| 19:53 MST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1003 mb (29.62 in) | SSW 48 kph (SSW 29.9 mph) | - | 10SM |
| | KLVS 090253Z AUTO 25026KT 10SM CLR M06/M11 A2961 RMK AO2 PK WND 25032/0222 SLP033 T10561111 53023 |
| 18:53 MST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1002 mb (29.59 in) | SSW 46 kph (SSW 28.8 mph) | - | 10SM |
| | KLVS 090153Z AUTO 24025KT 10SM CLR M06/M11 A2958 RMK AO2 PK WND 24032/0142 SLP034 T10561106 |
| 17:53 MST |  Clear | -5°C / 23°F | -11°C / 12°F | 63% | 1001 mb (29.56 in) | SSW 37 kph (SSW 23 mph) | - | 10SM |
| | KLVS 090053Z AUTO 24020G30KT 10SM CLR M05/M11 A2956 RMK AO2 PK WND 25032/0004 SLP022 T10501106 |
| 16:53 MST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1000 mb (29.53 in) | SSW 48 kph (SSW 29.9 mph) | - | 10SM |
| | KLVS 082353Z AUTO 25026G32KT 10SM CLR M04/M09 A2953 RMK AO2 PK WND 25037/2321 SLP012 60000 T10391094 11006 21044 51030 |
| 15:53 MST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 999 mb (29.5 in) | SSW 52 kph (SSW 32.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KLVS 082253Z AUTO 25028G37KT 10SM CLR M03/M08 A2950 RMK AO2 PK WND 25037/2248 UPB2156E2157 SLP998 P0000 T10281083 |
| 14:53 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 998 mb (29.47 in) | SSW 48 kph (SSW 29.9 mph) | - | 8SM |
| | KLVS 082153Z AUTO 26026G40KT 8SM CLR M01/M08 A2947 RMK AO2 PK WND 27040/2145 SLP983 T10111083 |
| 13:53 MST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 996 mb (29.41 in) | SSW 48 kph (SSW 29.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KLVS 082053Z AUTO 26026G35KT 10SM CLR M02/M08 A2942 RMK AO2 PK WND 27039/2031 UPB15E51 SLP970 P0000 60000 T10171078 53011 |
| 12:53 MST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 995 mb (29.38 in) | W 43 kph (W 26.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KLVS 081953Z AUTO 28023G38KT 9SM CLR M01/M09 A2938 RMK AO2 PK WND 27040/1902 UPB16E50 SLP953 P0000 T10111089 |
| 12:08 MST |  Clear Blowing Snow | -4°C / 25°F | -7°C / 19°F | 80% | 994 mb (29.35 in) | SSW 54 kph (SSW 33.4 mph) | - | 4SM |
| | KLVS 081908Z AUTO 26029G40KT 4SM BLSN CLR M04/M07 A2936 RMK AO2 PK WND 27040/1902 |
| 11:53 MST |  Clear Blowing Snow | -4°C / 25°F | -7°C / 19°F | 80% | 994 mb (29.35 in) | SSW 63 kph (SSW 39.1 mph) | - | 2 1/2SM |
| | KLVS 081853Z AUTO 26034G44KT 2 1/2SM BLSN CLR M04/M07 A2935 RMK AO2 PK WND 25044/1846 VIS 1 1/4V5 SLP951 T10391072 |
| 11:38 MST |  Clear Blowing Snow | -4°C / 25°F | -7°C / 19°F | 80% | 994 mb (29.35 in) | SSW 54 kph (SSW 33.4 mph) | - | 2 1/2SM |
| | KLVS 081838Z AUTO 25029G41KT 2 1/2SM BLSN CLR M04/M07 A2934 RMK AO2 PK WND 25043/1821 VIS 1 3/4V4 |
| 11:19 MST |  Clear Blowing Snow | -4°C / 25°F | -8°C / 18°F | 74% | 994 mb (29.35 in) | SSW 61 kph (SSW 38 mph) | - | 1 3/4SM |
| | KLVS 081819Z AUTO 26033G42KT 1 3/4SM BLSN CLR M04/M08 A2935 RMK AO2 PK WND 26042/1815 VIS 1 1/4V3 |
| 10:53 MST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 995 mb (29.38 in) | SSW 54 kph (SSW 33.4 mph) | 0.00 mm (0.00 in) | 8SM |
| | KLVS 081753Z AUTO 26029G37KT 8SM CLR M04/M08 A2938 RMK AO2 PK WND 26045/1717 UPE46 SLP962 P0000 60008 T10391083 11011 21067 50022 |
| 10:38 MST |  Clear Blowing Snow | -3°C / 27°F | -9°C / 16°F | 64% | 995 mb (29.38 in) | W 61 kph (W 38 mph) | 0.00 mm (0.00 in) | 4SM |
| | KLVS 081738Z AUTO 27033G40KT 4SM BLSN CLR M03/M09 A2939 RMK AO2 PK WND 26045/1717 UPE28 P0000 |
| 10:26 MST |  Clear Unknown Precip | -4°C / 25°F | -9°C / 16°F | 69% | 995 mb (29.38 in) | W 57 kph (W 35.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLVS 081726Z AUTO 27031G45KT 2SM UP CLR M04/M09 A2939 RMK AO2 PK WND 26045/1717 VIS 1 1/4V5 P0000 |
| 09:55 MST |  Clear Unknown Precip | -3°C / 27°F | -10°C / 14°F | 59% | 995 mb (29.38 in) | SSW 54 kph (SSW 33.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KLVS 081655Z AUTO 26029G42KT 3SM UP CLR M03/M10 A2939 RMK AO2 PK WND 26036/1655 P0000 |
| 09:53 MST |  Clear Unknown Precip | -3°C / 27°F | -10°C / 14°F | 59% | 995 mb (29.38 in) | W 61 kph (W 38 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLVS 081653Z AUTO 27033G42KT 1 3/4SM UP CLR M03/M10 A2939 RMK AO2 PK WND 27052/1643 SLP963 P0000 T10331100 |
| 09:43 MST |  Clear Unknown Precip | -3°C / 27°F | -9°C / 16°F | 64% | 995 mb (29.38 in) | W 69 kph (W 42.6 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KLVS 081643Z AUTO 27037G52KT 1 1/2SM UP CLR M03/M09 A2938 RMK AO2 PK WND 27052/1643 VIS 3/4V5 P0000 |
| 09:30 MST |  Clear Unknown Precip | -3°C / 27°F | -10°C / 14°F | 59% | 995 mb (29.38 in) | SSW 52 kph (SSW 32.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KLVS 081630Z AUTO 26028G38KT 3SM UP CLR M03/M10 A2939 RMK AO2 PK WND 27046/1609 P0000 |
| 09:15 MST |  Clear Unknown Precip | -3°C / 27°F | -9°C / 16°F | 64% | 995 mb (29.38 in) | W 67 kph (W 41.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLVS 081615Z AUTO 27036G46KT 1 3/4SM UP CLR M03/M09 A2938 RMK AO2 PK WND 27046/1609 VIS 3/4V5 P0000 |
| 09:05 MST |  Partly Cloudy Unknown Precip | -1°C / 30°F | -10°C / 14°F | 51% | 995 mb (29.38 in) | W 52 kph (W 32.2 mph) | 0.00 mm (0.00 in) | 7SM |
| | KLVS 081605Z AUTO 28028G34KT 7SM UP FEW070 M01/M10 A2938 RMK AO2 PK WND 26045/1554 P0000 |
| 08:53 MST |  Partly Cloudy Unknown Precip | -2°C / 28°F | -9°C / 16°F | 59% | 995 mb (29.38 in) | W 61 kph (W 38 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLVS 081553Z AUTO 27033G44KT 2SM UP SCT060 M02/M09 A2937 RMK AO2 PK WND 25053/1456 VIS 1 1/4V5 UPB1459E26B42SNE1459 SLP953 P0000 T10221094 |
| 08:49 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -8°C / 18°F | 69% | 995 mb (29.38 in) | W 57 kph (W 35.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLVS 081549Z AUTO 27031G45KT 1 3/4SM UP SCT065 M03/M08 A2937 RMK AO2 PK WND 25053/1456 VIS 1 1/4V4 UPB1459E26B42SNE1459 P0000 |
| 08:14 MST |  Mostly Cloudy Unknown Precip | -2°C / 28°F | -7°C / 19°F | 69% | 994 mb (29.35 in) | SSW 57 kph (SSW 35.7 mph) | 0.00 mm (0.00 in) | 5SM |
| | KLVS 081514Z AUTO 26031G39KT 5SM UP BKN065 M02/M07 A2934 RMK AO2 PK WND 25053/1456 UPB1459SNE1459 PRESRR P0000 |
| 08:07 MST |  Overcast Unknown Precip | -2°C / 28°F | -7°C / 19°F | 69% | 993 mb (29.32 in) | SSW 46 kph (SSW 28.8 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLVS 081507Z AUTO 26025G42KT 2SM UP BKN055 OVC080 M02/M07 A2932 RMK AO2 PK WND 25053/1456 UPB1459SNE1459 P0000 |
| 08:03 MST |  Mostly Cloudy Unknown Precip | -2°C / 28°F | -7°C / 19°F | 69% | 993 mb (29.32 in) | SSW 50 kph (SSW 31.1 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KLVS 081503Z AUTO 26027G53KT 1/2SM UP BKN047 M02/M07 A2931 RMK AO2 PK WND 25053/1456 UPB1459SNE1459 P0000 |
| 07:53 MST |  Mostly Cloudy Heavy Snow | -2°C / 28°F | -7°C / 19°F | 69% | 992 mb (29.29 in) | SSW 67 kph (SSW 41.4 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KLVS 081453Z AUTO 25036G50KT 1/4SM +SN BKN045 M02/M07 A2930 RMK AO2 PK WND 26057/1442 WSHFT 1416 UPB37E38SNE25B38 SLP927 P0001 60008 T10221067 58015 |
| 07:36 MST |  Partly Cloudy Blowing Snow | -2°C / 28°F | -7°C / 19°F | 69% | 993 mb (29.32 in) | SSW 70 kph (SSW 43.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLVS 081436Z AUTO 26038G55KT 1 3/4SM BLSN FEW046 SCT060 M02/M07 A2931 RMK AO2 PK WND 25055/1436 WSHFT 1416 VIS 1/4V5 SNE25 P0000 |
| 07:16 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 993 mb (29.32 in) | SW 19 kph (SW 11.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KLVS 081416Z AUTO 23010G16KT 190V260 5SM -SN BR BKN031 OVC046 M05/M06 A2933 RMK AO2 PRESFR P0000 |
| 07:10 MST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 994 mb (29.35 in) | SW 17 kph (SW 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLVS 081410Z AUTO 21009KT 2 1/2SM -SN BR BKN015 BKN020 OVC046 M05/M06 A2935 RMK AO2 P0000 |
| 07:07 MST |  Overcast Light Snow | -6°C / 21°F | -6°C / 21°F | 100% | 994 mb (29.35 in) | SSE 20 kph (SSE 12.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KLVS 081407Z AUTO 20011KT 2SM -SN BR BKN007 BKN020 OVC035 M06/M06 A2936 RMK AO2 P0000 |
| 06:58 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 994 mb (29.35 in) | S 20 kph (S 12.7 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KLVS 081358Z AUTO 19011G17KT 1 1/4SM -SN BR OVC004 M06/M07 A2936 RMK AO2 P0000 |
| 06:53 MST |  Obscured Light Snow | -7°C / 19°F | -7°C / 19°F | 100% | 995 mb (29.38 in) | SSE 20 kph (SSE 12.7 mph) | 1.27 mm (0.05 in) | 3/4SM |
| | KLVS 081353Z AUTO 20011KT 3/4SM -SN BR VV003 M07/M07 A2937 RMK AO2 PK WND 26066/1338 WSHFT 1306 SLP963 P0005 T10671072 |
| 06:26 MST |  Obscured Heavy Snow | -7°C / 19°F | -8°C / 18°F | 93% | 994 mb (29.35 in) | SSW 20 kph (SSW 12.7 mph) | 0.76 mm (0.03 in) | 1/4SM |
| | KLVS 081326Z AUTO 24011G24KT 1/4SM +SN FZFG VV001 M07/M08 A2936 RMK AO2 WSHFT 1306 P0003 |
| 06:04 MST |  Overcast Snow | -7°C / 19°F | -7°C / 19°F | 100% | 992 mb (29.29 in) | S 32 kph (S 19.6 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KLVS 081304Z AUTO 19017KT 1/2SM SN FZFG BKN003 BKN008 OVC015 M07/M07 A2929 RMK AO2 P0001 |
| 05:53 MST |  Overcast Light Snow | -7°C / 19°F | -7°C / 19°F | 100% | 992 mb (29.29 in) | SSE 26 kph (SSE 16.1 mph) | 0.51 mm (0.02 in) | 1SM |
| | KLVS 081253Z AUTO 20014KT 1SM -SN BR BKN003 BKN008 OVC015 M07/M07 A2930 RMK AO2 SLP935 P0002 T10671072 |
| 05:42 MST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 992 mb (29.29 in) | SSE 33 kph (SSE 20.7 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KLVS 081242Z AUTO 20018G21KT 3/4SM -SN BR OVC003 M06/M07 A2930 RMK AO2 P0002 |
| 05:27 MST |  Overcast Light Snow | -7°C / 19°F | -7°C / 19°F | 100% | 992 mb (29.29 in) | S 24 kph (S 15 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KLVS 081227Z AUTO 19013KT 1 1/4SM -SN BR OVC001 M07/M07 A2930 RMK AO2 P0001 |
| 05:08 MST |  Obscured Fog | -7°C / 19°F | -8°C / 18°F | 93% | 993 mb (29.32 in) | SSE 30 kph (SSE 18.4 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KLVS 081208Z AUTO 16016KT 1/2SM FZFG VV001 M07/M08 A2931 RMK AO2 SNE07 PRESFR P0000 |
| 04:53 MST |  Overcast Light Snow | -7°C / 19°F | -8°C / 18°F | 93% | 994 mb (29.35 in) | SSE 26 kph (SSE 16.1 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KLVS 081153Z AUTO 16014KT 1 1/4SM -SN BR OVC002 M07/M08 A2935 RMK AO2 SNE04B34 PRESFR SLP956 P0000 60010 70011 T10721078 11072 21089 58045 |
| 04:34 MST |  Overcast Light Snow | -7°C / 19°F | -8°C / 18°F | 93% | 995 mb (29.38 in) | S 20 kph (S 12.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KLVS 081134Z AUTO 17011KT 1 3/4SM -SN BR OVC002 M07/M08 A2938 RMK AO2 SNE04B34 P0000 |
| 04:18 MST |  Overcast | -8°C / 18°F | -8°C / 18°F | 100% | 996 mb (29.41 in) | S 20 kph (S 12.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KLVS 081118Z AUTO 18011KT 7SM OVC002 M08/M08 A2940 RMK AO2 SNE04 CIG 001V004 P0000 |
| 04:01 MST |  Overcast Light Snow | -8°C / 18°F | -8°C / 18°F | 100% | 996 mb (29.41 in) | S 24 kph (S 15 mph) | 0.00 mm (0.00 in) | 9SM |
| | KLVS 081101Z AUTO 19013KT 9SM -SN BKN004 OVC011 M08/M08 A2942 RMK AO2 CIG 003V007 P0000 |
| 03:53 MST |  Overcast Light Snow | -8°C / 18°F | -8°C / 18°F | 100% | 997 mb (29.44 in) | SSE 24 kph (SSE 15 mph) | 0.25 mm (0.01 in) | 6SM |
| | KLVS 081053Z AUTO 20013KT 6SM -SN BR BKN006 OVC011 M08/M08 A2943 RMK AO2 SLP986 P0001 T10781083 |
| 03:42 MST |  Overcast Light Snow | -8°C / 18°F | -8°C / 18°F | 100% | 997 mb (29.44 in) | SSE 20 kph (SSE 12.7 mph) | 0.25 mm (0.01 in) | 4SM |
| | KLVS 081042Z AUTO 20011KT 4SM -SN BR FEW006 OVC011 M08/M08 A2944 RMK AO2 P0001 |
| 03:27 MST |  Overcast Light Snow | -8°C / 18°F | -8°C / 18°F | 100% | 997 mb (29.44 in) | SSE 22 kph (SSE 13.8 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KLVS 081027Z AUTO 20012KT 2 1/2SM -SN BR SCT006 BKN011 OVC018 M08/M08 A2945 RMK AO2 P0001 |
| 03:11 MST |  Overcast Light Snow | -8°C / 18°F | -8°C / 18°F | 100% | 998 mb (29.47 in) | SW 19 kph (SW 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KLVS 081011Z AUTO 21010KT 2 1/2SM -SN BR BKN006 BKN017 OVC022 M08/M08 A2946 RMK AO2 P0000 |
| 02:53 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 998 mb (29.47 in) | SSE 22 kph (SSE 13.8 mph) | 0.51 mm (0.02 in) | 2SM |
| | KLVS 080953Z AUTO 20012KT 2SM -SN BR OVC004 M08/M09 A2948 RMK AO2 SLP999 P0002 T10781089 |
| 02:43 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 999 mb (29.5 in) | SSE 20 kph (SSE 12.7 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KLVS 080943Z AUTO 20011KT 2 1/2SM -SN BR OVC004 M08/M09 A2949 RMK AO2 P0001 |
| 02:26 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 999 mb (29.5 in) | SW 20 kph (SW 12.7 mph) | 0.25 mm (0.01 in) | 5SM |
| | KLVS 080926Z AUTO 21011KT 5SM -SN BR BKN004 OVC011 M08/M09 A2950 RMK AO2 P0001 |
| 02:22 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 999 mb (29.5 in) | SSE 20 kph (SSE 12.7 mph) | 0.25 mm (0.01 in) | 5SM |
| | KLVS 080922Z AUTO 20011KT 5SM -SN BR SCT006 BKN011 OVC018 M08/M09 A2951 RMK AO2 P0001 |
| 02:11 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 999 mb (29.5 in) | SSE 24 kph (SSE 15 mph) | 0.25 mm (0.01 in) | 4SM |
| | KLVS 080911Z AUTO 20013KT 4SM -SN BR BKN011 BKN018 OVC023 M08/M09 A2951 RMK AO2 P0001 |
| 02:03 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1000 mb (29.53 in) | SSE 26 kph (SSE 16.1 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KLVS 080903Z AUTO 20014KT 2 1/2SM -SN BR FEW008 OVC020 M08/M09 A2952 RMK AO2 P0001 |
| 01:53 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1000 mb (29.53 in) | SSE 22 kph (SSE 13.8 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KLVS 080853Z AUTO 20012KT 1 3/4SM -SN BR FEW008 OVC024 M08/M09 A2952 RMK AO2 SLP008 P0001 60007 T10831094 56030 |
| 00:53 MST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1001 mb (29.56 in) | SW 19 kph (SW 11.5 mph) | 1.02 mm (0.04 in) | 1SM |
| | KLVS 080753Z AUTO 21010KT 1SM -SN BR FEW005 OVC017 M08/M09 A2955 RMK AO2 SLP023 P0004 T10831094 |
| 00:06 MST |  Overcast Light Snow | -9°C / 16°F | -9°C / 16°F | 100% | 1001 mb (29.56 in) | SSE 19 kph (SSE 11.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KLVS 080706Z AUTO 20010KT 1SM -SN BR SCT007 OVC015 M09/M09 A2957 RMK AO2 P0000 |