| 11:34 MST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KCAO 231834Z AUTO 35015KT 10SM FEW012 BKN055 BKN070 M01/M04 A2971 RMK AO2 TSNO |
| 11:03 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1006 mb (29.71 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KCAO 231803Z AUTO 36013KT 10SM SCT006 OVC010 M01/M03 A2972 RMK AO2 CIG 008V013 TSNO |
| 10:55 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1007 mb (29.74 in) | N 26 kph (N 16.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KCAO 231755Z AUTO 36014KT 10SM BKN005 OVC010 M01/M03 A2973 RMK AO2 SNE20 CIG 004V009 SLP078 P0000 60000 T10111028 11011 21022 58005 TSNO |
| 10:18 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 4SM |
| | KCAO 231718Z AUTO 01011KT 4SM -SN BR OVC005 M02/M03 A2975 RMK AO2 CIG 003V008 P0000 TSNO |
| 09:55 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | N 19 kph (N 11.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KCAO 231655Z AUTO 01010KT 4SM -SN BR OVC003 M02/M03 A2975 RMK AO2 SNB26 CIG 003V008 SLP088 P0000 T10221033 TSNO |
| 08:55 MST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KCAO 231555Z AUTO 02007KT 3SM BR OVC001 M02/M03 A2974 RMK AO2 SNB21E37 SLP082 P0000 T10171028 TSNO |
| 08:53 MST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KCAO 231553Z AUTO 02006KT 3SM BR OVC001 M02/M03 A2974 RMK AO2 SNB21E37 P0000 TSNO |
| 08:44 MST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KCAO 231544Z AUTO 01006KT 2 1/2SM BR OVC001 M02/M03 A2974 RMK AO2 SNB21E37 P0000 TSNO |
| 08:34 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCAO 231534Z AUTO 00000KT 1 1/2SM -SN BR OVC001 M02/M03 A2975 RMK AO2 SNB21 P0000 TSNO |
| 07:55 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1006 mb (29.71 in) | NE 9 kph (NE 5.8 mph) | - | 1/2SM |
| | KCAO 231455Z AUTO 05005KT 1/2SM FZFG VV001 M02/M03 A2972 RMK AO2 SLP076 T10221028 53013 TSNO |
| 07:46 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1006 mb (29.71 in) | NE 13 kph (NE 8.1 mph) | - | 1/4SM |
| | KCAO 231446Z AUTO 04007KT 1/4SM FZFG VV001 M02/M03 A2972 RMK AO2 TSNO |
| 06:55 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1006 mb (29.71 in) | NNE 9 kph (NNE 5.8 mph) | - | 1/2SM |
| | KCAO 231355Z AUTO 02005KT 1/2SM FZFG VV001 M02/M02 A2971 RMK AO2 SLP066 T10171022 TSNO |
| 06:46 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1006 mb (29.71 in) | NNE 9 kph (NNE 5.8 mph) | - | 1/4SM |
| | KCAO 231346Z AUTO 02005KT 1/4SM FZFG VV001 M02/M03 A2970 RMK AO2 TSNO |
| 06:04 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | NE 7 kph (NE 4.6 mph) | - | 1/2SM |
| | KCAO 231304Z AUTO 03004KT 1/2SM FZFG VV001 M02/M03 A2969 RMK AO2 TSNO |
| 05:55 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | NE 7 kph (NE 4.6 mph) | - | 1/4SM |
| | KCAO 231255Z AUTO 03004KT 1/4SM FZFG VV001 M02/M02 A2969 RMK AO2 SLP058 T10171022 TSNO |
| 05:21 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | Calm | - | 1/4SM |
| | KCAO 231221Z AUTO 00000KT 1/4SM FZFG VV001 M02/M03 A2968 RMK AO2 TSNO |
| 05:14 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | Calm | - | 1/2SM |
| | KCAO 231214Z AUTO 00000KT 1/2SM FZFG VV001 M02/M03 A2968 RMK AO2 TSNO |
| 04:55 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | Calm | - | 1/4SM |
| | KCAO 231155Z AUTO 00000KT 1/4SM FZFG VV001 M02/M02 A2967 RMK AO2 SLP054 T10221022 10000 21022 55000 TSNO |
| 03:55 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | Calm | - | 1/4SM |
| | KCAO 231055Z AUTO 00000KT 1/4SM FZFG VV001 M02/M03 A2967 RMK AO2 SLP049 T10221028 TSNO |
| 02:55 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 1/4SM |
| | KCAO 230955Z AUTO 00000KT 1/4SM FZFG VV001 M02/M03 A2966 RMK AO2 SLP044 T10171028 TSNO |
| 02:28 MST |  Obscured Fog | -2°C / 28°F | -2°C / 28°F | 100% | 1005 mb (29.68 in) | ESE 6 kph (ESE 3.5 mph) | - | 1/4SM |
| | KCAO 230928Z AUTO 11003KT 1/4SM FZFG VV001 M02/M02 A2967 RMK AO2 TSNO |
| 02:09 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1005 mb (29.68 in) | ESE 6 kph (ESE 3.5 mph) | - | 3/4SM |
| | KCAO 230909Z AUTO 11003KT 3/4SM BR OVC002 M01/M02 A2967 RMK AO2 TSNO |
| 01:58 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1005 mb (29.68 in) | SE 6 kph (SE 3.5 mph) | - | 1 1/4SM |
| | KCAO 230858Z AUTO 12003KT 1 1/4SM BR OVC002 M01/M02 A2967 RMK AO2 VIS 1/2V4 TSNO |
| 01:55 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1005 mb (29.68 in) | SE 6 kph (SE 3.5 mph) | - | 2 1/2SM |
| | KCAO 230855Z AUTO 12003KT 2 1/2SM BR OVC002 M01/M02 A2967 RMK AO2 VIS 1 1/4V5 SLP046 T10111022 58002 TSNO |
| 01:30 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1005 mb (29.68 in) | SE 6 kph (SE 3.5 mph) | - | 2 1/2SM |
| | KCAO 230830Z AUTO 13003KT 2 1/2SM BR OVC002 M01/M02 A2968 RMK AO2 VIS 1 3/4V4 TSNO |
| 00:55 MST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1006 mb (29.71 in) | SSE 7 kph (SSE 4.6 mph) | - | 6SM |
| | KCAO 230755Z AUTO 16004KT 6SM BR OVC004 M01/M03 A2970 RMK AO2 SLP052 T10061028 TSNO |
| 00:03 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1005 mb (29.68 in) | E 7 kph (E 4.6 mph) | - | 9SM |
| | KCAO 230703Z AUTO 10004KT 9SM OVC004 M01/M03 A2968 RMK AO2 TSNO |