| 09:11 MST |  Overcast Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 061611Z 04003KT 2SM -SN FEW004 OVC040 M16/M18 A3027 RMK AO2 P0000 $ |
| 08:53 MST |  Overcast Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBIL 061553Z 07003KT 4SM -SN BKN018 OVC038 M16/M18 A3027 RMK AO2 SLP318 VIS LWR W-NW P0000 T11561183 $ |
| 07:53 MST |  Overcast Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KBIL 061453Z 00000KT 8SM -SN OVC018 M16/M18 A3025 RMK AO2 SLP314 P0000 60000 T11561178 53008 $ |
| 06:53 MST |  Mostly Cloudy Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1024 mb (30.24 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIL 061353Z 03010KT 9SM -SN BKN016 BKN028 M16/M18 A3023 RMK AO2 SLP304 P0000 T11561183 $ |
| 05:53 MST |  Mostly Cloudy Light Snow | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIL 061253Z 02011KT 9SM -SN FEW025 BKN037 M16/M18 A3022 RMK AO2 SLP302 P0000 T11561183 $ |
| 05:26 MST |  Overcast Light Snow | -14°C / 7°F | -17°C / 1°F | 78% | 1023 mb (30.21 in) | NNE 22 kph (NNE 13.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 061226Z 02012G18KT 3SM -SN OVC035 M14/M17 A3022 RMK AO2 P0000 $ |
| 04:53 MST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1023 mb (30.21 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 061153Z 03010KT 2SM -SN OVC035 M14/M16 A3022 RMK AO2 SLP300 60000 70005 P0000 4/002 T11391161 11106 21139 51008 $ |
| 04:37 MST |  Overcast Light Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1024 mb (30.24 in) | NE 20 kph (NE 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBIL 061137Z 03011KT 2 1/2SM -SN BKN035 OVC043 M13/M16 A3023 RMK AO2 P0000 $ |
| 03:53 MST |  Overcast Light Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | NE 22 kph (NE 13.8 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBIL 061053Z 03012G19KT 5SM -SN OVC047 M13/M16 A3021 RMK AO2 SLP293 P0000 T11281161 $ |
| 02:53 MST |  Overcast Light Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060953Z 02009KT 3SM -SN BKN037 OVC049 M13/M16 A3021 RMK AO2 SLP292 P0000 T11281156 $ |
| 02:07 MST |  Overcast Light Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1023 mb (30.21 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 060907Z 03010KT 2SM -SN FEW025 OVC055 M12/M15 A3020 RMK AO2 P0000 $ |
| 01:53 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1023 mb (30.21 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060853Z 02007KT 3SM -SN FEW020 SCT027 OVC055 M12/M14 A3020 RMK AO2 SLP286 P0000 60000 T11221144 51013 $ |
| 01:25 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 060825Z 03007KT 2SM -SN FEW006 BKN022 OVC033 M12/M14 A3019 RMK AO2 P0000 $ |
| 01:11 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060811Z 02006KT 3SM -SN FEW008 BKN024 OVC033 M12/M14 A3019 RMK AO2 P0000 $ |
| 00:53 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBIL 060753Z 02006KT 5SM -SN BKN033 OVC040 M12/M14 A3018 RMK AO2 SLP279 P0000 T11221139 $ |
| 00:13 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060713Z 02007KT 3SM -SN SCT008 OVC037 M12/M14 A3018 RMK AO2 P0000 $ |
| 00:08 MST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 060708Z 03007KT 2SM -SN SCT010 OVC037 M12/M14 A3018 RMK AO2 P0000 $ |