| 05:53 MST |  Mostly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | SSW 9 kph (SSW 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 031253Z 24005KT 10SM FEW020 BKN048 M09/M12 A3028 RMK AO2 SNB1159E44 SLP311 P0000 T10941122 |
| 04:59 MST |  Mostly Cloudy Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | SW 9 kph (SW 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 031159Z 23005KT 10SM -SN FEW018 SCT024 BKN050 M09/M12 A3027 RMK AO2 SNB59 P0000 |
| 04:53 MST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KBIL 031153Z 23005KT 10SM BKN020 BKN024 OVC050 M09/M12 A3027 RMK AO2 SLP305 60000 T10941122 11089 21106 58002 |
| 03:53 MST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 031053Z 22004KT 10SM FEW023 OVC050 M09/M12 A3027 RMK AO2 SNE13 SLP304 P0000 T10941117 |
| 02:53 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KBIL 030953Z 00000KT 10SM -SN FEW023 BKN031 OVC055 M09/M12 A3028 RMK AO2 SLP306 P0000 T10941122 |
| 02:45 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KBIL 030945Z 00000KT 10SM -SN FEW021 OVC031 M09/M12 A3028 RMK AO2 P0000 |
| 02:34 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KBIL 030934Z 00000KT 10SM -SN SCT020 BKN029 OVC035 M10/M13 A3028 RMK AO2 P0000 |
| 01:53 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KBIL 030853Z 00000KT 10SM -SN FEW020 SCT031 OVC060 M09/M12 A3027 RMK AO2 SLP305 P0000 60000 T10941117 50002 |
| 00:53 MST |  Mostly Cloudy Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | NW 6 kph (NW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 030753Z 32003KT 10SM -SN SCT021 BKN033 BKN060 M10/M13 A3028 RMK AO2 SNE20B36 SLP310 P0000 T11001128 |