| 15:53 MST |  Clear | -5°C / 23°F | -15°C / 5°F | 46% | 1013 mb (29.91 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KRXE 042253Z AUTO 07005KT 10SM CLR M05/M15 A2992 RMK AO2 SLP200 T10501150 |
| 14:53 MST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1014 mb (29.94 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KRXE 042153Z AUTO 09005KT 10SM CLR M06/M16 A2994 RMK AO2 SLP213 T10561156 |
| 13:53 MST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1015 mb (29.97 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KRXE 042053Z AUTO 05005KT 10SM CLR M06/M16 A2998 RMK AO2 SLP225 T10561156 58046 |
| 12:53 MST |  Clear | -7°C / 19°F | -15°C / 5°F | 53% | 1017 mb (30.03 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KRXE 041953Z AUTO 09004KT 10SM CLR M07/M15 A3003 RMK AO2 PRESFR SLP248 T10671150 |
| 11:53 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1019 mb (30.09 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KRXE 041853Z AUTO 07004KT 10SM CLR M08/M15 A3010 RMK AO2 SLP273 T10781150 |
| 10:53 MST |  Clear | -9°C / 16°F | -16°C / 3°F | 57% | 1020 mb (30.12 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KRXE 041753Z AUTO 06004KT 10SM CLR M09/M16 A3013 RMK AO2 SLP291 T10941156 11094 21172 58012 |
| 09:53 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1021 mb (30.15 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KRXE 041653Z AUTO 08003KT 10SM CLR M12/M16 A3016 RMK AO2 SLP298 T11171161 |
| 08:53 MST |  Partly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KRXE 041553Z AUTO 07003KT 10SM FEW120 M13/M17 A3018 RMK AO2 SLP311 T11281167 |
| 07:53 MST |  Partly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1022 mb (30.18 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KRXE 041453Z AUTO 05003KT 10SM FEW110 M14/M18 A3017 RMK AO2 SLP309 T11441178 56014 |
| 06:53 MST |  Mostly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KRXE 041353Z AUTO 09003KT 10SM BKN035 M15/M18 A3017 RMK AO2 SLP307 T11501183 |
| 05:53 MST |  Partly Cloudy | -16°C / 3°F | -19°C / -2°F | 78% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KRXE 041253Z AUTO 04003KT 10SM SCT033 SCT110 M16/M19 A3021 RMK AO2 SLP312 T11611194 |
| 04:53 MST |  Mostly Cloudy | -17°C / 1°F | -20°C / -4°F | 78% | 1023 mb (30.21 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KRXE 041153Z AUTO 05004KT 10SM BKN110 M17/M20 A3022 RMK AO2 SLP313 T11721200 11172 21200 58009 |
| 03:53 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1024 mb (30.24 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KRXE 041053Z AUTO 05004KT 10SM CLR M18/M21 A3023 RMK AO2 SLP314 T11781206 |
| 02:53 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRXE 040953Z AUTO 00000KT 10SM CLR M19/M22 A3025 RMK AO2 SLP323 T11891217 |
| 01:53 MST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRXE 040853Z AUTO 00000KT 10SM CLR M19/M22 A3025 RMK AO2 SLP327 T11941222 58004 |
| 00:53 MST |  Partly Cloudy | -20°C / -4°F | -23°C / -9°F | 77% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KRXE 040753Z AUTO 00000KT 10SM FEW002 M20/M23 A3026 RMK AO2 SLP337 T12001228 |
| 00:20 MST |  Mostly Cloudy | -20°C / -4°F | -23°C / -9°F | 77% | 1025 mb (30.27 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KRXE 040720Z AUTO 04004KT 10SM BKN002 M20/M23 A3026 RMK AO2 |