| 04:55 MST |  Mostly Cloudy | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGPI 301155Z AUTO 17007KT 10SM BKN043 03/00 A3014 RMK AO2 SLP225 T00330000 10044 20017 58017 $ |
| 03:55 MST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1021 mb (30.15 in) | SSE 17 kph (SSE 10.4 mph) | - | 10SM |
| | KGPI 301055Z AUTO 16009KT 10SM OVC039 04/00 A3016 RMK AO2 SLP233 T00440000 $ |
| 02:55 MST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1022 mb (30.18 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KGPI 300955Z AUTO 17008KT 10SM OVC037 04/00 A3018 RMK AO2 SLP240 T00390000 $ |
| 01:55 MST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1022 mb (30.18 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGPI 300855Z AUTO 19007KT 10SM OVC037 04/00 A3019 RMK AO2 SLP241 T00390000 58006 $ |
| 00:55 MST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1023 mb (30.21 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KGPI 300755Z AUTO 20005KT 10SM OVC041 04/00 A3020 RMK AO2 SLP247 T00390000 $ |