| 05:51 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1001 mb (29.56 in) | S 35 kph (S 21.9 mph) | - | 1/2SM |
| | KROW 081251Z 17019G23KT 1/2SM FZFG VV001 M02/M02 A2956 RMK AO2 SLP010 T10171017 |
| 04:51 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1002 mb (29.59 in) | SSE 28 kph (SSE 17.3 mph) | - | 1/2SM |
| | KROW 081151Z AUTO 16015KT 1/2SM FZFG VV001 M02/M02 A2960 RMK AO2 SLP025 7//// T10171022 11011 21017 58017 |
| 04:41 MST |  Obscured Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1003 mb (29.62 in) | S 24 kph (S 15 mph) | - | 3/4SM |
| | KROW 081141Z AUTO 17013KT 3/4SM BR VV001 M02/M02 A2961 RMK AO2 |
| 04:32 MST |  Obscured Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1003 mb (29.62 in) | SSE 19 kph (SSE 11.5 mph) | - | 1SM |
| | KROW 081132Z AUTO 16010KT 1SM BR VV001 M02/M02 A2961 RMK AO2 |
| 04:14 MST |  Obscured Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1003 mb (29.62 in) | SSE 32 kph (SSE 19.6 mph) | - | 3/4SM |
| | KROW 081114Z AUTO 16017G21KT 3/4SM BR VV001 M02/M02 A2961 RMK AO2 |
| 03:51 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1003 mb (29.62 in) | SSE 20 kph (SSE 12.7 mph) | - | 1 3/4SM |
| | KROW 081051Z AUTO 15011KT 1 3/4SM BR OVC001 M02/M02 A2963 RMK AO2 SLP035 T10171017 |
| 03:06 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1004 mb (29.65 in) | S 32 kph (S 19.6 mph) | - | 1 1/4SM |
| | KROW 081006Z AUTO 17017KT 1 1/4SM BR OVC001 M02/M02 A2965 RMK AO2 |
| 02:51 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1004 mb (29.65 in) | SSE 32 kph (SSE 19.6 mph) | - | 2 1/2SM |
| | KROW 080951Z AUTO 16017G22KT 2 1/2SM BR OVC001 M02/M02 A2965 RMK AO2 SLP044 T10171022 |
| 01:51 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | SSE 26 kph (SSE 16.1 mph) | - | 1 1/4SM |
| | KROW 080851Z AUTO 16014G24KT 1 1/4SM BR OVC001 M02/M02 A2968 RMK AO2 SLP053 T10171022 58038 |
| 01:41 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | SSE 28 kph (SSE 17.3 mph) | - | 2SM |
| | KROW 080841Z AUTO 16015KT 2SM BR OVC003 M02/M02 A2969 RMK AO2 |
| 01:21 MST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | S 33 kph (S 20.7 mph) | - | 5SM |
| | KROW 080821Z AUTO 17018KT 5SM BR OVC003 M02/M02 A2968 RMK AO2 PRESFR |
| 00:51 MST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1006 mb (29.71 in) | S 26 kph (S 16.1 mph) | - | 8SM |
| | KROW 080751Z AUTO 17014KT 8SM OVC005 M01/M02 A2972 RMK AO2 CIG 002V007 PRESFR SLP066 T10111022 |