| 11:53 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1017 mb (30.03 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KCAG 251853Z AUTO 23003KT 10SM SCT039 OVC080 M12/M16 A3002 RMK AO2 SLP277 T11221161 FZRANO |
| 10:53 MST |  Mostly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1018 mb (30.06 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KCAG 251753Z AUTO 28004KT 10SM SCT041 BKN075 M15/M18 A3005 RMK AO2 SLP286 T11501178 11150 21244 53004 FZRANO |
| 09:53 MST |  Mostly Cloudy | -17°C / 1°F | -19°C / -2°F | 85% | 1017 mb (30.03 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KCAG 251653Z AUTO 28006KT 10SM FEW015 BKN075 M17/M19 A3004 RMK AO2 SLP292 T11721194 FZRANO |
| 09:37 MST |  Mostly Cloudy | -19°C / -2°F | -22°C / -8°F | 77% | 1017 mb (30.03 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KCAG 251637Z AUTO 28003KT 10SM SCT015 SCT020 BKN080 M19/M22 A3004 RMK AO2 FZRANO |
| 09:30 MST |  Overcast | -21°C / -6°F | -22°C / -8°F | 92% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KCAG 251630Z AUTO 00000KT 10SM BKN015 BKN019 OVC080 M21/M22 A3004 RMK AO2 FZRANO |
| 08:53 MST |  Overcast | -21°C / -6°F | -23°C / -9°F | 84% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KCAG 251553Z AUTO 00000KT 10SM OVC028 M21/M23 A3003 RMK AO2 SLP297 T12111233 FZRANO |
| 08:48 MST |  Overcast | -22°C / -8°F | -24°C / -11°F | 84% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KCAG 251548Z AUTO 00000KT 10SM OVC028 M22/M24 A3003 RMK AO2 FZRANO |
| 07:53 MST |  Mostly Cloudy | -23°C / -9°F | -24°C / -11°F | 92% | 1016 mb (30 in) | Calm | - | 10SM |
| | KCAG 251453Z AUTO 00000KT 10SM BKN030 BKN100 M23/M24 A3001 RMK AO2 SLP295 T12281244 53005 FZRANO |
| 06:53 MST |  Overcast | -22°C / -8°F | -24°C / -11°F | 84% | 1016 mb (30 in) | Calm | - | 10SM |
| | KCAG 251353Z AUTO 00000KT 10SM FEW034 OVC110 M22/M24 A3000 RMK AO2 SLP284 T12171239 FZRANO |
| 05:53 MST |  Overcast | -22°C / -8°F | -25°C / -13°F | 77% | 1016 mb (30 in) | Calm | - | 10SM |
| | KCAG 251253Z AUTO 00000KT 10SM OVC110 M22/M25 A3000 RMK AO2 SLP289 T12221250 FZRANO |
| 04:53 MST |  Partly Cloudy | -22°C / -8°F | -24°C / -11°F | 84% | 1016 mb (30 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KCAG 251153Z AUTO 13004KT 10SM FEW030 M22/M24 A2999 RMK AO2 SLP282 T12221244 11183 21239 58004 FZRANO |
| 03:53 MST |  Overcast | -22°C / -8°F | -25°C / -13°F | 77% | 1016 mb (30 in) | Calm | - | 10SM |
| | KCAG 251053Z AUTO 00000KT 10SM FEW030 OVC036 M22/M25 A3000 RMK AO2 SLP277 T12221250 FZRANO |
| 02:53 MST |  Overcast | -24°C / -11°F | -26°C / -15°F | 84% | 1016 mb (30 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KCAG 250953Z AUTO 13003KT 10SM OVC043 M24/M26 A3001 RMK AO2 SLP275 T12391261 FZRANO |
| 01:53 MST |  Partly Cloudy | -22°C / -8°F | -24°C / -11°F | 84% | 1016 mb (30 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KCAG 250853Z AUTO VRB03KT 10SM FEW048 M22/M24 A3001 RMK AO2 SLP272 T12221239 56005 FZRANO |
| 00:53 MST |  Partly Cloudy | -21°C / -6°F | -23°C / -9°F | 84% | 1016 mb (30 in) | Calm | - | 10SM |
| | KCAG 250753Z AUTO 00000KT 10SM SCT048 M21/M23 A3001 RMK AO2 SLP272 T12111233 FZRANO |