| 02:18 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -5°C / 23°F | 86% | 1004 mb (29.65 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KAFF 230918Z AUTO 35012KT 10SM UP FEW007 SCT029 M03/M05 A2966 RMK AO2 DZB0908E0913 FEW V SCT SLP055 |
| 02:05 MST |  Overcast Unknown Precip | -3°C / 27°F | -4°C / 25°F | 93% | 1004 mb (29.65 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KAFF 230905Z AUTO 35011KT 10SM UP OVC021 M03/M04 A2966 RMK AO2 SLP055 |
| 01:58 MST |  Overcast Unknown Precip | -3°C / 27°F | -4°C / 25°F | 93% | 1004 mb (29.65 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KAFF 230858Z AUTO 36009KT 10SM UP OVC015 M03/M04 A2966 RMK AO2 SLP056 |
| 01:55 MST |  Overcast Unknown Precip | -3°C / 27°F | -3°C / 27°F | 100% | 1005 mb (29.68 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KAFF 230855Z AUTO 35009KT 9SM UP OVC013 M03/M03 A2967 RMK AO2 UPB0848SNE0848 SLP056 P0000 60000 T10251035 55000 |
| 01:47 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | NNW 6 kph (NNW 3.5 mph) | - | 5SM |
| | KAFF 230847Z AUTO 34003KT 5SM -SN BR OVC010 M02/M03 A2967 RMK AO2 SLP057 |
| 01:39 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | Calm | - | 3SM |
| | KAFF 230839Z AUTO 00000KT 3SM -SN BR OVC010 M02/M03 A2967 RMK AO2 SLP057 |
| 01:32 MST |  Overcast Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1004 mb (29.65 in) | Variable 7 kph (Variable 4.6 mph) | - | 3SM |
| | KAFF 230832Z AUTO VRB04KT 3SM -SN BR OVC012 M03/M03 A2966 RMK AO2 SLP056 |
| 01:25 MST |  Overcast Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1004 mb (29.65 in) | Calm | - | 2 1/2SM |
| | KAFF 230825Z AUTO 00000KT 2 1/2SM -SN BR OVC014 M03/M03 A2966 RMK AO2 SLP055 |
| 01:22 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230822Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP055 |
| 01:11 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230811Z AUTO 00000KT 3SM -SN BR OVC016 M02/M03 A2966 RMK AO2 SLP054 |
| 01:08 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230808Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP054 |
| 01:06 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230806Z AUTO 00000KT 3SM -SN BR OVC015 M02/M03 A2966 RMK AO2 SLP054 |
| 00:55 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KAFF 230755Z AUTO 00000KT 3SM -SN BR OVC012 M02/M03 A2966 RMK AO2 SLP055 P0000 T10241025 |
| 00:21 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230721Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP055 |
| 00:13 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 2SM |
| | KAFF 230713Z AUTO 00000KT 2SM -SN BR OVC012 M02/M03 A2966 RMK AO2 SLP055 |
| 00:08 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 2SM |
| | KAFF 230708Z AUTO 00000KT 2SM -SN BR OVC010 M02/M03 A2966 RMK AO2 SLP055 |