| 06:57 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | Calm | - | 1SM |
| | K3MW 291357Z AUTO 00000KT 1SM -SN OVC001 M05/M06 A3007 RMK AO2 |
| 06:37 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | Calm | - | 1 3/4SM |
| | K3MW 291337Z AUTO 00000KT 1 3/4SM -SN OVC001 M05/M06 A3007 RMK AO2 |
| 06:17 MST |  Overcast Light Snow | -5°C / 23°F | -5°C / 23°F | 100% | 1018 mb (30.06 in) | Calm | - | 1 1/4SM |
| | K3MW 291317Z AUTO 00000KT 1 1/4SM -SN OVC001 M05/M05 A3007 RMK AO2 |
| 05:57 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 1 1/2SM |
| | K3MW 291257Z AUTO 00000KT 1 1/2SM BR OVC001 M04/M05 A3006 RMK AO2 |
| 05:37 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 1 1/4SM |
| | K3MW 291237Z AUTO 00000KT 1 1/4SM BR OVC001 M04/M05 A3005 RMK AO2 |
| 05:17 MST |  Overcast Fog | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 1/2SM |
| | K3MW 291217Z AUTO 00000KT 1/2SM FZFG OVC001 M04/M05 A3005 RMK AO2 |
| 04:57 MST |  Overcast Light Snow | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 1 1/4SM |
| | K3MW 291157Z AUTO 00000KT 1 1/4SM -SN OVC001 M04/M05 A3005 RMK AO2 |
| 04:37 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | K3MW 291137Z AUTO 00000KT 4SM BR OVC001 M04/M05 A3005 RMK AO2 |
| 04:17 MST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | Calm | - | 4SM |
| | K3MW 291117Z AUTO 00000KT 4SM BR OVC001 M05/M06 A3005 RMK AO2 |
| 03:57 MST |  Partly Cloudy | -5°C / 23°F | -5°C / 23°F | 100% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K3MW 291057Z AUTO 00000KT 10SM SCT001 M05/M05 A3005 RMK AO2 |
| 03:37 MST |  Clear | -5°C / 23°F | -5°C / 23°F | 100% | 1018 mb (30.06 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | K3MW 291037Z AUTO 34004KT 10SM CLR M05/M05 A3005 RMK AO2 |
| 03:17 MST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K3MW 291017Z AUTO 00000KT 10SM CLR M03/M05 A3005 RMK AO2 LTG DSNT S |
| 02:57 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | K3MW 290957Z AUTO 34003KT 10SM CLR M03/M06 A3004 RMK AO2 |
| 02:37 MST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | K3MW 290937Z AUTO 36003KT 10SM CLR M04/M05 A3004 RMK AO2 |
| 02:17 MST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K3MW 290917Z AUTO 00000KT 10SM CLR M04/M05 A3005 RMK AO2 LTG DSNT S |
| 01:57 MST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | K3MW 290857Z AUTO 34003KT 10SM CLR M03/M05 A3005 RMK AO2 |
| 01:35 MST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | K3MW 290835Z AUTO 33003KT 10SM SCT001 M03/M04 A3005 RMK AO2 |
| 01:17 MST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | K3MW 290817Z AUTO 00000KT 10SM BKN001 M03/M04 A3005 RMK AO2 |
| 00:48 MST |  Partly Cloudy Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | Calm | - | 7SM |
| | K3MW 290748Z AUTO 00000KT 7SM -SN SCT003 SCT006 SCT013 M03/M04 A3006 RMK AO2 |
| 00:11 MST |  Overcast Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1018 mb (30.06 in) | Calm | - | 5SM |
| | K3MW 290711Z AUTO 00000KT 5SM -SN OVC006 M03/M03 A3006 RMK AO2 |