| 05:55 MST |  Clear | -21°C / -6°F | -23°C / -9°F | 84% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPHP 111255Z AUTO 00000KT 10SM CLR M21/M23 A2996 RMK AO2 SLP188 T12061233 TSNO |
| 04:55 MST |  Clear | -21°C / -6°F | -23°C / -9°F | 84% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KPHP 111155Z AUTO 00000KT 10SM CLR M21/M23 A2995 RMK AO2 SLP187 T12061228 11150 21222 55006 TSNO |
| 03:55 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1014 mb (29.94 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KPHP 111055Z AUTO 29005KT 10SM CLR M19/M22 A2994 RMK AO2 SLP180 T11891217 TSNO |
| 02:55 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1015 mb (29.97 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KPHP 110955Z AUTO 27004KT 10SM CLR M19/M22 A2996 RMK AO2 SLP184 T11941222 TSNO |
| 01:55 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1015 mb (29.97 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KPHP 110855Z AUTO 27007KT 10SM CLR M18/M21 A2996 RMK AO2 SLP185 T11781211 58002 TSNO |
| 00:55 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1015 mb (29.97 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KPHP 110755Z AUTO 27003KT 10SM CLR M19/M22 A2998 RMK AO2 SLP192 T11941222 TSNO |