| 05:53 MST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1004 mb (29.65 in) | Calm | - | 10SM |
| | KPIH 221253Z 00000KT 10SM BKN080 BKN110 M01/M04 A2965 RMK AO2 SLP049 T10111044 |
| 04:53 MST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | KPIH 221153Z AUTO 00000KT 10SM BKN100 M01/M04 A2967 RMK AO2 SLP055 T10061044 10033 21028 58014 |
| 03:53 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1005 mb (29.68 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KPIH 221053Z AUTO 35003KT 10SM OVC070 M01/M03 A2969 RMK AO2 SLP063 T10061033 |
| 02:53 MST |  Overcast | 1°C / 34°F | -6°C / 21°F | 60% | 1006 mb (29.71 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KPIH 220953Z AUTO 06006KT 10SM OVC100 01/M06 A2971 RMK AO2 SLP063 T00061056 |
| 01:53 MST |  Overcast | 1°C / 34°F | -5°C / 23°F | 65% | 1006 mb (29.71 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPIH 220853Z AUTO 18005KT 10SM OVC095 01/M05 A2972 RMK AO2 SLP063 T00111050 55006 |
| 00:53 MST |  Mostly Cloudy | 2°C / 36°F | -6°C / 21°F | 56% | 1006 mb (29.71 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KPIH 220753Z AUTO 25007KT 10SM SCT080 BKN110 02/M06 A2971 RMK AO2 SLP062 T00221061 |