| 18:35 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 260135Z AUTO 00000KT 10SM CLR 13/M07 A3024 RMK AO1 |
| 18:15 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 260115Z AUTO 00000KT 10SM CLR 13/M07 A3024 RMK AO1 TSNO |
| 17:55 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 260055Z AUTO 00000KT 10SM CLR 13/M07 A3023 RMK AO1 |
| 17:35 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 260035Z AUTO 00000KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 17:15 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 260015Z AUTO 00000KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 16:55 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 252355Z AUTO 00000KT 10SM CLR 14/M07 A3023 RMK AO1 10150 20070 401501010 57007 |
| 16:35 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 252335Z AUTO 00000KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 16:15 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 7SM |
| | KSGU 252315Z AUTO 00000KT 7SM CLR 14/M07 A3023 RMK AO1 |
| 15:55 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSGU 252255Z AUTO 00000KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 15:35 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KSGU 252235Z AUTO 11003KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 15:15 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGU 252215Z AUTO 15003KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 14:55 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 252155Z AUTO 22004KT 10SM CLR 14/M07 A3023 RMK AO1 |
| 14:35 MST |  Clear | 14°C / 57°F | -7°C / 19°F | 23% | 1024 mb (30.24 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSGU 252135Z AUTO 18003KT 10SM CLR 14/M07 A3024 RMK AO1 |
| 14:15 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1024 mb (30.24 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGU 252115Z AUTO 20003KT 10SM CLR 13/M07 A3024 RMK AO1 |
| 13:55 MST |  Clear | 13°C / 55°F | -7°C / 19°F | 24% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 252055Z AUTO 21003KT 10SM CLR 13/M07 A3025 RMK AO1 57037 |
| 13:35 MST |  Clear | 12°C / 54°F | -7°C / 19°F | 26% | 1025 mb (30.27 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KSGU 252035Z AUTO 23005KT 10SM CLR 12/M07 A3027 RMK AO1 |
| 13:15 MST |  Clear | 12°C / 54°F | -7°C / 19°F | 26% | 1025 mb (30.27 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KSGU 252015Z AUTO 21006KT 10SM CLR 12/M07 A3028 RMK AO1 |
| 12:55 MST |  Clear | 11°C / 52°F | -8°C / 18°F | 26% | 1026 mb (30.3 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 251955Z AUTO 23004KT 10SM CLR 11/M08 A3029 RMK AO1 |
| 12:35 MST |  Clear | 11°C / 52°F | -8°C / 18°F | 26% | 1026 mb (30.3 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 251935Z AUTO 22004KT 10SM CLR 11/M08 A3031 RMK AO1 |
| 12:15 MST |  Clear | 10°C / 50°F | -8°C / 18°F | 28% | 1027 mb (30.33 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KSGU 251915Z AUTO 24004KT 10SM CLR 10/M08 A3032 RMK AO1 |
| 11:55 MST |  Clear | 9°C / 48°F | -9°C / 16°F | 27% | 1027 mb (30.33 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KSGU 251855Z AUTO 24005KT 10SM CLR 09/M09 A3033 RMK AO1 |
| 11:35 MST |  Clear | 8°C / 46°F | -9°C / 16°F | 29% | 1027 mb (30.33 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KSGU 251835Z AUTO 26003KT 10SM CLR 08/M09 A3034 RMK AO1 |
| 11:15 MST |  Clear | 8°C / 46°F | -9°C / 16°F | 29% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSGU 251815Z AUTO 00000KT 10SM CLR 08/M09 A3035 RMK AO1 |
| 10:55 MST |  Clear | 7°C / 45°F | -9°C / 16°F | 31% | 1028 mb (30.36 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KSGU 251755Z AUTO 06003KT 10SM CLR 07/M09 A3036 RMK AO1 10070 21010 52007 |
| 10:35 MST |  Clear | 6°C / 43°F | -10°C / 14°F | 31% | 1028 mb (30.36 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KSGU 251735Z AUTO 10006KT 10SM CLR 06/M10 A3036 RMK AO1 |
| 10:15 MST |  Clear | 5°C / 41°F | -11°C / 12°F | 31% | 1028 mb (30.36 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KSGU 251715Z AUTO 11005KT 10SM CLR 05/M11 A3037 RMK AO1 |
| 09:55 MST |  Clear | 4°C / 39°F | -10°C / 14°F | 36% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSGU 251655Z AUTO 00000KT 10SM CLR 04/M10 A3036 RMK AO1 |
| 09:35 MST |  Clear | 3°C / 37°F | -10°C / 14°F | 38% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSGU 251635Z AUTO 00000KT 10SM CLR 03/M10 A3036 RMK AO1 |
| 09:15 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSGU 251615Z AUTO 00000KT 10SM CLR 03/M09 A3036 RMK AO1 |
| 08:55 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1028 mb (30.36 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSGU 251555Z AUTO 10003KT 10SM CLR 03/M09 A3036 RMK AO1 |
| 08:35 MST |  Clear | 2°C / 36°F | -10°C / 14°F | 41% | 1028 mb (30.36 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSGU 251535Z AUTO 09004KT 10SM CLR 02/M10 A3036 RMK AO1 |
| 08:15 MST |  Clear | 1°C / 34°F | -10°C / 14°F | 44% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSGU 251515Z AUTO 00000KT 10SM CLR 01/M10 A3035 RMK AO1 |
| 07:55 MST |  Clear | 1°C / 34°F | -10°C / 14°F | 44% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251455Z AUTO 00000KT 10SM CLR 01/M10 A3034 RMK AO1 52007 |
| 07:35 MST |  Clear | 0°C / 32°F | -10°C / 14°F | 47% | 1027 mb (30.33 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSGU 251435Z AUTO 04003KT 10SM CLR 00/M10 A3034 RMK AO1 |
| 07:15 MST |  Clear | 0°C / 32°F | -11°C / 12°F | 44% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251415Z AUTO 00000KT 10SM CLR 00/M11 A3033 RMK AO1 |
| 06:55 MST |  Clear | -1°C / 30°F | -11°C / 12°F | 47% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251355Z AUTO 00000KT 10SM CLR M01/M11 A3033 RMK AO1 |
| 06:35 MST |  Clear | 1°C / 34°F | -11°C / 12°F | 41% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251335Z AUTO 00000KT 10SM CLR 01/M11 A3033 RMK AO1 |
| 06:15 MST |  Clear | 1°C / 34°F | -12°C / 10°F | 38% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251315Z AUTO 00000KT 10SM CLR 01/M12 A3032 RMK AO1 |
| 05:55 MST |  Clear | 2°C / 36°F | -11°C / 12°F | 38% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251255Z AUTO 00000KT 10SM CLR 02/M11 A3032 RMK AO1 |
| 05:35 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251235Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 05:15 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251215Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 04:55 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251155Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 10060 20020 54000 |
| 04:35 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251135Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 04:15 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251115Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 03:55 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251055Z AUTO 00000KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 03:35 MST |  Clear | 2°C / 36°F | -11°C / 12°F | 38% | 1027 mb (30.33 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSGU 251035Z AUTO 22004KT 10SM CLR 02/M11 A3032 RMK AO1 |
| 03:15 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 251015Z AUTO 00000KT 10SM CLR 04/M11 A3032 RMK AO1 |
| 02:55 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1027 mb (30.33 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KSGU 250955Z AUTO 28003KT 10SM CLR 04/M11 A3032 RMK AO1 |
| 02:35 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KSGU 250935Z AUTO 26003KT 10SM CLR 03/M11 A3032 RMK AO1 |
| 02:15 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 250915Z AUTO 00000KT 10SM CLR 03/M11 A3033 RMK AO1 |
| 01:55 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1027 mb (30.33 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KSGU 250855Z AUTO 25004KT 10SM CLR 03/M11 A3032 RMK AO1 54000 |
| 01:35 MST |  Clear | 5°C / 41°F | -11°C / 12°F | 31% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 250835Z AUTO 00000KT 10SM CLR 05/M11 A3032 RMK AO1 |
| 01:15 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1027 mb (30.33 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSGU 250815Z AUTO 10003KT 10SM CLR 04/M11 A3032 RMK AO1 |
| 00:55 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KSGU 250755Z AUTO 00000KT 10SM CLR 04/M11 A3032 RMK AO1 |
| 00:35 MST |  Clear | 5°C / 41°F | -11°C / 12°F | 31% | 1027 mb (30.33 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KSGU 250735Z AUTO 20004KT 10SM CLR 05/M11 A3032 RMK AO1 |
| 00:15 MST |  Clear | 6°C / 43°F | -11°C / 12°F | 29% | 1027 mb (30.33 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 250715Z AUTO 21003KT 10SM CLR 06/M11 A3032 RMK AO1 |