| 16:35 MST |  Clear | 7°C / 45°F | -12°C / 10°F | 25% | 1022 mb (30.18 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KSGU 242335Z AUTO 11005KT 10SM CLR 07/M12 A3017 RMK AO1 |
| 16:15 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KSGU 242315Z AUTO 13003KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 15:55 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSGU 242255Z AUTO 19003KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 15:35 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSGU 242235Z AUTO 16005KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 15:15 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KSGU 242215Z AUTO 15004KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 14:55 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGU 242155Z AUTO 16003KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 14:35 MST |  Clear | 8°C / 46°F | -11°C / 12°F | 25% | 1022 mb (30.18 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KSGU 242135Z AUTO 17006KT 10SM CLR 08/M11 A3018 RMK AO1 |
| 14:15 MST |  Clear | 7°C / 45°F | -11°C / 12°F | 27% | 1022 mb (30.18 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KSGU 242115Z AUTO 11006KT 10SM CLR 07/M11 A3019 RMK AO1 |
| 13:55 MST |  Clear | 7°C / 45°F | -12°C / 10°F | 25% | 1022 mb (30.18 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KSGU 242055Z AUTO 14006KT 10SM CLR 07/M12 A3019 RMK AO1 57027 |
| 13:35 MST |  Clear | 7°C / 45°F | -11°C / 12°F | 27% | 1022 mb (30.18 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KSGU 242035Z AUTO 12004KT 10SM CLR 07/M11 A3019 RMK AO1 |
| 13:15 MST |  Clear | 7°C / 45°F | -11°C / 12°F | 27% | 1023 mb (30.21 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KSGU 242015Z AUTO 14005KT 10SM CLR 07/M11 A3021 RMK AO1 |
| 12:55 MST |  Clear | 6°C / 43°F | -10°C / 14°F | 31% | 1023 mb (30.21 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KSGU 241955Z AUTO 14005KT 10SM CLR 06/M10 A3022 RMK AO1 |
| 12:35 MST |  Clear | 6°C / 43°F | -10°C / 14°F | 31% | 1024 mb (30.24 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGU 241935Z AUTO 15003KT 10SM CLR 06/M10 A3023 RMK AO1 |
| 12:15 MST |  Clear | 5°C / 41°F | -9°C / 16°F | 36% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 241915Z AUTO 21003KT 10SM CLR 05/M09 A3024 RMK AO1 |
| 11:55 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 241855Z AUTO 00000KT 10SM CLR 04/M08 A3025 RMK AO1 |
| 11:35 MST |  Clear | 4°C / 39°F | -9°C / 16°F | 39% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSGU 241835Z AUTO 00000KT 10SM CLR 04/M09 A3026 RMK AO1 |
| 11:15 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSGU 241815Z AUTO 00000KT 10SM CLR 03/M09 A3027 RMK AO1 |
| 10:55 MST |  Clear | 3°C / 37°F | -8°C / 18°F | 45% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSGU 241755Z AUTO 00000KT 10SM CLR 03/M08 A3027 RMK AO1 10030 21020 52014 |
| 10:35 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KSGU 241735Z AUTO 07003KT 10SM CLR 02/M08 A3027 RMK AO1 |
| 10:15 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1025 mb (30.27 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSGU 241715Z AUTO 07004KT 10SM CLR 02/M09 A3027 RMK AO1 |
| 09:55 MST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KSGU 241655Z AUTO 06003KT 10SM CLR 01/M09 A3027 RMK AO1 |
| 09:35 MST |  Clear | 0°C / 32°F | -8°C / 18°F | 55% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KSGU 241635Z AUTO 06003KT 10SM CLR 00/M08 A3026 RMK AO1 |
| 09:15 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KSGU 241615Z AUTO 07003KT 10SM CLR M01/M08 A3026 RMK AO1 |
| 08:55 MST |  Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241555Z AUTO 09004KT 10SM CLR M01/M07 A3025 RMK AO1 |
| 08:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241535Z AUTO 08004KT 10SM CLR M01/M08 A3024 RMK AO1 |
| 08:15 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241515Z AUTO 09004KT 10SM CLR M02/M08 A3023 RMK AO1 |
| 07:55 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1024 mb (30.24 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSGU 241455Z AUTO 06004KT 10SM CLR M01/M08 A3023 RMK AO1 52014 |
| 07:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241435Z AUTO 08004KT 10SM CLR M01/M08 A3022 RMK AO1 |
| 07:15 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KSGU 241415Z AUTO 00000KT 10SM CLR M01/M08 A3021 RMK AO1 |
| 06:55 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSGU 241355Z AUTO 30004KT 10SM CLR M02/M08 A3021 RMK AO1 |
| 06:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSGU 241335Z AUTO 07004KT 10SM CLR M01/M08 A3021 RMK AO1 |
| 06:15 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241315Z AUTO 08004KT 10SM CLR M01/M08 A3020 RMK AO1 |
| 05:55 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1022 mb (30.18 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSGU 241255Z AUTO 06004KT 10SM CLR M01/M08 A3019 RMK AO1 |
| 05:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSGU 241235Z AUTO 09003KT 10SM CLR M01/M08 A3019 RMK AO1 |
| 05:15 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1022 mb (30.18 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSGU 241215Z AUTO 05004KT 10SM CLR M01/M08 A3019 RMK AO1 |
| 04:55 MST |  Clear | 0°C / 32°F | -8°C / 18°F | 55% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 241155Z AUTO 00000KT 10SM CLR 00/M08 A3019 RMK AO1 10040 21010 52003 |
| 04:35 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 241135Z AUTO 00000KT 10SM CLR M01/M08 A3019 RMK AO1 |
| 04:15 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1022 mb (30.18 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KSGU 241115Z AUTO 08005KT 10SM CLR 01/M08 A3019 RMK AO1 |
| 03:55 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSGU 241055Z AUTO 08003KT 10SM CLR 01/M08 A3019 RMK AO1 |
| 03:35 MST |  Clear | 0°C / 32°F | -7°C / 19°F | 60% | 1022 mb (30.18 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241035Z AUTO 09004KT 10SM CLR 00/M07 A3019 RMK AO1 |
| 03:15 MST |  Clear | 0°C / 32°F | -7°C / 19°F | 60% | 1022 mb (30.18 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 241015Z AUTO 10004KT 10SM CLR 00/M07 A3019 RMK AO1 |
| 02:55 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1022 mb (30.18 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KSGU 240955Z AUTO 08005KT 10SM CLR 01/M07 A3019 RMK AO1 |
| 02:35 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 240935Z AUTO 00000KT 10SM CLR 01/M08 A3019 RMK AO1 |
| 02:15 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KSGU 240915Z AUTO 00000KT 10SM CLR 01/M08 A3018 RMK AO1 |
| 01:55 MST |  Clear | 2°C / 36°F | -7°C / 19°F | 52% | 1022 mb (30.18 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KSGU 240855Z AUTO 29003KT 10SM CLR 02/M07 A3018 RMK AO1 52014 |
| 01:35 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1022 mb (30.18 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KSGU 240835Z AUTO 32003KT 10SM CLR 01/M07 A3017 RMK AO1 |
| 01:15 MST |  Clear | 2°C / 36°F | -7°C / 19°F | 52% | 1022 mb (30.18 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 240815Z AUTO 08004KT 10SM CLR 02/M07 A3017 RMK AO1 |
| 00:55 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1021 mb (30.15 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KSGU 240755Z AUTO 08009KT 10SM CLR 01/M07 A3016 RMK AO1 |
| 00:35 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1021 mb (30.15 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KSGU 240735Z AUTO 07006KT 10SM CLR 01/M08 A3016 RMK AO1 |
| 00:15 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1021 mb (30.15 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KSGU 240715Z AUTO 26004KT 10SM CLR 03/M09 A3016 RMK AO1 |