 SLP319 P0000 T12671289 TSNO |
| 09:45 MST |  Obscured Light Snow | -27°C / -17°F | -29°C / -20°F | 83% | 1024 mb (30.24 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGGW 141645Z AUTO 30009KT 3/4SM -SN BR VV020 M27/M29 A3023 RMK AO2 P0000 TSNO |
| 09:30 MST |  Overcast Light Snow | -27°C / -17°F | -29°C / -20°F | 83% | 1023 mb (30.21 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KGGW 141630Z AUTO 30010KT 1SM -SN BKN017 BKN028 OVC035 M27/M29 A3022 RMK AO2 PRESRR P0000 TSNO |
| 09:15 MST |  Overcast Light Snow | -27°C / -17°F | -29°C / -20°F | 83% | 1023 mb (30.21 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KGGW 141615Z AUTO 32010KT 1SM -SN BR BKN014 BKN022 OVC037 M27/M29 A3020 RMK AO2 P0000 TSNO |
| 09:06 MST |  Overcast Light Snow | -27°C / -17°F | -30°C / -22°F | 76% | 1022 mb (30.18 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGGW 141606Z AUTO 32012KT 3/4SM -SN BKN014 BKN022 OVC037 M27/M30 A3019 RMK AO2 P0000 TSNO |
| 08:53 MST |  Obscured Light Snow | -28°C / -18°F | -30°C / -22°F | 83% | 1023 mb (30.21 in) | NW 22 kph (NW 13.8 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KGGW 141553Z AUTO 32012KT 1/2SM -SN FZFG VV016 M28/M30 A3020 RMK AO2 SNB06 SLP306 P0001 T12781300 TSNO |
| 08:31 MST |  Overcast Light Snow | -28°C / -18°F | -31°C / -24°F | 75% | 1022 mb (30.18 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGGW 141531Z AUTO 31010KT 3/4SM -SN BR BKN023 BKN038 OVC050 M28/M31 A3019 RMK AO2 SNB06 P0000 TSNO |
| 08:23 MST |  Light Snow | -28°C / -18°F | -31°C / -24°F | 75% | 1023 mb (30.21 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KGGW 141523Z AUTO 30010KT 1SM -SN BR M28/M31 A3020 RMK AO2 SNB06 P0000 TSNO |
| 08:14 MST |  Light Snow | -28°C / -18°F | -31°C / -24°F | 75% | 1023 mb (30.21 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 141514Z AUTO 31008KT 1 3/4SM -SN M28/M31 A3020 RMK AO2 SNB06 P0000 TSNO |
| 07:53 MST |  Overcast | -29°C / -20°F | -31°C / -24°F | 83% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KGGW 141453Z AUTO 10SM FEW055 BKN070 OVC090 M29/M31 A3018 RMK AO2 SLP301 T12891311 53011 TSNO |
| 06:53 MST |  Clear | -31°C / -24°F | -33°C / -27°F | 82% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 141353Z AUTO 10SM CLR M31/M33 A3016 RMK AO2 SLP297 T13061328 TSNO $ |
| 05:53 MST |  Clear | -31°C / -24°F | -33°C / -27°F | 82% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 141253Z AUTO 10SM CLR M31/M33 A3016 RMK AO2 SLP295 T13061328 TSNO $ |
| 04:53 MST |  Clear | -28°C / -18°F | -31°C / -24°F | 75% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 141153Z AUTO 10SM CLR M28/M31 A3014 RMK AO2 SLP288 60000 70013 T12831306 11239 21289 50006 TSNO $ |
| 03:53 MST |  Clear | -28°C / -18°F | -29°C / -20°F | 91% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 141053Z AUTO 10SM CLR M28/M29 A3015 RMK AO2 SLP290 T12781294 TSNO $ |
| 03:43 MST |  Partly Cloudy | -28°C / -18°F | -30°C / -22°F | 83% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 141043Z AUTO 10SM SCT023 M28/M30 A3015 RMK AO2 TSNO $ |
| 02:53 MST |  Overcast | -27°C / -17°F | -29°C / -20°F | 83% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KGGW 140953Z AUTO 10SM FEW019 BKN023 OVC035 M27/M29 A3014 RMK AO2 SLP285 T12671289 TSNO $ |
| 02:05 MST |  Overcast | -25°C / -13°F | -27°C / -17°F | 83% | 1020 mb (30.12 in) | Calm | - | 8SM |
| | KGGW 140905Z AUTO 8SM SCT029 OVC047 M25/M27 A3013 RMK AO2 TSNO $ |
| 01:53 MST |  Overcast Fog And Mist | -24°C / -11°F | -27°C / -17°F | 76% | 1020 mb (30.12 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KGGW 140853Z AUTO 6SM BR BKN029 BKN039 OVC049 M24/M27 A3013 RMK AO2 SNE03 SLP275 P0000 60000 T12441267 53011 TSNO $ |
| 00:53 MST |  Overcast Light Snow | -24°C / -11°F | -27°C / -17°F | 76% | 1020 mb (30.12 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KGGW 140753Z AUTO 3SM -SN SCT020 BKN035 OVC050 M24/M27 A3011 RMK AO2 SLP270 P0000 T12391267 TSNO $ |
| 00:36 MST |  Overcast Light Snow | -24°C / -11°F | -27°C / -17°F | 76% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KGGW 140736Z AUTO 3SM -SN FEW017 BKN022 OVC040 M24/M27 A3010 RMK AO2 P0000 TSNO $ |
| 00:11 MST |  Overcast Light Snow | -24°C / -11°F | -27°C / -17°F | 76% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KGGW 140711Z AUTO 2SM -SN BKN033 OVC048 M24/M27 A3010 RMK AO2 P0000 TSNO $ |
| 00:04 MST |  Overcast Light Snow | -24°C / -11°F | -27°C / -17°F | 76% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 140704Z AUTO 1 3/4SM -SN SCT037 OVC048 M24/M27 A3009 RMK AO2 P0000 TSNO $ |