| 04:53 MST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1021 mb (30.15 in) | SW 26 kph (SW 16.1 mph) | - | 10SM |
| | KBIL 021153Z 22014KT 10SM CLR M13/M17 A3016 RMK AO2 SLP272 70014 T11281172 11089 21128 53003 |
| 03:53 MST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1021 mb (30.15 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KBIL 021053Z 22011KT 10SM CLR M12/M17 A3016 RMK AO2 SLP266 T11171167 |
| 02:53 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1021 mb (30.15 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KBIL 020953Z 24014KT 10SM CLR M12/M16 A3015 RMK AO2 SLP261 T11171161 |
| 01:53 MST |  Clear | -10°C / 14°F | -16°C / 3°F | 62% | 1021 mb (30.15 in) | SW 22 kph (SW 13.8 mph) | - | 10SM |
| | KBIL 020853Z 22012KT 10SM CLR M10/M16 A3015 RMK AO2 SLP261 T11001156 58004 |
| 00:53 MST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1021 mb (30.15 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KBIL 020753Z 23009KT 10SM CLR M11/M16 A3016 RMK AO2 SLP264 T11061156 |