| 07:53 MST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1005 mb (29.68 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KRIW 221453Z AUTO 05005KT 10SM CLR M06/M09 A2969 RMK AO2 SLP075 T10561094 51000 $ |
| 06:53 MST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | KRIW 221353Z AUTO 00000KT 10SM CLR M04/M09 A2969 RMK AO2 SLP078 T10391089 $ |
| 05:53 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1005 mb (29.68 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KRIW 221253Z AUTO 18004KT 10SM CLR M03/M09 A2969 RMK AO2 SLP068 T10331089 $ |
| 04:53 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1005 mb (29.68 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KRIW 221153Z AUTO 15008KT 10SM CLR M03/M08 A2969 RMK AO2 SLP067 7//// T10281083 10006 21044 58014 $ |
| 03:53 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1006 mb (29.71 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KRIW 221053Z AUTO 09006KT 10SM CLR M04/M08 A2972 RMK AO2 SLP075 T10391078 $ |
| 02:53 MST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KRIW 220953Z AUTO 07005KT 10SM FEW120 M04/M08 A2973 RMK AO2 SLP071 T10391078 $ |
| 01:53 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KRIW 220853Z AUTO 00000KT 10SM CLR M02/M08 A2974 RMK AO2 SLP068 T10171078 56013 $ |
| 00:53 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1007 mb (29.74 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KRIW 220753Z AUTO 06003KT 10SM CLR M03/M08 A2974 RMK AO2 SLP078 T10331078 $ |