| 19:35 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | N 22 kph (N 13.8 mph) | - | 8SM |
| | KCOD 060235Z 01012G18KT 8SM OVC049 M13/M16 A3002 RMK AO1 |
| 19:15 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1016 mb (30 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KCOD 060215Z 01015G23KT 10SM OVC049 M12/M16 A3001 RMK AO1 |
| 18:55 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | NNE 32 kph (NNE 19.6 mph) | - | 6SM |
| | KCOD 060155Z 02017KT 6SM FEW020 OVC049 M12/M14 A3001 RMK AO1 |
| 18:35 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | N 20 kph (N 12.7 mph) | - | 5SM |
| | KCOD 060135Z 01011G15KT 5SM BKN020 BKN025 OVC049 M12/M14 A3001 RMK AO1 |
| 18:15 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | N 15 kph (N 9.2 mph) | - | 5SM |
| | KCOD 060115Z 36008G14KT 5SM BKN018 OVC025 M12/M14 A3001 RMK AO1 |
| 17:55 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | N 17 kph (N 10.4 mph) | - | 5SM |
| | KCOD 060055Z 36009KT 5SM BKN016 OVC021 M12/M14 A3001 RMK AO1 |
| 17:35 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | N 17 kph (N 10.4 mph) | - | 7SM |
| | KCOD 060035Z 35009G16KT 7SM BKN016 OVC022 M12/M14 A3000 RMK AO1 |
| 17:15 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1016 mb (30 in) | N 20 kph (N 12.7 mph) | - | 7SM |
| | KCOD 060015Z 35011G19KT 7SM BKN016 BKN022 OVC050 M12/M15 A2999 RMK AO1 |
| 16:55 MST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1015 mb (29.97 in) | N 22 kph (N 13.8 mph) | - | 6SM |
| | KCOD 052355Z 35012G18KT 6SM OVC018 M11/M14 A2998 RMK AO1 11060 21110 410101140 52027 |
| 16:35 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1015 mb (29.97 in) | N 22 kph (N 13.8 mph) | - | 5SM |
| | KCOD 052335Z 36012G15KT 5SM OVC018 M11/M13 A2998 RMK AO1 |
| 16:15 MST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1015 mb (29.97 in) | N 24 kph (N 15 mph) | - | 8SM |
| | KCOD 052315Z 36013G18KT 8SM BKN020 BKN026 OVC048 M11/M14 A2997 RMK AO1 |
| 15:55 MST |  Overcast | -10°C / 14°F | -16°C / 3°F | 62% | 1014 mb (29.94 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KCOD 052255Z 01016G24KT 10SM BKN048 OVC060 M10/M16 A2995 RMK AO1 |
| 15:35 MST |  Overcast | -10°C / 14°F | -14°C / 7°F | 73% | 1014 mb (29.94 in) | N 37 kph (N 23 mph) | - | 10SM |
| | KCOD 052235Z 01020G24KT 10SM OVC050 M10/M14 A2994 RMK AO1 |
| 15:15 MST |  Overcast | -9°C / 16°F | -14°C / 7°F | 67% | 1014 mb (29.94 in) | NNE 35 kph (NNE 21.9 mph) | - | 10SM |
| | KCOD 052215Z 02019G23KT 10SM FEW014 OVC050 M09/M14 A2994 RMK AO1 |
| 14:55 MST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1014 mb (29.94 in) | N 28 kph (N 17.3 mph) | - | 8SM |
| | KCOD 052155Z 01015G21KT 8SM SCT014 OVC050 M09/M13 A2993 RMK AO1 |
| 14:35 MST |  Overcast | -9°C / 16°F | -12°C / 10°F | 79% | 1013 mb (29.91 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KCOD 052135Z 02013G21KT 10SM FEW014 OVC050 M09/M12 A2991 RMK AO1 |
| 14:15 MST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1013 mb (29.91 in) | NNE 30 kph (NNE 18.4 mph) | - | 10SM |
| | KCOD 052115Z 02016G22KT 10SM FEW018 SCT025 OVC050 M08/M12 A2990 RMK AO1 |
| 13:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1013 mb (29.91 in) | NNE 32 kph (NNE 19.6 mph) | - | 10SM |
| | KCOD 052055Z 02017G23KT 10SM SCT013 BKN021 OVC049 M08/M11 A2990 RMK AO1 52007 |
| 13:35 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1012 mb (29.88 in) | NNE 30 kph (NNE 18.4 mph) | - | 10SM |
| | KCOD 052035Z 02016G20KT 10SM BKN014 BKN019 OVC047 M08/M11 A2989 RMK AO1 |
| 13:15 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1012 mb (29.88 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KCOD 052015Z 01014G17KT 10SM SCT014 BKN019 OVC045 M08/M11 A2989 RMK AO1 |
| 12:55 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1012 mb (29.88 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KCOD 051955Z 01016G21KT 10SM BKN016 OVC022 M08/M11 A2989 RMK AO1 |
| 12:35 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KCOD 051935Z 01013G18KT 10SM OVC018 M08/M11 A2989 RMK AO1 |
| 12:15 MST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1012 mb (29.88 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KCOD 051915Z 02013KT 10SM BKN016 OVC023 M08/M11 A2989 RMK AO1 |
| 11:55 MST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | N 32 kph (N 19.6 mph) | - | 7SM |
| | KCOD 051855Z 01017G21KT 7SM SCT019 OVC025 M07/M11 A2988 RMK AO1 |
| 11:35 MST |  Mostly Cloudy | -7°C / 19°F | -12°C / 10°F | 68% | 1012 mb (29.88 in) | NE 26 kph (NE 16.1 mph) | - | 10SM |
| | KCOD 051835Z 03014G18KT 10SM FEW017 SCT025 BKN045 M07/M12 A2988 RMK AO1 |
| 11:15 MST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KCOD 051815Z 03009G16KT 10SM OVC045 M07/M11 A2988 RMK AO1 |
| 10:55 MST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KCOD 051755Z 04006KT 10SM BKN045 M07/M11 A2988 RMK AO1 11070 21140 52014 |
| 10:35 MST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCOD 051735Z 00000KT 10SM FEW045 M07/M11 A2988 RMK AO1 |
| 10:15 MST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCOD 051715Z 00000KT 10SM CLR M07/M11 A2987 RMK AO1 |
| 09:55 MST |  Partly Cloudy | -8°C / 18°F | -12°C / 10°F | 73% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KCOD 051655Z 00000KT 10SM SCT070 M08/M12 A2987 RMK AO1 |
| 09:35 MST |  Mostly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCOD 051635Z 00000KT 10SM BKN070 M09/M12 A2986 RMK AO1 |
| 09:15 MST |  Partly Cloudy | -10°C / 14°F | -13°C / 9°F | 79% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCOD 051615Z 00000KT 10SM SCT060 M10/M13 A2986 RMK AO1 |
| 08:55 MST |  Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCOD 051555Z 00000KT 10SM BKN060 OVC070 M10/M12 A2986 RMK AO1 |
| 08:35 MST |  Overcast | -11°C / 12°F | -12°C / 10°F | 92% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KCOD 051535Z 00000KT 10SM FEW029 OVC070 M11/M12 A2985 RMK AO1 |
| 08:15 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCOD 051515Z 00000KT 10SM BKN029 BKN060 OVC070 M11/M13 A2984 RMK AO1 |
| 07:55 MST |  Overcast | -12°C / 10°F | -12°C / 10°F | 100% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCOD 051455Z 00000KT 10SM BKN027 OVC095 M12/M12 A2984 RMK AO1 52014 |
| 07:35 MST |  Mostly Cloudy | -12°C / 10°F | -12°C / 10°F | 100% | 1010 mb (29.83 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KCOD 051435Z 02004KT 10SM FEW027 SCT070 BKN095 M12/M12 A2983 RMK AO1 |
| 07:15 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1010 mb (29.83 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KCOD 051415Z 19003KT 10SM SCT027 OVC095 M12/M16 A2982 RMK AO1 |
| 06:55 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCOD 051355Z 00000KT 10SM OVC027 M11/M13 A2982 RMK AO1 |
| 06:35 MST |  Mostly Cloudy | -11°C / 12°F | -13°C / 9°F | 85% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCOD 051335Z 00000KT 10SM BKN027 M11/M13 A2982 RMK AO1 |
| 06:15 MST |  Mostly Cloudy | -12°C / 10°F | -13°C / 9°F | 92% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051315Z 00000KT 10SM FEW029 BKN090 M12/M13 A2981 RMK AO1 |
| 05:55 MST |  Mostly Cloudy | -12°C / 10°F | -14°C / 7°F | 85% | 1009 mb (29.8 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOD 051255Z 19004KT 10SM BKN100 M12/M14 A2980 RMK AO1 |
| 05:35 MST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051235Z 00000KT 10SM SCT029 M11/M14 A2980 RMK AO1 |
| 05:15 MST |  Partly Cloudy | -10°C / 14°F | -12°C / 10°F | 85% | 1009 mb (29.8 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KCOD 051215Z 18003KT 10SM SCT027 M10/M12 A2980 RMK AO1 |
| 04:55 MST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051155Z 00000KT 10SM FEW075 SCT100 M09/M12 A2980 RMK AO1 11020 21090 52010 |
| 04:35 MST |  Overcast | -9°C / 16°F | -14°C / 7°F | 67% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051135Z 00000KT 10SM OVC110 M09/M14 A2980 RMK AO1 |
| 04:15 MST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051115Z 00000KT 10SM OVC110 M07/M12 A2980 RMK AO1 |
| 03:55 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KCOD 051055Z 00000KT 10SM FEW031 BKN040 OVC110 M07/M13 A2980 RMK AO1 |
| 03:35 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1009 mb (29.8 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KCOD 051035Z 33003KT 10SM SCT043 BKN048 OVC050 M07/M13 A2980 RMK AO1 |
| 03:15 MST |  Overcast | -7°C / 19°F | -14°C / 7°F | 58% | 1009 mb (29.8 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KCOD 051015Z 33004KT 10SM SCT039 OVC055 M07/M14 A2980 RMK AO1 |
| 02:55 MST |  Overcast | -7°C / 19°F | -14°C / 7°F | 58% | 1009 mb (29.8 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KCOD 050955Z 36006KT 10SM BKN039 BKN047 OVC050 M07/M14 A2980 RMK AO1 |
| 02:35 MST |  Overcast | -6°C / 21°F | -13°C / 9°F | 58% | 1009 mb (29.8 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KCOD 050935Z 02007KT 10SM BKN055 BKN065 OVC070 M06/M13 A2979 RMK AO1 |
| 02:15 MST |  Overcast | -5°C / 23°F | -13°C / 9°F | 54% | 1008 mb (29.77 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KCOD 050915Z 29004KT 10SM BKN070 OVC080 M05/M13 A2978 RMK AO1 |
| 01:55 MST |  Overcast | -7°C / 19°F | -13°C / 9°F | 63% | 1008 mb (29.77 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCOD 050855Z 27005KT 10SM OVC080 M07/M13 A2977 RMK AO1 52010 |
| 01:35 MST |  Overcast | -7°C / 19°F | -14°C / 7°F | 58% | 1008 mb (29.77 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KCOD 050835Z 01005KT 10SM OVC080 M07/M14 A2976 RMK AO1 |
| 01:15 MST |  Overcast | -6°C / 21°F | -14°C / 7°F | 54% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KCOD 050815Z 00000KT 10SM OVC090 M06/M14 A2976 RMK AO1 |
| 00:55 MST |  Mostly Cloudy | -6°C / 21°F | -14°C / 7°F | 54% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KCOD 050755Z 00000KT 10SM BKN100 BKN120 M06/M14 A2975 RMK AO1 |
| 00:35 MST |  Mostly Cloudy | -4°C / 25°F | -14°C / 7°F | 46% | 1007 mb (29.74 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KCOD 050735Z 34003KT 10SM SCT100 BKN120 M04/M14 A2974 RMK AO1 |
| 00:15 MST |  Mostly Cloudy | -3°C / 27°F | -14°C / 7°F | 43% | 1007 mb (29.74 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KCOD 050715Z 31006KT 10SM BKN100 M03/M14 A2974 RMK AO1 |