| 05:53 MST |  Overcast | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | SSW 13 kph (SSW 8.1 mph) | - | 7SM |
| | KPIH 291253Z AUTO 25007KT 7SM OVC005 M04/M05 A3027 RMK AO2 SLP281 T10391050 |
| 04:53 MST |  Overcast | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 8SM |
| | KPIH 291153Z AUTO 21003KT 8SM OVC005 M04/M05 A3028 RMK AO2 SLP274 T10391050 11028 21061 53008 |
| 03:53 MST |  Mostly Cloudy | -5°C / 23°F | -6°C / 21°F | 93% | 1025 mb (30.27 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KPIH 291053Z AUTO 20003KT 10SM BKN007 M05/M06 A3027 RMK AO2 SLP267 T10501061 |
| 02:53 MST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPIH 290953Z AUTO 21007KT 10SM OVC007 M03/M04 A3026 RMK AO2 SLP260 T10281044 |
| 01:53 MST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1024 mb (30.24 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPIH 290853Z AUTO 21007KT 10SM OVC007 M03/M04 A3025 RMK AO2 SLP258 T10281044 51006 |
| 00:53 MST |  Overcast | -3°C / 27°F | -4°C / 25°F | 93% | 1024 mb (30.24 in) | SW 22 kph (SW 13.8 mph) | - | 10SM |
| | KPIH 290753Z AUTO 23012KT 10SM OVC007 M03/M04 A3025 RMK AO2 SLP258 T10331044 |