| 12:55 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 1023 mb (30.21 in) | NNE 28 kph (NNE 17.3 mph) | - | 10SM |
| | KGPI 051955Z 02015KT 10SM CLR M03/M12 A3020 RMK AO2 SLP269 T10331117 |
| 11:55 MST |  Partly Cloudy | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KGPI 051855Z 03009G16KT 10SM FEW090 M03/M11 A3021 RMK AO2 SLP268 T10331106 |
| 10:55 MST |  Partly Cloudy | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | NNE 22 kph (NNE 13.8 mph) | - | 10SM |
| | KGPI 051755Z 02012KT 10SM FEW055 M03/M11 A3020 RMK AO2 SLP266 T10281106 11028 21094 53016 |
| 09:55 MST |  Partly Cloudy | -6°C / 21°F | -10°C / 14°F | 74% | 1022 mb (30.18 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGPI 051655Z 33005KT 10SM FEW100 M06/M10 A3018 RMK AO2 SLP262 T10561100 |
| 08:55 MST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1022 mb (30.18 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KGPI 051555Z 34010KT 10SM FEW050 M07/M11 A3017 RMK AO2 SLP259 T10671106 |
| 07:55 MST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1021 mb (30.15 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KGPI 051455Z 35006KT 10SM BKN043 OVC055 M06/M10 A3015 RMK AO2 SLP252 T10561100 53015 |
| 06:55 MST |  Mostly Cloudy | -8°C / 18°F | -12°C / 10°F | 73% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KGPI 051355Z AUTO 00000KT 10SM BKN047 M08/M12 A3013 RMK AO2 SLP247 T10831117 TSNO |
| 05:55 MST |  Mostly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1020 mb (30.12 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KGPI 051255Z AUTO 29003KT 10SM SCT050 BKN060 M09/M12 A3011 RMK AO2 SLP242 T10891122 TSNO |
| 04:55 MST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGPI 051155Z AUTO 31003KT 10SM SCT048 SCT055 BKN070 M07/M11 A3010 RMK AO2 SLP235 70003 T10721106 11072 21089 51012 TSNO |
| 03:55 MST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGPI 051055Z AUTO 00000KT 10SM FEW060 SCT070 M07/M11 A3009 RMK AO2 SLP231 T10721106 TSNO |
| 02:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGPI 050955Z AUTO 00000KT 10SM SCT044 BKN055 OVC075 M08/M11 A3009 RMK AO2 SLP231 T10781106 TSNO |
| 01:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1018 mb (30.06 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KGPI 050855Z AUTO 23003KT 10SM BKN045 OVC060 M08/M11 A3007 RMK AO2 SLP225 T10831111 51014 TSNO |
| 00:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KGPI 050755Z AUTO 00000KT 10SM BKN050 BKN065 OVC090 M08/M11 A3005 RMK AO2 SLP219 T10781106 TSNO |