| 10:54 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1010 mb (29.83 in) | WNW 15 kph (WNW 9.2 mph) | - | 1/4SM |
| | KLWT 221754Z AUTO 29008KT 1/4SM FZFG VV001 M07/M07 A2982 RMK AO2 SLP133 T10671072 11061 21067 51017 |
| 09:54 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1009 mb (29.8 in) | WNW 15 kph (WNW 9.2 mph) | - | M1/4SM |
| | KLWT 221654Z AUTO 29008KT M1/4SM FZFG VV001 M07/M07 A2981 RMK AO2 SLP128 T10671072 |
| 09:37 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1009 mb (29.8 in) | W 7 kph (W 4.6 mph) | - | 1/4SM |
| | KLWT 221637Z AUTO 28004KT 1/4SM FZFG VV001 M07/M07 A2981 RMK AO2 |
| 09:25 MST |  Overcast Fog And Mist | -7°C / 19°F | -7°C / 19°F | 100% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | - | 3/4SM |
| | KLWT 221625Z AUTO 30007KT 3/4SM BR OVC001 M07/M07 A2980 RMK AO2 |
| 09:04 MST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | - | 2SM |
| | KLWT 221604Z AUTO 30009KT 2SM BR OVC001 M07/M08 A2979 RMK AO2 |
| 08:54 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1009 mb (29.8 in) | NW 15 kph (NW 9.2 mph) | - | 1/2SM |
| | KLWT 221554Z AUTO 30008KT 1/2SM FZFG VV001 M07/M07 A2979 RMK AO2 SLP119 T10671072 |
| 07:54 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1008 mb (29.77 in) | W 13 kph (W 8.1 mph) | - | 1/4SM |
| | KLWT 221454Z AUTO 28007KT 1/4SM FZFG VV001 M07/M07 A2977 RMK AO2 SLP112 T10671072 51015 |
| 06:54 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1008 mb (29.77 in) | W 9 kph (W 5.8 mph) | - | 1/4SM |
| | KLWT 221354Z AUTO 27005KT 1/4SM FZFG VV001 M06/M07 A2976 RMK AO2 SLP106 T10611072 |
| 05:54 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | WNW 9 kph (WNW 5.8 mph) | - | 1/4SM |
| | KLWT 221254Z AUTO 29005KT 1/4SM FZFG VV001 M06/M07 A2974 RMK AO2 SLP099 T10611067 |
| 04:54 MST |  Obscured Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1006 mb (29.71 in) | SSW 20 kph (SSW 12.7 mph) | - | 1/4SM |
| | KLWT 221154Z AUTO 26011KT 1/4SM FZFG VV001 M07/M07 A2972 RMK AO2 SLP092 70010 T10671072 10028 21067 53016 |
| 04:10 MST |  Obscured Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1005 mb (29.68 in) | W 20 kph (W 12.7 mph) | - | 1/4SM |
| | KLWT 221110Z AUTO 27011KT 1/4SM FZFG VV001 M06/M07 A2969 RMK AO2 |
| 04:02 MST |  Mostly Cloudy Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1005 mb (29.68 in) | W 19 kph (W 11.5 mph) | - | 1/2SM |
| | KLWT 221102Z AUTO 27010KT 1/2SM FZFG SCT001 BKN007 M06/M07 A2968 RMK AO2 |
| 03:56 MST |  Partly Cloudy Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1005 mb (29.68 in) | W 15 kph (W 9.2 mph) | - | 1 1/2SM |
| | KLWT 221056Z AUTO 27008KT 1 1/2SM BR FEW001 M06/M07 A2968 RMK AO2 |
| 03:54 MST |  Clear Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1005 mb (29.68 in) | W 13 kph (W 8.1 mph) | - | 3SM |
| | KLWT 221054Z AUTO 27007KT 3SM BR CLR M06/M07 A2968 RMK AO2 SLP079 T10561067 |
| 02:54 MST |  Mostly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1005 mb (29.68 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KLWT 220954Z AUTO 12003KT 10SM BKN100 00/M03 A2967 RMK AO2 SLP063 T00001028 |
| 01:54 MST |  Partly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1004 mb (29.65 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KLWT 220854Z AUTO 13005KT 10SM SCT120 01/M03 A2966 RMK AO2 SLP055 T00111028 55003 |
| 00:54 MST |  Partly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1004 mb (29.65 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KLWT 220754Z AUTO 13004KT 10SM FEW120 02/M03 A2966 RMK AO2 SLP053 T00171028 |