| 12:55 MST |  Clear | 5°C / 41°F | -4°C / 25°F | 53% | 1016 mb (30 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KCOD 301955Z 04007KT 10SM CLR 05/M04 A2999 RMK AO1 |
| 12:35 MST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1016 mb (30 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOD 301935Z 03005KT 10SM CLR 06/M04 A2999 RMK AO1 |
| 12:15 MST |  Clear | 7°C / 45°F | -3°C / 27°F | 49% | 1016 mb (30 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOD 301915Z 24006KT 10SM CLR 07/M03 A3000 RMK AO1 |
| 11:55 MST |  Clear | 5°C / 41°F | -4°C / 25°F | 53% | 1017 mb (30.03 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KCOD 301855Z 30003KT 10SM CLR 05/M04 A3002 RMK AO1 |
| 11:35 MST |  Clear | 4°C / 39°F | -4°C / 25°F | 56% | 1017 mb (30.03 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOD 301835Z 03005KT 10SM CLR 04/M04 A3003 RMK AO1 |
| 11:15 MST |  Clear | 3°C / 37°F | -4°C / 25°F | 60% | 1018 mb (30.06 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCOD 301815Z 01003KT 10SM CLR 03/M04 A3005 RMK AO1 |
| 10:55 MST |  Clear | 1°C / 34°F | -4°C / 25°F | 70% | 1018 mb (30.06 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KCOD 301755Z 02005KT 10SM CLR 01/M04 A3005 RMK AO1 10060 21060 57010 |
| 10:35 MST |  Clear | 2°C / 36°F | -5°C / 23°F | 60% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KCOD 301735Z 00000KT 10SM CLR 02/M05 A3006 RMK AO1 |
| 10:15 MST |  Clear | 3°C / 37°F | -5°C / 23°F | 56% | 1018 mb (30.06 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KCOD 301715Z 25004KT 10SM CLR 03/M05 A3005 RMK AO1 |
| 09:55 MST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KCOD 301655Z 00000KT 10SM CLR 00/M06 A3007 RMK AO1 |
| 09:35 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1018 mb (30.06 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOD 301635Z 07004KT 10SM CLR M02/M06 A3007 RMK AO1 |
| 09:15 MST |  Clear | 5°C / 41°F | -7°C / 19°F | 42% | 1018 mb (30.06 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KCOD 301615Z 35005KT 10SM CLR 05/M07 A3007 RMK AO1 |
| 08:55 MST |  Clear | 5°C / 41°F | -7°C / 19°F | 42% | 1018 mb (30.06 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KCOD 301555Z 26003KT 10SM CLR 05/M07 A3007 RMK AO1 |
| 08:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1019 mb (30.09 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOD 301535Z 24006KT 10SM CLR M01/M08 A3008 RMK AO1 |
| 08:15 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301515Z 00000KT 10SM CLR M04/M07 A3008 RMK AO1 |
| 07:55 MST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301455Z 00000KT 10SM CLR M05/M08 A3008 RMK AO1 54000 |
| 07:35 MST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301435Z 00000KT 10SM CLR M05/M08 A3008 RMK AO1 |
| 07:15 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301415Z 00000KT 10SM CLR M04/M08 A3009 RMK AO1 |
| 06:55 MST |  Clear | -5°C / 23°F | -8°C / 18°F | 80% | 1019 mb (30.09 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KCOD 301355Z 06005KT 10SM CLR M05/M08 A3009 RMK AO1 |
| 06:35 MST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KCOD 301335Z 01003KT 10SM CLR M06/M09 A3009 RMK AO1 |
| 06:15 MST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301315Z 00000KT 10SM CLR M05/M09 A3009 RMK AO1 |
| 05:55 MST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1019 mb (30.09 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCOD 301255Z 04003KT 10SM CLR M02/M09 A3008 RMK AO1 |
| 05:35 MST |  Clear | 4°C / 39°F | -7°C / 19°F | 45% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301235Z 00000KT 10SM CLR 04/M07 A3008 RMK AO1 |
| 05:15 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301215Z 00000KT 10SM CLR 01/M08 A3008 RMK AO1 |
| 04:55 MST |  Clear | 1°C / 34°F | -6°C / 21°F | 60% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301155Z 00000KT 10SM CLR 01/M06 A3008 RMK AO1 10010 21070 57014 |
| 04:35 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1019 mb (30.09 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KCOD 301135Z 06004KT 10SM CLR M06/M08 A3008 RMK AO1 |
| 04:15 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCOD 301115Z 03005KT 10SM CLR M06/M07 A3009 RMK AO1 |
| 03:55 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301055Z 00000KT 10SM CLR M06/M07 A3009 RMK AO1 |
| 03:35 MST |  Clear | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301035Z 00000KT 10SM CLR M06/M06 A3009 RMK AO1 |
| 03:15 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KCOD 301015Z 00000KT 10SM CLR M04/M07 A3009 RMK AO1 |
| 02:55 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1019 mb (30.09 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KCOD 300955Z 10004KT 10SM CLR M06/M08 A3010 RMK AO1 |
| 02:35 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1020 mb (30.12 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KCOD 300935Z 31003KT 10SM CLR M05/M07 A3011 RMK AO1 |
| 02:15 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1020 mb (30.12 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KCOD 300915Z 20005KT 10SM CLR M06/M07 A3011 RMK AO1 |
| 01:55 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KCOD 300855Z 00000KT 10SM CLR M06/M07 A3012 RMK AO1 57007 |
| 01:35 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KCOD 300835Z 00000KT 10SM CLR M06/M07 A3011 RMK AO1 |
| 01:15 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1020 mb (30.12 in) | Calm | - | 9SM |
| | KCOD 300815Z 00000KT 9SM CLR M06/M07 A3011 RMK AO1 |
| 00:55 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KCOD 300755Z 00000KT 10SM CLR M06/M08 A3013 RMK AO1 |
| 00:35 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KCOD 300735Z 00000KT 10SM CLR M05/M07 A3012 RMK AO1 |
| 00:15 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KCOD 300715Z 00000KT 10SM CLR M06/M08 A3013 RMK AO1 |