| 04:10 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KOGA 041110Z AUTO 26006KT 10SM CLR M16/M18 A3014 RMK AO2 T11601185 |
| 03:50 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KOGA 041050Z AUTO 26006KT 10SM CLR M16/M19 A3014 RMK AO2 T11621187 |
| 03:30 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KOGA 041030Z AUTO 26005KT 10SM CLR M16/M18 A3015 RMK AO2 T11601185 |
| 03:10 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KOGA 041010Z AUTO 25005KT 10SM CLR M16/M18 A3016 RMK AO2 T11561181 |
| 02:50 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1022 mb (30.18 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KOGA 040950Z AUTO 26006KT 10SM CLR M15/M18 A3017 RMK AO2 T11541179 |
| 02:30 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1022 mb (30.18 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KOGA 040930Z AUTO 25004KT 10SM CLR M15/M18 A3017 RMK AO2 T11531180 |
| 02:10 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KOGA 040910Z AUTO 25005KT 10SM CLR M15/M18 A3018 RMK AO2 T11481176 |
| 01:50 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KOGA 040850Z AUTO 26007KT 10SM CLR M14/M17 A3019 RMK AO2 T11391169 |
| 01:30 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KOGA 040830Z AUTO 25007KT 10SM CLR M14/M17 A3018 RMK AO2 T11431172 |
| 01:10 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KOGA 040810Z AUTO 25007KT 10SM CLR M14/M17 A3019 RMK AO2 T11451172 |
| 00:50 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KOGA 040750Z AUTO 24005KT 10SM CLR M14/M17 A3019 RMK AO2 T11451174 |
| 00:30 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KOGA 040730Z AUTO 00000KT 10SM CLR M14/M17 A3020 RMK AO2 T11421169 |
| 00:10 MST |  Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KOGA 040710Z AUTO 00000KT 10SM SCT100 M14/M17 A3020 RMK AO2 T11361166 |