| 15:53 MST |  Overcast | 0°C / 32°F | -3°C / 27°F | 80% | 1016 mb (30 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KPIH 012253Z 26011KT 10SM OVC013 00/M03 A2999 RMK AO2 SLP184 T00001028 |
| 14:53 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1015 mb (29.97 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KPIH 012153Z 25015G22KT 10SM OVC011 M01/M03 A2998 RMK AO2 SLP185 T10061033 |
| 13:53 MST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1016 mb (30 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KPIH 012053Z 26014KT 10SM OVC017 01/M03 A2999 RMK AO2 SLP181 T00061033 57011 |
| 12:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1016 mb (30 in) | SW 26 kph (SW 16.1 mph) | - | 10SM |
| | KPIH 011953Z 23014G21KT 10SM BKN019 01/M04 A3000 RMK AO2 PK WND 24026/1910 SLP183 T00061039 |
| 11:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1016 mb (30 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KPIH 011853Z 25017G21KT 10SM BKN019 01/M04 A3001 RMK AO2 SLP191 T00061039 |
| 10:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KPIH 011753Z 24011KT 10SM BKN021 01/M04 A3002 RMK AO2 SLP194 T00061039 10011 21067 50001 |
| 09:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KPIH 011653Z 23013KT 10SM BKN029 01/M04 A3003 RMK AO2 SLP192 T00061039 |
| 09:44 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KPIH 011644Z 22013KT 10SM BKN033 01/M04 A3003 RMK AO2 |
| 08:53 MST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1017 mb (30.03 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KPIH 011553Z 21011KT 10SM OVC033 M01/M04 A3003 RMK AO2 SLP192 T10061044 |
| 07:53 MST |  Mostly Cloudy | -1°C / 30°F | -6°C / 21°F | 69% | 1017 mb (30.03 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPIH 011453Z 21007KT 10SM BKN035 M01/M06 A3002 RMK AO2 SLP192 T10111056 53002 |
| 06:53 MST |  Partly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1016 mb (30 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KPIH 011353Z 21007KT 10SM FEW039 M04/M07 A3001 RMK AO2 SLP195 T10441072 |
| 05:53 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1016 mb (30 in) | Calm | - | 10SM |
| | KPIH 011253Z 00000KT 10SM CLR M04/M08 A3001 RMK AO2 SLP190 T10441078 |
| 04:53 MST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1017 mb (30.03 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KPIH 011153Z AUTO 17005KT 10SM CLR M07/M08 A3002 RMK AO2 SLP198 T10671083 11039 21067 57004 |
| 03:53 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1017 mb (30.03 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KPIH 011053Z AUTO 36010KT 10SM CLR M05/M07 A3003 RMK AO2 SLP191 T10501072 |
| 02:53 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KPIH 010953Z AUTO 00000KT 10SM CLR M06/M08 A3002 RMK AO2 SLP187 T10611078 |
| 01:53 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KPIH 010853Z AUTO 00000KT 10SM CLR M05/M07 A3003 RMK AO2 SLP191 T10501067 58013 |
| 00:53 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1018 mb (30.06 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KPIH 010753Z AUTO 05004KT 10SM CLR M04/M07 A3005 RMK AO2 SLP198 T10441067 |