| 16:35 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1019 mb (30.09 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSGU 302335Z AUTO 05003KT 10SM CLR 14/M06 A3009 RMK AO1 |
| 16:15 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1019 mb (30.09 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSGU 302315Z AUTO 05004KT 10SM CLR 14/M06 A3009 RMK AO1 |
| 15:55 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSGU 302255Z AUTO 00000KT 10SM CLR 14/M06 A3010 RMK AO1 |
| 15:35 MST |  Clear | 15°C / 59°F | -6°C / 21°F | 23% | 1019 mb (30.09 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSGU 302235Z AUTO 19004KT 10SM CLR 15/M06 A3010 RMK AO1 |
| 15:15 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 302215Z AUTO 22004KT 10SM CLR 14/M06 A3010 RMK AO1 |
| 14:55 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1020 mb (30.12 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 302155Z AUTO 22003KT 10SM CLR 14/M06 A3011 RMK AO1 |
| 14:35 MST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSGU 302135Z AUTO 00000KT 10SM CLR 14/M06 A3012 RMK AO1 |
| 14:15 MST |  Clear | 13°C / 55°F | -6°C / 21°F | 26% | 1020 mb (30.12 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KSGU 302115Z AUTO 28003KT 10SM CLR 13/M06 A3013 RMK AO1 |
| 13:55 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KSGU 302055Z AUTO 00000KT 10SM CLR 13/M07 A3014 RMK AO1 57027 |
| 13:35 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KSGU 302035Z AUTO 00000KT 10SM CLR 13/M07 A3015 RMK AO1 |
| 13:15 MST |  Clear | 12°C / 54°F | -7°C / 19°F | 26% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KSGU 302015Z AUTO 25003KT 10SM CLR 12/M07 A3017 RMK AO1 |
| 12:55 MST |  Clear | 11°C / 52°F | -7°C / 19°F | 28% | 1022 mb (30.18 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 301955Z AUTO 22003KT 10SM CLR 11/M07 A3018 RMK AO1 |
| 12:35 MST |  Clear | 11°C / 52°F | -7°C / 19°F | 28% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 301935Z AUTO 21004KT 10SM CLR 11/M07 A3019 RMK AO1 |
| 12:15 MST |  Clear | 11°C / 52°F | -7°C / 19°F | 28% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301915Z AUTO 00000KT 10SM CLR 11/M07 A3021 RMK AO1 |
| 11:55 MST |  Clear | 9°C / 48°F | -7°C / 19°F | 32% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 301855Z AUTO 22003KT 10SM CLR 09/M07 A3022 RMK AO1 |
| 11:35 MST |  Clear | 9°C / 48°F | -7°C / 19°F | 32% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301835Z AUTO 00000KT 10SM CLR 09/M07 A3023 RMK AO1 |
| 11:15 MST |  Clear | 8°C / 46°F | -7°C / 19°F | 34% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301815Z AUTO 00000KT 10SM CLR 08/M07 A3024 RMK AO1 |
| 10:55 MST |  Clear | 8°C / 46°F | -7°C / 19°F | 34% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301755Z AUTO 00000KT 10SM CLR 08/M07 A3025 RMK AO1 10080 20020 52007 |
| 10:35 MST |  Clear | 7°C / 45°F | -7°C / 19°F | 37% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301735Z AUTO 00000KT 10SM CLR 07/M07 A3025 RMK AO1 |
| 10:15 MST |  Clear | 6°C / 43°F | -7°C / 19°F | 39% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSGU 301715Z AUTO 00000KT 10SM CLR 06/M07 A3026 RMK AO1 |
| 09:55 MST |  Clear | 6°C / 43°F | -8°C / 18°F | 36% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSGU 301655Z AUTO 00000KT 10SM CLR 06/M08 A3026 RMK AO1 |
| 09:35 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KSGU 301635Z AUTO 26003KT 10SM CLR 05/M08 A3025 RMK AO1 |
| 09:15 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1024 mb (30.24 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KSGU 301615Z AUTO 29004KT 10SM CLR 04/M08 A3024 RMK AO1 |
| 08:55 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1024 mb (30.24 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KSGU 301555Z AUTO 29003KT 10SM CLR 04/M08 A3024 RMK AO1 |
| 08:35 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301535Z AUTO 00000KT 10SM CLR 04/M08 A3024 RMK AO1 |
| 08:15 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301515Z AUTO 00000KT 10SM CLR 02/M09 A3023 RMK AO1 |
| 07:55 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 301455Z AUTO 00000KT 10SM CLR 02/M08 A3023 RMK AO1 52007 |
| 07:35 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1024 mb (30.24 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSGU 301435Z AUTO 05004KT 10SM CLR 02/M08 A3023 RMK AO1 |
| 07:15 MST |  Clear | 3°C / 37°F | -8°C / 18°F | 45% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301415Z AUTO 00000KT 10SM CLR 03/M08 A3021 RMK AO1 |
| 06:55 MST |  Clear | 3°C / 37°F | -8°C / 18°F | 45% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301355Z AUTO 00000KT 10SM CLR 03/M08 A3021 RMK AO1 |
| 06:35 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301335Z AUTO 00000KT 10SM CLR 02/M09 A3021 RMK AO1 |
| 06:15 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301315Z AUTO 00000KT 10SM CLR 03/M09 A3021 RMK AO1 |
| 05:55 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301255Z AUTO 00000KT 10SM CLR 04/M08 A3021 RMK AO1 |
| 05:35 MST |  Clear | 3°C / 37°F | -8°C / 18°F | 45% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301235Z AUTO 00000KT 10SM CLR 03/M08 A3021 RMK AO1 |
| 05:15 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301215Z AUTO 00000KT 10SM CLR 04/M08 A3021 RMK AO1 |
| 04:55 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301155Z AUTO 00000KT 10SM CLR 04/M08 A3021 RMK AO1 10080 20030 52007 |
| 04:35 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301135Z AUTO 00000KT 10SM CLR 04/M08 A3020 RMK AO1 |
| 04:15 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301115Z AUTO 00000KT 10SM CLR 05/M08 A3020 RMK AO1 |
| 03:55 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301055Z AUTO 00000KT 10SM CLR 04/M08 A3021 RMK AO1 |
| 03:35 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 301035Z AUTO 00000KT 10SM CLR 05/M08 A3021 RMK AO1 |
| 03:15 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 301015Z AUTO 21003KT 10SM CLR 05/M08 A3020 RMK AO1 |
| 02:55 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 300955Z AUTO 21003KT 10SM CLR 05/M08 A3020 RMK AO1 |
| 02:35 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 300935Z AUTO 00000KT 10SM CLR 05/M08 A3020 RMK AO1 |
| 02:15 MST |  Clear | 6°C / 43°F | -8°C / 18°F | 36% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 300915Z AUTO 00000KT 10SM CLR 06/M08 A3020 RMK AO1 |
| 01:55 MST |  Clear | 6°C / 43°F | -8°C / 18°F | 36% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 300855Z AUTO 22004KT 10SM CLR 06/M08 A3019 RMK AO1 52010 |
| 01:35 MST |  Clear | 5°C / 41°F | -8°C / 18°F | 39% | 1022 mb (30.18 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSGU 300835Z AUTO 17004KT 10SM CLR 05/M08 A3019 RMK AO1 |
| 01:15 MST |  Clear | 6°C / 43°F | -8°C / 18°F | 36% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 300815Z AUTO 00000KT 10SM CLR 06/M08 A3018 RMK AO1 |
| 00:55 MST |  Clear | 7°C / 45°F | -8°C / 18°F | 34% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 300755Z AUTO 00000KT 10SM CLR 07/M08 A3018 RMK AO1 |
| 00:35 MST |  Clear | 7°C / 45°F | -8°C / 18°F | 34% | 1022 mb (30.18 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSGU 300735Z AUTO 30004KT 10SM CLR 07/M08 A3018 RMK AO1 |
| 00:15 MST |  Clear | 7°C / 45°F | -8°C / 18°F | 34% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KSGU 300715Z AUTO 26007KT 10SM CLR 07/M08 A3017 RMK AO1 |