| 11:51 MST |  Partly Cloudy | -3°C / 27°F | -7°C / 19°F | 74% | 1024 mb (30.24 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KROW 041851Z 19009KT 10SM SCT014 M03/M07 A3024 RMK AO2 SLP255 T10331067 |
| 11:05 MST |  Partly Cloudy | -4°C / 25°F | -6°C / 21°F | 86% | 1025 mb (30.27 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KROW 041805Z 20008KT 10SM FEW012 M04/M06 A3028 RMK AO2 |
| 10:51 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1025 mb (30.27 in) | S 19 kph (S 11.5 mph) | - | 10SM |
| | KROW 041751Z 19010KT 10SM BKN012 M04/M07 A3028 RMK AO2 SLP273 60000 T10441067 11044 21067 58009 |
| 10:36 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1026 mb (30.3 in) | SSE 20 kph (SSE 12.7 mph) | - | 10SM |
| | KROW 041736Z 20011KT 10SM BKN012 M04/M07 A3030 RMK AO2 |
| 09:51 MST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb (30.33 in) | SW 11 kph (SW 6.9 mph) | - | 8SM |
| | KROW 041651Z 22006KT 8SM OVC036 M06/M07 A3032 RMK AO2 SLP286 T10561072 |
| 08:51 MST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1027 mb (30.33 in) | S 7 kph (S 4.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KROW 041551Z 19004KT 6SM BR OVC034 M06/M07 A3032 RMK AO2 SNE44 SLP286 P0000 T10561072 |
| 07:51 MST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1026 mb (30.3 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KROW 041451Z 23003KT 5SM -SN BR OVC030 M06/M08 A3031 RMK AO2 SNB41 SLP283 P0000 60000 T10611078 51009 |
| 07:32 MST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1026 mb (30.3 in) | Calm | - | 7SM |
| | KROW 041432Z 00000KT 7SM OVC030 M06/M08 A3031 RMK AO2 |
| 06:51 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1026 mb (30.3 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KROW 041351Z 31003KT 10SM SCT013 OVC028 M07/M08 A3031 RMK AO2 SLP284 T10671083 |
| 05:51 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1026 mb (30.3 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KROW 041251Z 02004KT 10SM OVC028 M07/M08 A3030 RMK AO2 SLP279 T10671083 |
| 04:51 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KROW 041151Z AUTO 01004KT 10SM OVC028 M07/M08 A3028 RMK AO2 SLP273 60001 70021 T10671083 11050 21083 53001 |
| 04:44 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KROW 041144Z AUTO 01005KT 10SM OVC030 M07/M08 A3028 RMK AO2 |
| 03:51 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KROW 041051Z AUTO 36004KT 10SM OVC028 M07/M08 A3028 RMK AO2 SNE15 SLP271 P0000 T10671083 |
| 03:43 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KROW 041043Z AUTO 01005KT 10SM OVC030 M07/M08 A3028 RMK AO2 SNE15 P0000 |
| 03:32 MST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | NNE 9 kph (NNE 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KROW 041032Z AUTO 02005KT 10SM OVC028 M07/M08 A3028 RMK AO2 SNE15 P0000 |
| 02:51 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1025 mb (30.27 in) | NNE 7 kph (NNE 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KROW 040951Z AUTO 02004KT 4SM -SN BR BKN034 OVC044 M08/M09 A3028 RMK AO2 SNE27B47 SLP274 P0000 T10831094 |
| 01:51 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 4SM |
| | KROW 040851Z AUTO 01008KT 4SM -SN BR SCT027 BKN038 OVC100 M06/M07 A3028 RMK AO2 SLP270 P0000 60001 T10611072 53008 |
| 01:42 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KROW 040842Z AUTO 01008KT 3SM -SN BR BKN025 BKN038 OVC080 M06/M07 A3028 RMK AO2 P0000 |
| 01:17 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KROW 040817Z AUTO 01008KT 2SM -SN BR OVC023 M06/M07 A3027 RMK AO2 P0000 |
| 01:07 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KROW 040807Z AUTO 01008KT 1 1/2SM -SN BR OVC019 M06/M07 A3027 RMK AO2 P0000 |
| 00:51 MST |  Obscured Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | 0.25 mm (0.01 in) | 1SM |
| | KROW 040751Z AUTO 01007KT 1SM -SN BR VV010 M06/M07 A3027 RMK AO2 SLP265 P0001 T10561067 |
| 00:49 MST |  Obscured Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.25 mm (0.01 in) | 1SM |
| | KROW 040749Z AUTO 36006KT 1SM -SN BR VV011 M06/M07 A3027 RMK AO2 P0001 |
| 00:38 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KROW 040738Z AUTO 36007KT 1 1/4SM -SN BR OVC019 M06/M07 A3027 RMK AO2 P0000 |
| 00:29 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KROW 040729Z AUTO 36006KT 2SM -SN BR OVC025 M06/M07 A3027 RMK AO2 P0000 |
| 00:02 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KROW 040702Z AUTO 01006KT 3SM -SN BR OVC031 M05/M06 A3026 RMK AO2 P0000 |