| 07:54 MST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KLWT 011454Z AUTO 24007KT 220V290 10SM OVC012 M06/M09 A3007 RMK AO2 SLP208 60000 T10611094 51017 |
| 06:54 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KLWT 011354Z AUTO VRB03KT 10SM BKN010 OVC013 M06/M08 A3005 RMK AO2 SNE11 CIG 007V011 SLP200 P0000 T10611083 |
| 06:45 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KLWT 011345Z AUTO 01004KT 10SM OVC010 M06/M08 A3005 RMK AO2 SNE11 CIG 006V011 P0000 |
| 05:54 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KLWT 011254Z AUTO 32006KT 4SM -SN BR BKN007 OVC016 M06/M07 A3004 RMK AO2 CIG 005V012 SLP194 P0000 T10561072 |
| 05:51 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KLWT 011251Z AUTO 32008KT 3SM -SN BR BKN007 OVC016 M06/M07 A3003 RMK AO2 CIG 005V012 P0000 |
| 05:42 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLWT 011242Z AUTO 32010G18KT 2SM -SN BR SCT007 BKN010 OVC014 M06/M07 A3003 RMK AO2 CIG 009V012 P0000 |
| 05:22 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLWT 011222Z AUTO 31010G16KT 1SM -SN BR SCT007 BKN014 OVC020 M06/M07 A3002 RMK AO2 P0000 |
| 05:08 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KLWT 011208Z AUTO 31010G18KT 3/4SM -SN BR SCT007 BKN014 OVC023 M06/M07 A3001 RMK AO2 P0000 |
| 04:54 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 1SM |
| | KLWT 011154Z AUTO 32011G16KT 1SM -SN BR BKN007 BKN012 OVC019 M06/M07 A3001 RMK AO2 SLP182 P0001 60001 70001 T10561067 11022 21056 51008 |
| 04:51 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 1SM |
| | KLWT 011151Z AUTO 31011G16KT 1SM -SN BR BKN005 BKN012 OVC019 M06/M07 A3001 RMK AO2 P0001 |
| 04:20 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KLWT 011120Z AUTO 32012G19KT 3/4SM -SN BR BKN007 OVC014 M06/M07 A3000 RMK AO2 P0000 |
| 03:54 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1016 mb (30 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLWT 011054Z AUTO 30009G16KT 1SM -SN BR BKN005 OVC014 M05/M06 A2999 RMK AO2 PK WND 31028/0958 SLP173 P0000 T10501061 |
| 03:49 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLWT 011049Z AUTO 30011G18KT 1SM -SN BR BKN005 BKN009 OVC014 M05/M06 A2998 RMK AO2 PK WND 31028/0958 P0000 |
| 03:09 MST |  Obscured Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1015 mb (29.97 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KLWT 011009Z AUTO 30019G27KT 3/4SM -SN BR VV006 M05/M06 A2996 RMK AO2 PK WND 31028/0958 P0000 |
| 02:54 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1014 mb (29.94 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KLWT 010954Z AUTO 30019G25KT 1 1/4SM -SN BR OVC007 M05/M06 A2995 RMK AO2 PK WND 31026/0918 SLP156 P0000 T10501061 |
| 02:01 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLWT 010901Z AUTO 30018G23KT 1 3/4SM -SN BR BKN009 BKN016 OVC024 M04/M06 A2994 RMK AO2 CIG 006V013 P0000 |
| 01:54 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLWT 010854Z AUTO 31014G26KT 2 1/2SM -SN BR SCT009 BKN012 OVC024 M04/M06 A2993 RMK AO2 PK WND 30027/0838 SLP148 P0000 60000 T10441056 51035 |
| 01:51 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLWT 010851Z AUTO 31012G26KT 2 1/2SM -SN BR BKN009 BKN016 OVC022 M04/M06 A2992 RMK AO2 PK WND 30027/0838 CIG 006V014 P0000 |
| 01:41 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NW 30 kph (NW 18.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KLWT 010841Z AUTO 31016G27KT 3SM -SN BR FEW007 BKN013 OVC044 M04/M06 A2992 RMK AO2 PK WND 30027/0838 P0000 |
| 01:33 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLWT 010833Z AUTO 31017G23KT 2 1/2SM -SN BR FEW007 BKN020 OVC044 M04/M06 A2992 RMK AO2 PK WND 30027/0800 P0000 |
| 01:21 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLWT 010821Z AUTO 32017G26KT 2SM -SN BR FEW014 SCT031 OVC044 M04/M06 A2991 RMK AO2 PK WND 30027/0800 P0000 |
| 01:08 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLWT 010808Z AUTO 32018G27KT 2 1/2SM -SN BR SCT016 BKN027 OVC046 M04/M06 A2990 RMK AO2 PK WND 30027/0800 P0000 |
| 00:54 MST |  Overcast Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1012 mb (29.88 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KLWT 010754Z AUTO 32017G29KT 6SM -SN BR SCT014 BKN025 OVC038 M03/M06 A2989 RMK AO2 PK WND 31031/0740 SLP133 P0000 T10331056 |