| 14:53 MST |  Mostly Cloudy | -5°C / 23°F | -12°C / 10°F | 58% | 1022 mb (30.18 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 022153Z 36006KT 10SM FEW042 SCT055 BKN075 M05/M12 A3019 RMK AO2 SNE00 SLP278 SHSN DSNT W-SE P0000 T10501122 |
| 13:53 MST |  Mostly Cloudy Light Snow | -5°C / 23°F | -11°C / 12°F | 63% | 1022 mb (30.18 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 022053Z 01007KT 10SM -SN BKN034 M05/M11 A3018 RMK AO2 SNB47 SLP273 P0000 60000 T10501111 56007 |
| 12:53 MST |  Mostly Cloudy | -7°C / 19°F | -13°C / 9°F | 63% | 1022 mb (30.18 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KBIL 021953Z 23007KT 10SM FEW043 BKN055 BKN070 M07/M13 A3018 RMK AO2 SLP278 VIRGA S-W VCSH N-NE T10721133 |
| 11:53 MST |  Partly Cloudy | -8°C / 18°F | -15°C / 5°F | 58% | 1022 mb (30.18 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KBIL 021853Z 23011KT 10SM FEW040 M08/M15 A3019 RMK AO2 SLP282 SHSN DSNT N-E T10831150 |
| 10:53 MST |  Partly Cloudy | -10°C / 14°F | -16°C / 3°F | 62% | 1023 mb (30.21 in) | SW 22 kph (SW 13.8 mph) | - | 10SM |
| | KBIL 021753Z 22012KT 10SM FEW060 M10/M16 A3021 RMK AO2 SLP289 SHSN DSNT N-NE T11001161 11100 21139 50002 |
| 09:53 MST |  Partly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | SW 22 kph (SW 13.8 mph) | - | 10SM |
| | KBIL 021653Z 21012KT 10SM FEW050 SCT090 M12/M17 A3022 RMK AO2 SLP295 SHSN DSNT S T11171167 |
| 08:53 MST |  Partly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KBIL 021553Z 22009KT 10SM FEW060 SCT100 M12/M17 A3022 RMK AO2 SLP294 SHSN DSNT S T11221172 |
| 07:53 MST |  Partly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1023 mb (30.21 in) | SW 26 kph (SW 16.1 mph) | - | 10SM |
| | KBIL 021453Z 23014KT 10SM FEW100 M13/M18 A3020 RMK AO2 SLP287 T11331178 51011 |
| 06:53 MST |  Partly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1023 mb (30.21 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KBIL 021353Z 24013KT 10SM FEW100 M13/M18 A3020 RMK AO2 SLP285 T11281178 |
| 05:53 MST |  Partly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KBIL 021253Z 23013KT 10SM FEW100 M13/M18 A3018 RMK AO2 SLP281 T11331183 |
| 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 |