| 10:51 MST |  Clear | 4°C / 39°F | -21°C / -6°F | 14% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KIGM 041751Z AUTO 36006KT 10SM CLR 04/M21 A3027 RMK AO2 SLP236 T00441206 10044 21078 50003 TSNO |
| 09:51 MST |  Clear | 2°C / 36°F | -21°C / -6°F | 16% | 1025 mb (30.27 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KIGM 041651Z AUTO 34004KT 10SM CLR 02/M21 A3028 RMK AO2 SLP242 T00171211 FZRANO TSNO |
| 08:51 MST |  Clear | -1°C / 30°F | -21°C / -6°F | 20% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KIGM 041551Z AUTO 06003KT 10SM CLR M01/M21 A3027 RMK AO2 SLP240 T10111211 FZRANO TSNO |
| 07:51 MST |  Clear | -6°C / 21°F | -22°C / -8°F | 27% | 1025 mb (30.27 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KIGM 041451Z AUTO 05006KT 10SM CLR M06/M22 A3026 RMK AO2 SLP242 T10561222 53007 FZRANO TSNO |
| 06:51 MST |  Clear | -6°C / 21°F | -22°C / -8°F | 27% | 1024 mb (30.24 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KIGM 041351Z AUTO 06008KT 10SM CLR M06/M22 A3025 RMK AO2 SLP236 T10611222 FZRANO TSNO |
| 05:51 MST |  Clear | -7°C / 19°F | -22°C / -8°F | 29% | 1024 mb (30.24 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KIGM 041251Z AUTO 09007KT 10SM CLR M07/M22 A3024 RMK AO2 SLP232 T10671222 FZRANO TSNO |
| 04:51 MST |  Clear | -7°C / 19°F | -22°C / -8°F | 29% | 1024 mb (30.24 in) | ESE 15 kph (ESE 9.2 mph) | - | 10SM |
| | KIGM 041151Z AUTO 11008KT 10SM CLR M07/M22 A3023 RMK AO2 SLP227 T10671217 10006 21072 51014 FZRANO TSNO |
| 03:51 MST |  Clear | -6°C / 21°F | -22°C / -8°F | 27% | 1023 mb (30.21 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KIGM 041051Z AUTO 10010KT 10SM CLR M06/M22 A3022 RMK AO2 SLP219 T10561217 FZRANO TSNO |
| 02:51 MST |  Clear | -4°C / 25°F | -21°C / -6°F | 26% | 1023 mb (30.21 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KIGM 040951Z AUTO 08009KT 10SM CLR M04/M21 A3022 RMK AO2 SLP215 T10391211 FZRANO TSNO |
| 01:51 MST |  Clear | -4°C / 25°F | -21°C / -6°F | 26% | 1022 mb (30.18 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KIGM 040851Z AUTO 08011KT 10SM CLR M04/M21 A3019 RMK AO2 SLP205 T10441211 50009 FZRANO TSNO |
| 00:51 MST |  Clear | -2°C / 28°F | -21°C / -6°F | 22% | 1022 mb (30.18 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KIGM 040751Z AUTO 02009KT 10SM CLR M02/M21 A3019 RMK AO2 SLP204 T10171211 FZRANO TSNO |