| 22:53 MST |  Overcast Light Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1021 mb (30.15 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 8SM |
| | KBIL 060553Z 01012KT 8SM -SN BKN049 OVC060 M11/M14 A3016 RMK AO2 SLP266 4/001 P0000 60001 T11061139 11078 21106 53013 $ |
| 21:53 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1021 mb (30.15 in) | NNE 22 kph (NNE 13.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060453Z 02012KT 3SM -SN BKN049 OVC065 M10/M13 A3014 RMK AO2 SLP259 P0000 T11001128 $ |
| 21:24 MST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1021 mb (30.15 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 060424Z 01012KT 3SM -SN FEW027 BKN040 OVC070 M10/M13 A3014 RMK AO2 P0000 $ |
| 20:53 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1020 mb (30.12 in) | NE 17 kph (NE 10.4 mph) | 0.25 mm (0.01 in) | 3SM |
| | KBIL 060353Z 03009KT 3SM -SN BKN019 OVC027 M09/M12 A3013 RMK AO2 SLP254 P0001 T10941122 $ |
| 19:53 MST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1020 mb (30.12 in) | SSW 7 kph (SSW 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBIL 060253Z 26004KT 4SM -SN BR FEW023 BKN036 OVC049 M09/M11 A3011 RMK AO2 SNB10 SLP248 P0000 60000 T10891111 51015 $ |
| 18:53 MST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1019 mb (30.09 in) | NNW 6 kph (NNW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 060153Z 34003KT 10SM OVC080 M08/M13 A3010 RMK AO2 SNE25 SLP246 P0000 T10831128 $ |
| 17:53 MST |  Overcast Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 060053Z 36007KT 10SM -SN OVC041 M08/M13 A3009 RMK AO2 SNB50 SLP238 P0000 T10781133 $ |
| 16:53 MST |  Overcast | -8°C / 18°F | -13°C / 9°F | 68% | 1018 mb (30.06 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KBIL 052353Z 36007KT 10SM OVC060 M08/M13 A3006 RMK AO2 SLP234 60004 T10831128 11044 21083 51023 $ |
| 16:19 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1018 mb (30.06 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIL 052319Z 33008KT 9SM FEW010 BKN050 OVC060 M08/M11 A3005 RMK AO2 SNE14 P0000 $ |
| 16:03 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1018 mb (30.06 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBIL 052303Z 32009KT 4SM -SN SCT010 BKN017 BKN030 M08/M11 A3005 RMK AO2 P0000 $ |
| 15:53 MST |  Overcast Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1017 mb (30.03 in) | NNW 11 kph (NNW 6.9 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KBIL 052253Z 33006KT 1/2SM R10L/3000VP6000FT SN FZFG SCT010 BKN017 OVC032 M08/M10 A3004 RMK AO2 SLP224 P0001 T10781100 $ |
| 15:32 MST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1017 mb (30.03 in) | NNW 13 kph (NNW 8.1 mph) | 0.25 mm (0.01 in) | 2SM |
| | KBIL 052232Z 34007KT 2SM R10L/5000VP6000FT -SN SCT008 BKN014 OVC030 M07/M10 A3004 RMK AO2 P0001 $ |
| 15:14 MST |  Overcast Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1017 mb (30.03 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KBIL 052214Z 36008KT 1/2SM R10L/4000V4500FT SN BKN008 OVC016 M07/M10 A3003 RMK AO2 P0000 $ |
| 14:53 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1017 mb (30.03 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBIL 052153Z 01007KT 1SM R10L/3500VP6000FT -SN SCT008 BKN013 OVC018 M07/M09 A3002 RMK AO2 SLP213 P0000 T10721094 $ |
| 14:35 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1016 mb (30 in) | NNE 19 kph (NNE 11.5 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KBIL 052135Z 02010KT 1/2SM R10L/3500VP6000FT -SN FEW011 BKN016 OVC034 M07/M09 A3001 RMK AO2 P0000 $ |
| 14:31 MST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1016 mb (30 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBIL 052131Z 01009KT 1 1/2SM R10L/4000VP6000FT -SN FEW011 BKN017 OVC034 M07/M10 A3001 RMK AO2 P0000 $ |
| 14:14 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1016 mb (30 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBIL 052114Z 35012KT 2 1/2SM -SN FEW009 SCT016 OVC030 M07/M09 A3000 RMK AO2 P0000 $ |
| 13:53 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1016 mb (30 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBIL 052053Z 01009KT 1 1/4SM R10L/5500VP6000FT -SN BKN016 BKN021 OVC026 M07/M09 A2999 RMK AO2 SLP202 P0000 60000 T10671094 53011 $ |
| 13:43 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1015 mb (29.97 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBIL 052043Z 02011KT 1 1/2SM -SN BKN019 BKN025 OVC033 M07/M09 A2998 RMK AO2 P0000 $ |
| 13:27 MST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1015 mb (29.97 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBIL 052027Z 01011KT 1SM R10L/4500VP6000FT -SN BR BKN014 OVC025 M07/M09 A2998 RMK AO2 P0000 $ |
| 13:13 MST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1015 mb (29.97 in) | N 19 kph (N 11.5 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBIL 052013Z 01010KT 1 1/4SM R10L/4000VP6000FT -SN FEW010 BKN015 OVC025 M06/M09 A2997 RMK AO2 P0000 $ |
| 12:53 MST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1015 mb (29.97 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBIL 051953Z 35011KT 2 1/2SM -SN BKN026 BKN032 OVC039 M06/M10 A2997 RMK AO2 SNB46 SLP191 P0000 T10561100 $ |
| 11:53 MST |  Overcast | -4°C / 25°F | -11°C / 12°F | 59% | 1015 mb (29.97 in) | N 24 kph (N 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 051853Z 36013KT 10SM FEW022 BKN050 OVC085 M04/M11 A2996 RMK AO2 SNE17 SLP186 P0000 T10441111 $ |
| 11:42 MST |  Overcast | -5°C / 23°F | -11°C / 12°F | 63% | 1015 mb (29.97 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIL 051842Z 36012KT 10SM FEW022 BKN047 OVC085 M05/M11 A2996 RMK AO2 SNE17 P0000 $ |
| 10:53 MST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1014 mb (29.94 in) | N 26 kph (N 16.1 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBIL 051753Z 36014KT 4SM -SN BKN029 BKN037 OVC044 M06/M09 A2995 RMK AO2 SLP184 P0000 60000 T10561094 11039 21072 51027 $ |
| 10:34 MST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1014 mb (29.94 in) | NNW 11 kph (NNW 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIL 051734Z 33006KT 3SM -SN BKN023 OVC029 M06/M08 A2995 RMK AO2 P0000 $ |
| 10:30 MST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1014 mb (29.94 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KBIL 051730Z 33008KT 1 3/4SM R10L/6000VP6000FT -SN BKN023 OVC029 M06/M08 A2995 RMK AO2 P0000 $ |
| 10:11 MST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1014 mb (29.94 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBIL 051711Z 01011KT 1 1/4SM R10L/5500VP6000FT -SN OVC026 M06/M09 A2995 RMK AO2 P0000 $ |
| 10:02 MST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1014 mb (29.94 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIL 051702Z 35011KT 2SM -SN FEW023 BKN028 OVC034 M06/M09 A2994 RMK AO2 P0000 $ |
| 09:53 MST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1014 mb (29.94 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBIL 051653Z 34011KT 5SM -SN BKN026 OVC032 M05/M10 A2994 RMK AO2 SNB34 SLP175 P0000 T10501100 |
| 09:40 MST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1014 mb (29.94 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBIL 051640Z 01009KT 7SM -SN FEW021 BKN026 OVC047 M05/M10 A2993 RMK AO2 SNB34 P0000 |
| 08:53 MST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1012 mb (29.88 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KBIL 051553Z 35009KT 10SM FEW046 BKN055 BKN090 M06/M11 A2989 RMK AO2 SLP163 SHSN DSNT SE-SW T10561106 |
| 07:53 MST |  Mostly Cloudy | -4°C / 25°F | -11°C / 12°F | 59% | 1011 mb (29.85 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KBIL 051453Z 32015KT 10SM BKN046 BKN060 BKN110 M04/M11 A2986 RMK AO2 PK WND 31027/1428 SLP150 SHSN DSNT SE-SW T10441106 53012 |
| 06:53 MST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1010 mb (29.83 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KBIL 051353Z 25009KT 10SM SCT047 SCT060 OVC095 M06/M11 A2984 RMK AO2 SLP144 T10611111 |
| 05:53 MST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1010 mb (29.83 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KBIL 051253Z 29011KT 10SM BKN060 OVC085 M06/M11 A2983 RMK AO2 SLP141 T10561106 |
| 04:53 MST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1010 mb (29.83 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBIL 051153Z 27009KT 10SM CLR M07/M11 A2982 RMK AO2 SLP141 T10721111 11033 21072 50008 |
| 03:53 MST |  Partly Cloudy | -7°C / 19°F | -12°C / 10°F | 68% | 1010 mb (29.83 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KBIL 051053Z 27009KT 10SM FEW110 M07/M12 A2982 RMK AO2 SLP138 T10671117 |
| 02:53 MST |  Partly Cloudy | -6°C / 21°F | -12°C / 10°F | 63% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KBIL 050953Z 30007KT 10SM FEW120 M06/M12 A2981 RMK AO2 SLP130 T10561122 |
| 01:53 MST |  Partly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1009 mb (29.8 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KBIL 050853Z 23006KT 10SM SCT120 M06/M11 A2980 RMK AO2 SLP125 T10561106 53009 |
| 00:53 MST |  Mostly Cloudy | -4°C / 25°F | -10°C / 14°F | 63% | 1008 mb (29.77 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KBIL 050753Z 31009KT 10SM BKN100 M04/M10 A2978 RMK AO2 SLP120 T10441100 |