| 11:53 MST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1016 mb (30 in) | NW 6 kph (NW 3.5 mph) | - | 8SM |
| | KMSO 151853Z 30003KT 8SM OVC048 M02/M04 A3001 RMK AO2 SLP201 T10221039 |
| 10:53 MST |  Mostly Cloudy Fog And Mist | -3°C / 27°F | -5°C / 23°F | 86% | 1016 mb (30 in) | Calm | - | 5SM |
| | KMSO 151753Z 00000KT 5SM BR BKN050 M03/M05 A3001 RMK AO2 SLP202 60001 T10331050 11033 21056 51009 |
| 09:53 MST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | Calm | 0.25 mm (0.01 in) | 4SM |
| | KMSO 151653Z 00000KT 4SM BR FEW020 SCT060 M04/M06 A3000 RMK AO2 SNE37 SLP198 P0001 T10441056 |
| 09:24 MST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | Calm | 0.25 mm (0.01 in) | 3SM |
| | KMSO 151624Z 00000KT 3SM BR SCT020 BKN041 BKN100 M04/M06 A3000 RMK AO2 SNE22 P0001 |
| 09:10 MST |  Mostly Cloudy Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | Calm | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMSO 151610Z 00000KT 2 1/2SM -SN BR SCT020 BKN034 BKN095 M04/M06 A2999 RMK AO2 P0001 |
| 08:53 MST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KMSO 151553Z 00000KT 2SM -SN BR BKN022 BKN042 OVC095 M04/M06 A2999 RMK AO2 SNB13 SLP197 P0000 T10441056 |
| 08:30 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1015 mb (29.97 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMSO 151530Z 00000KT 2 1/2SM -SN BR BKN028 OVC044 M05/M06 A2998 RMK AO2 SNB13 P0000 |
| 08:04 MST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1015 mb (29.97 in) | Calm | - | 4SM |
| | KMSO 151504Z 00000KT 4SM BR BKN032 OVC044 M05/M06 A2997 RMK AO2 |
| 07:53 MST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1015 mb (29.97 in) | Calm | - | 5SM |
| | KMSO 151453Z 00000KT 5SM BR BKN037 OVC046 M05/M06 A2998 RMK AO2 SLP191 T10501061 53006 |
| 06:53 MST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1015 mb (29.97 in) | Calm | - | 6SM |
| | KMSO 151353Z 00000KT 6SM BR OVC060 M06/M06 A2996 RMK AO2 SLP185 T10561061 |
| 05:53 MST |  Overcast | -5°C / 23°F | -6°C / 21°F | 93% | 1014 mb (29.94 in) | Variable 6 kph (Variable 3.5 mph) | - | 7SM |
| | KMSO 151253Z VRB03KT 7SM OVC046 M05/M06 A2995 RMK AO2 SLP181 T10501061 |
| 04:53 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1015 mb (29.97 in) | Calm | - | 8SM |
| | KMSO 151153Z AUTO 00000KT 8SM BKN080 OVC095 M05/M07 A2996 RMK AO2 SLP184 T10501067 11050 21089 58015 |
| 03:53 MST |  Overcast Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1015 mb (29.97 in) | Calm | - | 6SM |
| | KMSO 151053Z AUTO 00000KT 6SM BR BKN070 OVC100 M06/M08 A2998 RMK AO2 SLP191 T10611078 |
| 02:53 MST |  Mostly Cloudy Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1016 mb (30 in) | Calm | - | 6SM |
| | KMSO 150953Z AUTO 00000KT 6SM BR SCT075 SCT090 BKN110 M07/M08 A3000 RMK AO2 SLP199 T10721083 |
| 01:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1016 mb (30 in) | Calm | - | 6SM |
| | KMSO 150853Z AUTO 00000KT 6SM BR FEW065 OVC080 M08/M09 A3000 RMK AO2 SLP205 T10781089 58008 |
| 00:53 MST |  Mostly Cloudy Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1017 mb (30.03 in) | Calm | - | 6SM |
| | KMSO 150753Z AUTO 00000KT 6SM BR BKN100 M07/M08 A3002 RMK AO2 SLP208 T10671078 |