| 17:55 MST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1015 mb (29.97 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KAFF 270055Z AUTO 04006KT 10SM OVC055 M06/M11 A2997 RMK AO2 SLP224 T10571106 |
| 16:55 MST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1014 mb (29.94 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KAFF 262355Z AUTO 35007KT 330V060 10SM CLR M06/M11 A2995 RMK AO2 SLP208 60000 T10551111 11017 21055 51020 |
| 15:55 MST |  Clear | -4°C / 25°F | -11°C / 12°F | 59% | 1014 mb (29.94 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 262255Z AUTO 36014KT 10SM CLR M04/M11 A2993 RMK AO2 PK WND 36027/2201 SLP189 T10391109 |
| 14:55 MST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | N 39 kph (N 24.2 mph) | - | 10SM |
| | KAFF 262155Z AUTO 35021G26KT 10SM CLR M02/M11 A2990 RMK AO2 PK WND 01028/2120 SLP173 T10241111 |
| 13:55 MST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | 1012 mb (29.88 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 262055Z AUTO 01016G22KT 10SM CLR M02/M10 A2987 RMK AO2 SLP169 60000 T10171097 58010 |
| 12:55 MST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1012 mb (29.88 in) | NNW 28 kph (NNW 17.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261955Z AUTO 34015G22KT 10SM CLR M03/M09 A2989 RMK AO2 DZE1924 SLP175 P0000 T10251094 |
| 12:24 MST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1012 mb (29.88 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 261924Z AUTO 36016G19KT 10SM SCT031 M03/M08 A2989 RMK AO2 DZE1924 SLP176 |
| 12:10 MST |  Overcast Drizzle | -3°C / 27°F | -8°C / 18°F | 69% | 1013 mb (29.91 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 261910Z AUTO 35014G19KT 330V110 10SM -DZ OVC031 M03/M08 A2990 RMK AO2 SLP178 |
| 12:03 MST |  Mostly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 261903Z AUTO 36014KT 10SM BKN030 M04/M08 A2990 RMK AO2 DZE1903 SLP179 |
| 11:55 MST |  Mostly Cloudy Drizzle | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 24 kph (N 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261855Z AUTO 35013KT 10SM -DZ BKN037 M04/M08 A2990 RMK AO2 UPE1804B1819E1822DZB1822E1824B1851 SLP187 P0000 T10401082 |
| 11:51 MST |  Mostly Cloudy Drizzle | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261851Z AUTO 36013KT 10SM -DZ BKN043 M04/M08 A2990 RMK AO2 UPE1804B1819E1822DZB1822E1824B1851 SLP187 |
| 11:24 MST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1013 mb (29.91 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 261824Z AUTO 36016KT 10SM SCT040 M03/M08 A2991 RMK AO2 UPE1804B1819E1822DZB1822E1824 SLP188 |
| 11:19 MST |  Partly Cloudy Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 1013 mb (29.91 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 261819Z AUTO 35015KT 10SM UP FEW005 SCT029 M04/M09 A2991 RMK AO2 UPE1804B1819 FEW V SCT SLP188 |
| 11:04 MST |  Mostly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KAFF 261804Z AUTO 34014KT 280V360 10SM SCT017 BKN031 M04/M08 A2991 RMK AO2 UPE1804 SLP195 |
| 11:02 MST |  Mostly Cloudy Unknown Precip | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 261802Z AUTO 35014KT 10SM UP SCT016 BKN031 M04/M08 A2991 RMK AO2 SLP195 |
| 10:55 MST |  Mostly Cloudy Unknown Precip | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 28 kph (N 17.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261755Z AUTO 35015KT 10SM UP BKN017 BKN032 M04/M08 A2991 RMK AO2 PK WND 34026/1708 SLP196 P0000 60000 T10441083 11042 21128 50008 |
| 10:52 MST |  Overcast Unknown Precip | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 261752Z AUTO 36014KT 10SM UP BKN018 OVC032 M04/M08 A2991 RMK AO2 PK WND 34026/1708 SLP196 |
| 10:49 MST |  Overcast Unknown Precip | -5°C / 23°F | -8°C / 18°F | 80% | 1013 mb (29.91 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 261749Z AUTO 35016KT 300V360 10SM UP OVC023 M05/M08 A2991 RMK AO2 PK WND 34026/1708 SLP196 |
| 10:47 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 261747Z AUTO 35015KT 10SM UP OVC026 M05/M09 A2991 RMK AO2 PK WND 34026/1708 SLP197 |
| 10:44 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 261744Z AUTO 36015KT 10SM UP BKN023 OVC034 M05/M09 A2991 RMK AO2 PK WND 34026/1708 SLP197 |
| 10:41 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | N 33 kph (N 20.7 mph) | - | 10SM |
| | KAFF 261741Z AUTO 35018G21KT 10SM UP OVC027 M05/M09 A2992 RMK AO2 PK WND 34026/1708 SLP198 |
| 10:39 MST |  Overcast Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 1013 mb (29.91 in) | N 33 kph (N 20.7 mph) | - | 10SM |
| | KAFF 261739Z AUTO 36018G21KT 10SM UP BKN024 OVC034 M04/M09 A2992 RMK AO2 PK WND 34026/1708 SLP198 |
| 10:26 MST |  Overcast Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 1013 mb (29.91 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 261726Z AUTO 35016G23KT 290V010 10SM UP OVC029 M04/M09 A2992 RMK AO2 PK WND 34026/1708 SLP198 |
| 10:24 MST |  Overcast Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 1013 mb (29.91 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 261724Z AUTO 35016G23KT 320V070 10SM UP OVC030 M04/M09 A2992 RMK AO2 PK WND 34026/1708 SLP199 |
| 10:20 MST |  Overcast Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 1013 mb (29.91 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 261720Z AUTO 35015G22KT 10SM UP OVC028 M04/M09 A2992 RMK AO2 PK WND 34026/1708 SLP199 |
| 10:12 MST |  Overcast Unknown Precip | -4°C / 25°F | -10°C / 14°F | 63% | 1013 mb (29.91 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KAFF 261712Z AUTO 33017G26KT 10SM UP OVC031 M04/M10 A2992 RMK AO2 PK WND 34026/1708 SLP199 |
| 10:05 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KAFF 261705Z AUTO 34015G23KT 270V360 10SM UP OVC027 M05/M09 A2992 RMK AO2 SLP198 |
| 10:04 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KAFF 261704Z AUTO 34016G19KT 270V360 10SM UP SCT014 OVC032 M05/M09 A2992 RMK AO2 SLP198 |
| 10:03 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KAFF 261703Z AUTO 34016G23KT 10SM UP OVC027 M05/M09 A2992 RMK AO2 SLP198 |
| 10:01 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KAFF 261701Z AUTO 34012G23KT 10SM UP SCT013 SCT018 OVC037 M05/M09 A2992 RMK AO2 SLP198 |
| 09:59 MST |  Overcast Unknown Precip | -5°C / 23°F | -9°C / 16°F | 74% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KAFF 261659Z AUTO 34016G23KT 10SM UP OVC029 M05/M09 A2992 RMK AO2 SLP198 |
| 09:55 MST |  Overcast Unknown Precip | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261655Z AUTO 34016G23KT 10SM UP OVC031 M05/M10 A2992 RMK AO2 PK WND 34030/1639 UPB1649DZB1602E1612B1627E1630 SLP198 P0000 T10491096 |
| 09:50 MST |  Overcast Unknown Precip | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KAFF 261650Z AUTO 34017G30KT 10SM UP OVC032 M05/M10 A2991 RMK AO2 PK WND 34030/1639 UPB1649DZB1602E1612B1627E1630 SLP195 |
| 09:49 MST |  Overcast Unknown Precip | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KAFF 261649Z AUTO 34017G30KT 10SM UP OVC026 M05/M10 A2991 RMK AO2 PK WND 34030/1639 UPB1649DZB1602E1612B1627E1630 OVC V BKN SLP196 |
| 09:30 MST |  Mostly Cloudy | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | NNW 35 kph (NNW 21.9 mph) | - | 10SM |
| | KAFF 261630Z AUTO 34019G27KT 330V060 10SM FEW011 SCT026 BKN036 M05/M10 A2990 RMK AO2 PK WND 34027/1628 DZB1602E1612B1627E1630 FEW V SCT SLP192 |
| 09:27 MST |  Mostly Cloudy Drizzle | -5°C / 23°F | -10°C / 14°F | 68% | 1013 mb (29.91 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KAFF 261627Z AUTO 34015G22KT 10SM -DZ FEW011 BKN033 M05/M10 A2990 RMK AO2 DZB1602E1612B1627 SLP192 |
| 09:12 MST |  Partly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1012 mb (29.88 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 261612Z AUTO 35017G24KT 330V080 10SM FEW011 SCT036 M06/M11 A2989 RMK AO2 DZB1602E1612 SLP196 |
| 09:02 MST |  Partly Cloudy Drizzle | -6°C / 21°F | -11°C / 12°F | 68% | 1012 mb (29.88 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 261602Z AUTO 35014KT 10SM -DZ FEW022 M06/M11 A2989 RMK AO2 DZB1602 SLP195 |
| 08:55 MST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | N 26 kph (N 16.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261555Z AUTO 35014KT 10SM FEW022 M07/M11 A2989 RMK AO2 SNE1501B1506E1546DZB1546E1552 SLP194 P0000 T10661114 |
| 08:52 MST |  Partly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1012 mb (29.88 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 261552Z AUTO 36015KT 10SM FEW020 M07/M11 A2989 RMK AO2 SNE1501B1506E1546DZB1546E1552 SLP194 |
| 08:30 MST |  Partly Cloudy Light Snow | -7°C / 19°F | -13°C / 9°F | 63% | 1012 mb (29.88 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KAFF 261530Z AUTO 35012KT 10SM -SN SCT020 M07/M13 A2988 RMK AO2 SNE1501B1506 SLP193 |
| 08:21 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KAFF 261521Z AUTO 35012KT 10SM -SN BKN020 M08/M13 A2988 RMK AO2 SNE1501B1506 SLP193 |
| 08:17 MST |  Partly Cloudy Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KAFF 261517Z AUTO 35012KT 10SM -SN SCT020 M08/M13 A2989 RMK AO2 SNE1501B1506 SLP194 |
| 08:14 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261514Z AUTO 35013KT 10SM -SN BKN020 M08/M13 A2988 RMK AO2 SNE1501B1506 SLP193 |
| 08:13 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261513Z AUTO 35013KT 320V050 10SM -SN SCT017 BKN028 M08/M13 A2989 RMK AO2 SNE1501B1506 SLP194 |
| 08:06 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -14°C / 7°F | 62% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261506Z AUTO 35013KT 10SM -SN BKN017 BKN025 M08/M14 A2988 RMK AO2 SNE1501B1506 SLP193 |
| 08:05 MST |  Mostly Cloudy | -8°C / 18°F | -14°C / 7°F | 62% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261505Z AUTO 35013KT 10SM BKN019 M08/M14 A2988 RMK AO2 SNE1501 SLP193 |
| 08:03 MST |  Mostly Cloudy | -8°C / 18°F | -15°C / 5°F | 58% | 1012 mb (29.88 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 261503Z AUTO 35013KT 290V010 10SM BKN023 M08/M15 A2988 RMK AO2 SNE1501 SLP192 |
| 08:01 MST |  Mostly Cloudy | -8°C / 18°F | -15°C / 5°F | 58% | 1012 mb (29.88 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KAFF 261501Z AUTO 35011KT 10SM BKN027 M08/M15 A2988 RMK AO2 SNE1501 SLP192 |
| 07:57 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -16°C / 3°F | 53% | 1012 mb (29.88 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KAFF 261457Z AUTO 34010KT 10SM -SN BKN028 M08/M16 A2988 RMK AO2 SLP192 |
| 07:55 MST |  Mostly Cloudy Light Snow | -8°C / 18°F | -16°C / 3°F | 53% | 1012 mb (29.88 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 261455Z AUTO 34011KT 10SM -SN BKN033 M08/M16 A2988 RMK AO2 UPB1448E1450SNB1450 SLP192 P0000 60000 T10851160 53018 |
| 07:48 MST |  Mostly Cloudy Unknown Precip | -9°C / 16°F | -17°C / 1°F | 53% | 1012 mb (29.88 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KAFF 261448Z AUTO 34012KT 10SM UP FEW025 BKN043 M09/M17 A2988 RMK AO2 UPB1448 SLP190 |
| 06:55 MST |  Partly Cloudy | -11°C / 12°F | -17°C / 1°F | 62% | 1011 mb (29.85 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KAFF 261355Z AUTO 35008KT 10SM SCT047 M11/M17 A2985 RMK AO2 SLP188 T11091167 |
| 05:55 MST |  Partly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1010 mb (29.83 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KAFF 261255Z AUTO 36008KT 10SM FEW060 M12/M17 A2983 RMK AO2 SLP186 T11231166 |
| 04:55 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1009 mb (29.8 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KAFF 261155Z AUTO 35007KT 10SM CLR M12/M16 A2981 RMK AO2 SLP175 T11151163 11078 21118 53003 |
| 03:55 MST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1009 mb (29.8 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KAFF 261055Z AUTO 36005KT 10SM OVC055 M08/M14 A2980 RMK AO2 SLP156 T10811140 |
| 02:55 MST |  Overcast | -8°C / 18°F | -14°C / 7°F | 62% | 1009 mb (29.8 in) | NNE 19 kph (NNE 11.5 mph) | - | 10SM |
| | KAFF 260955Z AUTO 02010KT 10SM OVC070 M08/M14 A2980 RMK AO2 SLP148 T10831141 |
| 01:55 MST |  Mostly Cloudy | -9°C / 16°F | -13°C / 9°F | 73% | 1009 mb (29.8 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KAFF 260855Z AUTO 29004KT 10SM BKN065 M09/M13 A2981 RMK AO2 SLP158 T10951125 53001 |
| 00:55 MST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1009 mb (29.8 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KAFF 260755Z AUTO 32008KT 10SM CLR M09/M13 A2980 RMK AO2 SLP150 T10941128 |