| 06:53 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1020 mb (30.12 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KHLN 281353Z 20004KT 10SM CLR M01/M08 A3011 RMK AO2 SLP235 T10061078 |
| 05:53 MST |  Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KHLN 281253Z 00000KT 10SM CLR M01/M07 A3009 RMK AO2 SLP227 T10061072 |
| 04:53 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KHLN 281153Z AUTO 00000KT 10SM CLR 01/M07 A3007 RMK AO2 SLP218 T00061072 10044 21011 51015 |
| 03:53 MST |  Partly Cloudy | -1°C / 30°F | -8°C / 18°F | 59% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHLN 281053Z AUTO 31006KT 10SM SCT060 M01/M08 A3007 RMK AO2 SLP215 T10061078 |
| 02:53 MST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KHLN 280953Z AUTO 28009KT 10SM BKN060 02/M07 A3005 RMK AO2 SLP205 T00171072 |
| 01:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KHLN 280853Z AUTO 26004KT 10SM FEW040 BKN060 01/M04 A3003 RMK AO2 SLP202 T00111039 51019 |
| 00:53 MST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1016 mb (30 in) | Calm | - | 10SM |
| | KHLN 280753Z AUTO 00000KT 10SM BKN042 OVC065 02/M03 A3001 RMK AO2 SLP197 T00221028 |