| 10:52 MST |  Clear | -1°C / 30°F | -11°C / 12°F | 47% | 991 mb (29.26 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KALS 081752Z AUTO 30008G16KT 10SM CLR M01/M11 A2926 RMK AO2 PK WND 25035/1653 SLP896 60002 T10061111 11006 21050 51033 |
| 09:52 MST |  Clear | -3°C / 27°F | -12°C / 10°F | 50% | 990 mb (29.23 in) | SSW 46 kph (SSW 28.8 mph) | - | 10SM |
| | KALS 081652Z AUTO 25025G38KT 10SM CLR M03/M12 A2923 RMK AO2 PK WND 25039/1636 SLP892 T10281117 |
| 08:52 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 989 mb (29.21 in) | SW 44 kph (SW 27.6 mph) | - | 10SM |
| | KALS 081552Z AUTO 23024G31KT 10SM CLR M03/M08 A2920 RMK AO2 PK WND 23037/1508 SLP881 T10281083 |
| 07:52 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 987 mb (29.15 in) | SW 43 kph (SW 26.5 mph) | - | 10SM |
| | KALS 081452Z AUTO 22023G29KT 10SM CLR M04/M07 A2914 RMK AO2 PK WND 22029/1452 SLP864 60002 T10391072 56027 |
| 06:52 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 987 mb (29.15 in) | SW 32 kph (SW 19.6 mph) | - | 10SM |
| | KALS 081352Z AUTO 21017KT 10SM CLR M04/M08 A2916 RMK AO2 PK WND 22027/1304 SLP876 T10391078 |
| 05:52 MST |  Partly Cloudy | -2°C / 28°F | -7°C / 19°F | 69% | 989 mb (29.21 in) | SW 32 kph (SW 19.6 mph) | 0.51 mm (0.02 in) | 10SM |
| | KALS 081252Z AUTO 21017G28KT 10SM SCT090 M02/M07 A2920 RMK AO2 PK WND 24041/1153 UPB11E15SNE11 SLP887 P0002 T10221067 |
| 05:07 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 989 mb (29.21 in) | SW 43 kph (SW 26.5 mph) | 0.51 mm (0.02 in) | 3SM |
| | KALS 081207Z AUTO 22023G35KT 3SM -SN BR FEW002 BKN041 OVC065 M02/M03 A2921 RMK AO2 PK WND 24041/1153 P0002 |
| 05:04 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 990 mb (29.23 in) | SW 44 kph (SW 27.6 mph) | 0.25 mm (0.01 in) | 1SM |
| | KALS 081204Z AUTO 22024G37KT 1SM -SN BR FEW002 BKN030 OVC055 M02/M03 A2922 RMK AO2 PK WND 24041/1153 P0001 |
| 04:52 MST |  Overcast Snow | -1°C / 30°F | -3°C / 27°F | 86% | 990 mb (29.23 in) | SSW 70 kph (SSW 43.7 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KALS 081152Z AUTO 24038G53KT 1/2SM SN FZFG SQ FEW002 OVC025 M01/M03 A2924 RMK AO2 PK WND 22053/1149 UPB15E17B34E41SNE15B17E34B48 PRESRR SLP897 P0000 60003 70003 T10111028 10000 21011 55017 |
| 04:50 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 990 mb (29.23 in) | SW 74 kph (SW 46 mph) | 0.00 mm (0.00 in) | 1SM |
| | KALS 081150Z AUTO 22040G53KT 1SM -SN BR SQ FEW002 BKN029 OVC046 M01/M02 A2923 RMK AO2 PK WND 22053/1149 UPB15E17B34E41SNE15B17E34B48 PRESRR P0000 |
| 04:14 MST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 988 mb (29.18 in) | S 43 kph (S 26.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KALS 081114Z AUTO 18023G29KT 9SM -SN BKN035 OVC046 00/M03 A2918 RMK AO2 PK WND 19029/1110 P0000 |
| 03:52 MST |  Mostly Cloudy Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 989 mb (29.21 in) | S 32 kph (S 19.6 mph) | 0.00 mm (0.00 in) | 5SM |
| | KALS 081052Z AUTO 18017KT 5SM -SN BKN022 00/M03 A2920 RMK AO2 PK WND 19031/0958 UPB0954E0958SNE0954B0958 SLP876 P0000 T00001028 |
| 02:52 MST |  Mostly Cloudy Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 991 mb (29.26 in) | S 43 kph (S 26.5 mph) | 0.25 mm (0.01 in) | 6SM |
| | KALS 080952Z AUTO 19023G32KT 6SM -SN BR BKN017 M01/M03 A2927 RMK AO2 PK WND 19033/0930 SLP896 P0001 T10061028 |
| 02:47 MST |  Mostly Cloudy Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 991 mb (29.26 in) | S 43 kph (S 26.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KALS 080947Z AUTO 19023G32KT 3SM -SN BR BKN012 M01/M02 A2926 RMK AO2 PK WND 19033/0930 P0001 |
| 02:41 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 991 mb (29.26 in) | S 43 kph (S 26.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KALS 080941Z AUTO 19023G31KT 2SM -SN BR OVC007 M01/M02 A2927 RMK AO2 PK WND 19033/0930 P0001 |
| 02:02 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 992 mb (29.29 in) | S 35 kph (S 21.9 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KALS 080902Z AUTO 18019G24KT 1 1/4SM -SN BR BKN005 OVC011 M01/M02 A2929 RMK AO2 P0001 |
| 01:52 MST |  Obscured Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 992 mb (29.29 in) | S 32 kph (S 19.6 mph) | 0.00 mm (0.00 in) | 1SM |
| | KALS 080852Z AUTO 18017G24KT 1SM -SN BR VV006 M01/M02 A2930 RMK AO2 PK WND 18026/0832 SLP913 P0000 60002 T10061022 56044 |
| 01:37 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 993 mb (29.32 in) | S 33 kph (S 20.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KALS 080837Z AUTO 18018G26KT 1 1/2SM -SN BR OVC009 M01/M02 A2932 RMK AO2 PK WND 18026/0832 P0000 |
| 01:21 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 993 mb (29.32 in) | S 30 kph (S 18.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KALS 080821Z AUTO 18016G26KT 2 1/2SM -SN BR OVC013 M01/M02 A2933 RMK AO2 PK WND 18026/0814 P0000 |
| 00:52 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 994 mb (29.35 in) | S 33 kph (S 20.7 mph) | 0.25 mm (0.01 in) | 5SM |
| | KALS 080752Z AUTO 18018G24KT 5SM -SN BR FEW016 OVC021 M01/M02 A2936 RMK AO2 SLP925 P0001 T10061022 |
| 00:39 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 995 mb (29.38 in) | S 22 kph (S 13.8 mph) | 0.00 mm (0.00 in) | 4SM |
| | KALS 080739Z AUTO 18012G20KT 4SM -SN BR OVC019 M01/M02 A2937 RMK AO2 P0000 |
| 00:23 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 995 mb (29.38 in) | S 22 kph (S 13.8 mph) | 0.00 mm (0.00 in) | 2SM |
| | KALS 080723Z AUTO 18012KT 2SM -SN BR OVC015 M01/M02 A2939 RMK AO2 P0000 |
| 00:09 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 996 mb (29.41 in) | S 28 kph (S 17.3 mph) | 0.00 mm (0.00 in) | 4SM |
| | KALS 080709Z AUTO 17015G21KT 4SM -SN BR OVC017 M01/M02 A2940 RMK AO2 P0000 |
| 00:02 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 996 mb (29.41 in) | S 26 kph (S 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KALS 080702Z AUTO 17014G20KT 3SM -SN BR OVC013 M01/M02 A2940 RMK AO2 P0000 |