| 06:53 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1009 mb (29.8 in) | NE 9 kph (NE 5.8 mph) | 0.25 mm (0.01 in) | 3SM |
| | KLAA 231353Z AUTO 03005KT 3SM -SN BR BKN046 OVC055 M04/M05 A2979 RMK AO2 SLP107 P0001 T10391050 $ |
| 06:09 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1008 mb (29.77 in) | NNE 7 kph (NNE 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KLAA 231309Z AUTO 02004KT 2SM -SN BR FEW016 OVC042 M04/M05 A2978 RMK AO2 P0001 $ |
| 06:02 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1008 mb (29.77 in) | NNE 6 kph (NNE 3.5 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLAA 231302Z AUTO 02003KT 1 3/4SM -SN BR FEW016 OVC040 M04/M05 A2978 RMK AO2 P0001 $ |
| 05:53 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1008 mb (29.77 in) | NE 6 kph (NE 3.5 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLAA 231253Z AUTO 03003KT 1 3/4SM -SN BR BKN016 BKN029 OVC044 M04/M05 A2977 RMK AO2 SLP097 P0001 T10391050 $ |
| 05:36 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1008 mb (29.77 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 231236Z AUTO 00000KT 1 1/2SM -SN BR BKN018 OVC033 M04/M05 A2977 RMK AO2 P0001 $ |
| 05:25 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1008 mb (29.77 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 231225Z AUTO 04004KT 1 1/2SM -SN BR SCT018 OVC031 M04/M05 A2976 RMK AO2 P0001 $ |
| 04:57 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLAA 231157Z AUTO 00000KT 1 3/4SM -SN BR FEW023 BKN029 OVC037 M04/M05 A2975 RMK AO2 P0001 $ |
| 04:53 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KLAA 231153Z AUTO 00000KT 2SM -SN BR FEW023 SCT029 OVC037 M04/M05 A2975 RMK AO2 SLP088 P0001 60011 70015 T10391050 11033 21039 51008 $ |
| 04:30 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | ENE 6 kph (ENE 3.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KLAA 231130Z AUTO 06003KT 2SM -SN BR OVC035 M04/M05 A2974 RMK AO2 P0001 $ |
| 04:20 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 231120Z AUTO 00000KT 1 1/2SM -SN BR FEW012 OVC033 M04/M05 A2974 RMK AO2 P0001 $ |
| 04:11 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 1SM |
| | KLAA 231111Z AUTO 00000KT 1SM -SN BR FEW012 OVC031 M04/M05 A2974 RMK AO2 P0001 $ |
| 03:53 MST |  Overcast Light Snow | -4°C / 25°F | -4°C / 25°F | 100% | 1007 mb (29.74 in) | Calm | 0.76 mm (0.03 in) | 1 1/4SM |
| | KLAA 231053Z AUTO 00000KT 1 1/4SM -SN BR OVC027 M04/M04 A2974 RMK AO2 SLP081 P0003 T10391044 $ |
| 03:37 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.51 mm (0.02 in) | 1SM |
| | KLAA 231037Z AUTO 00000KT 1SM -SN BR OVC025 M04/M05 A2974 RMK AO2 P0002 $ |
| 03:21 MST |  Overcast Light Snow | -4°C / 25°F | -4°C / 25°F | 100% | 1007 mb (29.74 in) | E 6 kph (E 3.5 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KLAA 231021Z AUTO 08003KT 1 1/4SM -SN BR OVC025 M04/M04 A2973 RMK AO2 P0001 $ |
| 03:11 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | E 9 kph (E 5.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KLAA 231011Z AUTO 10005KT 1 1/2SM -SN BR OVC025 M04/M05 A2973 RMK AO2 P0000 $ |
| 02:53 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KLAA 230953Z AUTO 09008KT 2 1/2SM -SN BR OVC023 M04/M05 A2973 RMK AO2 SLP072 P0001 T10391050 $ |
| 02:50 MST |  Overcast Light Snow | -4°C / 25°F | -4°C / 25°F | 100% | 1007 mb (29.74 in) | E 13 kph (E 8.1 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KLAA 230950Z AUTO 09007KT 2 1/2SM -SN BR OVC023 M04/M04 A2973 RMK AO2 P0001 $ |
| 02:33 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | E 19 kph (E 11.5 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 230933Z AUTO 09010KT 1 1/2SM -SN BR OVC023 M04/M05 A2973 RMK AO2 P0001 $ |
| 02:21 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1006 mb (29.71 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 2SM |
| | KLAA 230921Z AUTO 09008KT 2SM -SN BR FEW008 OVC023 M04/M05 A2972 RMK AO2 P0001 $ |
| 02:02 MST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLAA 230902Z AUTO 10008KT 1 3/4SM -SN BR SCT006 OVC023 M03/M05 A2973 RMK AO2 P0001 $ |
| 01:53 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 13 kph (E 8.1 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KLAA 230853Z AUTO 10007KT 1 1/4SM -SN BR SCT006 SCT016 OVC023 M03/M04 A2973 RMK AO2 SLP071 P0001 60006 T10331044 56009 $ |
| 01:44 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 11 kph (E 6.9 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KLAA 230844Z AUTO 10006KT 1 1/4SM -SN BR SCT006 BKN016 OVC023 M03/M04 A2973 RMK AO2 P0001 $ |
| 01:37 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 11 kph (E 6.9 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 230837Z AUTO 10006KT 1 1/2SM -SN BR SCT006 BKN016 OVC040 M03/M04 A2973 RMK AO2 P0001 $ |
| 01:28 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1006 mb (29.71 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 2SM |
| | KLAA 230828Z AUTO 10008KT 2SM -SN BR FEW006 BKN016 OVC036 M03/M04 A2972 RMK AO2 P0001 $ |
| 01:25 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1006 mb (29.71 in) | E 15 kph (E 9.2 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLAA 230825Z AUTO 10008KT 1 3/4SM -SN BR FEW006 SCT016 OVC036 M03/M04 A2972 RMK AO2 P0001 $ |
| 01:08 MST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1006 mb (29.71 in) | E 17 kph (E 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLAA 230808Z AUTO 10009KT 2SM -SN BR FEW006 SCT012 OVC036 M03/M05 A2972 RMK AO2 P0000 $ |
| 01:00 MST |  Overcast Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | E 20 kph (E 12.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KLAA 230800Z AUTO 10011KT 1 1/2SM -SN BR FEW012 SCT023 OVC036 M03/M05 A2973 RMK AO2 P0000 $ |
| 00:53 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 19 kph (E 11.5 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KLAA 230753Z AUTO 10010KT 1 1/4SM -SN BR SCT012 BKN023 OVC036 M03/M04 A2973 RMK AO2 SLP074 P0002 T10331044 $ |
| 00:49 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 19 kph (E 11.5 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KLAA 230749Z AUTO 10010KT 1 1/4SM -SN BR FEW007 BKN012 OVC023 M03/M04 A2973 RMK AO2 P0002 $ |
| 00:10 MST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 11 kph (E 6.9 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KLAA 230710Z AUTO 10006KT 1 1/2SM -SN BR SCT009 BKN019 OVC035 M03/M04 A2974 RMK AO2 P0001 $ |