| 07:53 MST |  Overcast | -5°C / 23°F | -9°C / 16°F | 74% | 1021 mb (30.15 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KHLN 011453Z 34008KT 10SM OVC043 M05/M09 A3014 RMK AO2 SNE01 SLP248 P0000 60000 T10501089 51021 |
| 06:53 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1020 mb (30.12 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KHLN 011353Z 30009KT 5SM -SN BR OVC033 M05/M07 A3012 RMK AO2 SLP238 P0000 T10501067 |
| 06:45 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1020 mb (30.12 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KHLN 011345Z 32010KT 4SM -SN BR OVC033 M05/M07 A3011 RMK AO2 P0000 |
| 06:02 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KHLN 011302Z 31009KT 3SM -SN BR OVC023 M05/M07 A3009 RMK AO2 P0000 |
| 05:53 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1019 mb (30.09 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KHLN 011253Z 30010KT 1 1/2SM -SN BR OVC017 M05/M07 A3009 RMK AO2 SLP241 P0000 T10501067 |
| 05:36 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KHLN 011236Z AUTO 30009KT 1 3/4SM -SN BR OVC019 M05/M07 A3008 RMK AO2 P0000 |
| 05:10 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1018 mb (30.06 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KHLN 011210Z AUTO 30008KT 2SM -SN BR OVC015 M05/M07 A3007 RMK AO2 P0000 |
| 04:58 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1018 mb (30.06 in) | WNW 13 kph (WNW 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KHLN 011158Z AUTO 29007KT 2SM -SN BR OVC013 M05/M07 A3007 RMK AO2 P0000 |
| 04:53 MST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1018 mb (30.06 in) | NW 15 kph (NW 9.2 mph) | 1.02 mm (0.04 in) | 1 1/4SM |
| | KHLN 011153Z AUTO 30008KT 1 1/4SM -SN BR OVC009 M05/M07 A3007 RMK AO2 SLP221 P0004 60005 70005 T10501067 10067 21050 52022 |
| 04:42 MST |  Obscured Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | W 15 kph (W 9.2 mph) | 0.76 mm (0.03 in) | 1SM |
| | KHLN 011142Z AUTO 28008KT 1SM -SN BR VV006 M05/M06 A3006 RMK AO2 P0003 |
| 04:34 MST |  Obscured Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | 0.76 mm (0.03 in) | 3/4SM |
| | KHLN 011134Z AUTO 28007KT 3/4SM -SN BR VV006 M05/M06 A3006 RMK AO2 P0003 |
| 04:19 MST |  Obscured Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | NW 19 kph (NW 11.5 mph) | 0.51 mm (0.02 in) | 1SM |
| | KHLN 011119Z AUTO 31010KT 1SM -SN BR VV005 M05/M06 A3005 RMK AO2 P0002 |
| 04:04 MST |  Obscured Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1018 mb (30.06 in) | WNW 13 kph (WNW 8.1 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KHLN 011104Z AUTO 29007KT 1/2SM SN FZFG VV004 M04/M06 A3005 RMK AO2 P0001 |
| 03:53 MST |  Obscured Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KHLN 011053Z AUTO 27007KT 3/4SM -SN BR VV005 M04/M06 A3005 RMK AO2 SNB0958 SLP219 P0001 T10441061 |
| 03:41 MST |  Obscured Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | W 11 kph (W 6.9 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KHLN 011041Z AUTO 28006KT 3/4SM -SN BR VV008 M04/M06 A3004 RMK AO2 SNB0958 P0000 |
| 03:32 MST |  Obscured Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 1SM |
| | KHLN 011032Z AUTO 28008KT 1SM -SN BR VV011 M04/M06 A3004 RMK AO2 SNB0958 P0000 |
| 03:23 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KHLN 011023Z AUTO 32008KT 1 1/2SM -SN BR BKN013 OVC019 M04/M07 A3003 RMK AO2 SNB0958 P0000 |
| 03:16 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KHLN 011016Z AUTO 33009KT 290V010 2SM -SN BKN018 OVC024 M04/M07 A3003 RMK AO2 SNB0958 P0000 |
| 02:53 MST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1017 mb (30.03 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KHLN 010953Z AUTO 32010KT 10SM OVC024 M03/M07 A3002 RMK AO2 SNE27 SLP203 P0000 T10331072 |
| 02:39 MST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1016 mb (30 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KHLN 010939Z AUTO 32010KT 10SM BKN024 OVC043 M03/M07 A3001 RMK AO2 SNE27 P0000 |
| 01:53 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 8SM |
| | KHLN 010853Z AUTO 32011KT 8SM -SN OVC041 M04/M07 A3000 RMK AO2 SNB51 SLP201 P0000 60000 T10391072 51041 |
| 00:53 MST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1015 mb (29.97 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KHLN 010753Z AUTO 31012KT 10SM OVC035 M02/M08 A2996 RMK AO2 SLP188 T10221078 |