| 09:08 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1010 mb (29.83 in) | S 7 kph (S 4.6 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLGU 051608Z AUTO 18004KT 1SM -SN BR BKN015 OVC036 M07/M09 A2982 RMK AO2 P0000 |
| 09:05 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1009 mb (29.8 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KLGU 051605Z AUTO 15003KT 3/4SM -SN BR BKN013 OVC042 M07/M09 A2981 RMK AO2 P0000 |
| 08:51 MST |  Overcast Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1009 mb (29.8 in) | SSE 7 kph (SSE 4.6 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KLGU 051551Z AUTO 16004KT 1/2SM SN FZFG BKN006 BKN015 OVC027 M07/M09 A2981 RMK AO2 SLP139 P0002 T10721094 |
| 08:48 MST |  Overcast Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1010 mb (29.83 in) | SSE 9 kph (SSE 5.8 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KLGU 051548Z AUTO 16005KT 1/2SM SN FZFG BKN006 BKN015 OVC025 M07/M09 A2982 RMK AO2 P0002 |
| 08:39 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1009 mb (29.8 in) | SE 11 kph (SE 6.9 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KLGU 051539Z AUTO 14006KT 3/4SM -SN BR BKN013 OVC028 M07/M09 A2981 RMK AO2 P0001 |
| 08:11 MST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1010 mb (29.83 in) | S 13 kph (S 8.1 mph) | 0.25 mm (0.01 in) | 1SM |
| | KLGU 051511Z AUTO 18007KT 1SM -SN BR BKN015 OVC033 M08/M11 A2982 RMK AO2 P0001 |
| 08:08 MST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1010 mb (29.83 in) | S 15 kph (S 9.2 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KLGU 051508Z AUTO 18008KT 3/4SM -SN BR BKN013 OVC033 M08/M11 A2982 RMK AO2 P0001 |
| 07:58 MST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1009 mb (29.8 in) | S 13 kph (S 8.1 mph) | 0.25 mm (0.01 in) | 1SM |
| | KLGU 051458Z AUTO 17007KT 1SM -SN BR BKN011 OVC035 M08/M11 A2981 RMK AO2 P0001 |
| 07:51 MST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1010 mb (29.83 in) | S 11 kph (S 6.9 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLGU 051451Z AUTO 17006KT 1 1/2SM -SN BR BKN009 OVC035 M08/M11 A2982 RMK AO2 SNB05 SLP140 P0001 60001 T10831106 50008 |
| 07:43 MST |  Obscured Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1010 mb (29.83 in) | S 9 kph (S 5.8 mph) | 0.25 mm (0.01 in) | 1SM |
| | KLGU 051443Z AUTO 18005KT 1SM -SN BR VV006 M08/M11 A2982 RMK AO2 SNB05 P0001 |
| 07:30 MST |  Obscured Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1010 mb (29.83 in) | S 9 kph (S 5.8 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KLGU 051430Z AUTO 17005KT 3/4SM -SN VV005 M08/M11 A2982 RMK AO2 SNB05 P0001 |
| 07:27 MST |  Obscured Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1010 mb (29.83 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLGU 051427Z AUTO 17005KT 1SM -SN VV007 M08/M12 A2982 RMK AO2 SNB05 P0000 |
| 07:15 MST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1010 mb (29.83 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KLGU 051415Z AUTO 18005KT 1 1/4SM -SN BKN013 OVC049 M08/M12 A2982 RMK AO2 SNB05 P0000 |
| 07:09 MST |  Overcast Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1010 mb (29.83 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLGU 051409Z AUTO 18005KT 2 1/2SM -SN BKN017 BKN043 OVC065 M08/M13 A2982 RMK AO2 SNB05 P0000 |
| 06:51 MST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1010 mb (29.83 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KLGU 051351Z AUTO 13005KT 10SM FEW044 OVC070 M08/M13 A2982 RMK AO2 SLP139 T10831128 |
| 05:51 MST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1009 mb (29.8 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KLGU 051251Z AUTO 21006KT 10SM OVC095 M08/M13 A2979 RMK AO2 SLP124 T10831128 |
| 04:51 MST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1009 mb (29.8 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KLGU 051151Z AUTO 36010KT 10SM OVC095 M09/M13 A2979 RMK AO2 WSHFT 1133 SLP123 T10941133 11094 21139 55006 |
| 03:51 MST |  Mostly Cloudy | -12°C / 10°F | -16°C / 3°F | 72% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KLGU 051051Z AUTO 00000KT 10SM BKN100 M12/M16 A2978 RMK AO2 SLP118 T11171161 |
| 02:51 MST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1009 mb (29.8 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KLGU 050951Z AUTO 10003KT 10SM CLR M13/M17 A2980 RMK AO2 SLP127 T11281167 |
| 01:51 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1009 mb (29.8 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KLGU 050851Z AUTO 15005KT 10SM CLR M12/M16 A2981 RMK AO2 SLP131 T11221161 58019 |
| 00:51 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KLGU 050751Z AUTO 00000KT 10SM CLR M12/M15 A2984 RMK AO2 SLP142 T11171150 |