| 10:55 MST |  Clear | 11°C / 52°F | -5°C / 23°F | 32% | 1018 mb (30.06 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KSGU 291755Z AUTO 16006KT 10SM CLR 11/M05 A3007 RMK AO1 10110 20040 52017 |
| 10:35 MST |  Partly Cloudy | 10°C / 50°F | -4°C / 25°F | 37% | 1018 mb (30.06 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KSGU 291735Z AUTO 16006KT 10SM SCT095 10/M04 A3007 RMK AO1 |
| 10:15 MST |  Mostly Cloudy | 9°C / 48°F | -4°C / 25°F | 40% | 1018 mb (30.06 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KSGU 291715Z AUTO 19005KT 10SM BKN095 09/M04 A3007 RMK AO1 |
| 09:55 MST |  Mostly Cloudy | 8°C / 46°F | -4°C / 25°F | 43% | 1018 mb (30.06 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KSGU 291655Z AUTO 14003KT 10SM BKN095 08/M04 A3007 RMK AO1 |
| 09:35 MST |  Overcast | 6°C / 43°F | -3°C / 27°F | 53% | 1018 mb (30.06 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KSGU 291635Z AUTO 11004KT 10SM OVC085 06/M03 A3006 RMK AO1 |
| 09:15 MST |  Overcast | 6°C / 43°F | -4°C / 25°F | 49% | 1018 mb (30.06 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSGU 291615Z AUTO 17004KT 10SM OVC085 06/M04 A3006 RMK AO1 |
| 08:55 MST |  Mostly Cloudy | 6°C / 43°F | -3°C / 27°F | 53% | 1018 mb (30.06 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KSGU 291555Z AUTO 12005KT 10SM BKN085 06/M03 A3005 RMK AO1 |
| 08:35 MST |  Mostly Cloudy | 5°C / 41°F | -4°C / 25°F | 53% | 1017 mb (30.03 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSGU 291535Z AUTO 19003KT 10SM BKN085 05/M04 A3004 RMK AO1 |
| 08:15 MST |  Mostly Cloudy | 5°C / 41°F | -4°C / 25°F | 53% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGU 291515Z AUTO 00000KT 10SM BKN075 05/M04 A3003 RMK AO1 |
| 07:55 MST |  Overcast | 6°C / 43°F | -4°C / 25°F | 49% | 1017 mb (30.03 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KSGU 291455Z AUTO 19005KT 10SM BKN075 OVC100 06/M04 A3002 RMK AO1 52024 |
| 07:35 MST |  Overcast | 6°C / 43°F | -4°C / 25°F | 49% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSGU 291435Z AUTO 00000KT 10SM BKN075 OVC100 06/M04 A3002 RMK AO1 |
| 07:15 MST |  Mostly Cloudy | 6°C / 43°F | -4°C / 25°F | 49% | 1016 mb (30 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 291415Z AUTO 23003KT 10SM BKN075 06/M04 A3001 RMK AO1 |
| 06:55 MST |  Partly Cloudy | 6°C / 43°F | -4°C / 25°F | 49% | 1016 mb (30 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 291355Z AUTO 21003KT 10SM SCT075 06/M04 A3000 RMK AO1 |
| 06:35 MST |  Mostly Cloudy | 6°C / 43°F | -3°C / 27°F | 53% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KSGU 291335Z AUTO 00000KT 10SM BKN075 06/M03 A2998 RMK AO1 |
| 06:15 MST |  Mostly Cloudy | 6°C / 43°F | -3°C / 27°F | 53% | 1015 mb (29.97 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 291315Z AUTO 23003KT 10SM BKN085 06/M03 A2998 RMK AO1 |
| 05:55 MST |  Partly Cloudy | 5°C / 41°F | -3°C / 27°F | 57% | 1015 mb (29.97 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSGU 291255Z AUTO 19003KT 10SM SCT085 05/M03 A2997 RMK AO1 |
| 05:35 MST |  Clear | 6°C / 43°F | -2°C / 28°F | 57% | 1015 mb (29.97 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KSGU 291235Z AUTO 17007KT 10SM CLR 06/M02 A2996 RMK AO1 |
| 05:15 MST |  Clear | 5°C / 41°F | -2°C / 28°F | 61% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KSGU 291215Z AUTO 00000KT 10SM CLR 05/M02 A2996 RMK AO1 |
| 04:55 MST |  Clear | 6°C / 43°F | -2°C / 28°F | 57% | 1014 mb (29.94 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KSGU 291155Z AUTO 09005KT 10SM CLR 06/M02 A2995 RMK AO1 10080 20040 52014 |
| 04:35 MST |  Partly Cloudy | 5°C / 41°F | -3°C / 27°F | 57% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KSGU 291135Z AUTO 12004KT 10SM FEW085 05/M03 A2994 RMK AO1 |
| 04:15 MST |  Partly Cloudy | 7°C / 45°F | -2°C / 28°F | 53% | 1014 mb (29.94 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KSGU 291115Z AUTO 31007KT 10SM SCT085 07/M02 A2994 RMK AO1 |
| 03:55 MST |  Partly Cloudy | 6°C / 43°F | -2°C / 28°F | 57% | 1014 mb (29.94 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KSGU 291055Z AUTO 29005KT 10SM SCT075 06/M02 A2994 RMK AO1 |
| 03:35 MST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KSGU 291035Z AUTO 00000KT 10SM OVC075 07/M02 A2994 RMK AO1 |
| 03:15 MST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KSGU 291015Z AUTO 00000KT 10SM OVC075 07/M02 A2994 RMK AO1 |
| 02:55 MST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1014 mb (29.94 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KSGU 290955Z AUTO 20005KT 10SM OVC075 07/M02 A2994 RMK AO1 |
| 02:35 MST |  Overcast | 7°C / 45°F | -2°C / 28°F | 53% | 1014 mb (29.94 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KSGU 290935Z AUTO 16006KT 10SM SCT075 OVC110 07/M02 A2993 RMK AO1 |
| 02:15 MST |  Mostly Cloudy | 6°C / 43°F | -2°C / 28°F | 57% | 1014 mb (29.94 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSGU 290915Z AUTO 17004KT 10SM BKN110 06/M02 A2993 RMK AO1 |
| 01:55 MST |  Partly Cloudy | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KSGU 290855Z AUTO 20003KT 10SM FEW070 FEW090 07/M02 A2991 RMK AO1 52010 |
| 01:35 MST |  Partly Cloudy | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KSGU 290835Z AUTO 00000KT 10SM SCT090 07/M02 A2991 RMK AO1 |
| 01:15 MST |  Partly Cloudy | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KSGU 290815Z AUTO 23005KT 10SM FEW090 07/M02 A2990 RMK AO1 |
| 00:55 MST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KSGU 290755Z AUTO 24003KT 10SM CLR 07/M02 A2990 RMK AO1 |
| 00:35 MST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KSGU 290735Z AUTO 00000KT 10SM CLR 07/M02 A2990 RMK AO1 |
| 00:15 MST |  Clear | 7°C / 45°F | -2°C / 28°F | 53% | 1013 mb (29.91 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KSGU 290715Z AUTO 21003KT 10SM CLR 07/M02 A2990 RMK AO1 |