| 09:54 MST |  Clear | 9°C / 48°F | 4°C / 39°F | 71% | 1017 mb (30.03 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KOLS 091654Z AUTO 19003KT 10SM CLR 09/04 A3004 RMK AO2 SLP151 T00940039 |
| 08:54 MST |  Clear | 6°C / 43°F | 4°C / 39°F | 87% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KOLS 091554Z AUTO 00000KT 10SM CLR 06/04 A3004 RMK AO2 SLP151 T00610039 |
| 07:54 MST |  Clear | 4°C / 39°F | 3°C / 37°F | 93% | 1016 mb (30 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KOLS 091454Z AUTO 09003KT 10SM CLR 04/03 A3001 RMK AO2 SLP147 T00390028 51005 |
| 06:54 MST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091354Z AUTO 00000KT 10SM CLR 03/01 A3001 RMK AO2 SLP146 T00280011 |
| 05:54 MST |  Clear | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091254Z AUTO 00000KT 10SM CLR 04/02 A3000 RMK AO2 SLP141 T00390022 |
| 04:54 MST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091154Z AUTO 00000KT 10SM CLR 03/02 A3000 RMK AO2 SLP137 70001 T00330017 10067 20028 55003 |
| 04:18 MST |  Partly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091118Z AUTO 00000KT 10SM SCT024 03/02 A2999 RMK AO2 |
| 03:54 MST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091054Z AUTO 00000KT 10SM BKN024 03/02 A2999 RMK AO2 SLP137 T00330017 |
| 03:14 MST |  Mostly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 091014Z AUTO 00000KT 10SM BKN024 04/02 A3000 RMK AO2 |
| 02:54 MST |  Partly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 090954Z AUTO 00000KT 10SM FEW024 03/02 A3001 RMK AO2 SLP139 T00330017 |
| 02:10 MST |  Partly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 090910Z AUTO 00000KT 10SM SCT024 05/03 A3001 RMK AO2 |
| 01:54 MST |  Mostly Cloudy | 4°C / 39°F | 3°C / 37°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 090854Z AUTO 00000KT 10SM BKN024 04/03 A3001 RMK AO2 SLP139 T00440028 50000 |
| 01:21 MST |  Partly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 090821Z AUTO 00000KT 10SM SCT026 03/02 A3001 RMK AO2 |
| 00:54 MST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Calm | - | 10SM |
| | KOLS 090754Z AUTO 00000KT 10SM FEW028 04/02 A3001 RMK AO2 SLP142 T00390017 |