| 13:55 MST |  Partly Cloudy Drizzle | -3°C / 27°F | -7°C / 19°F | 74% | 1006 mb (29.71 in) | N 39 kph (N 24.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 232055Z AUTO 35021G31KT 320V030 10SM -DZ FEW055 M03/M07 A2971 RMK AO2 PK WND 34031/2049 UPE2041DZB2041 SLP092 P0000 60000 T10261073 57006 |
| 12:55 MST |  Overcast Unknown Precip | -3°C / 27°F | -7°C / 19°F | 74% | 1006 mb (29.71 in) | N 41 kph (N 25.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 231955Z AUTO 35022G27KT 10SM UP OVC070 M03/M07 A2972 RMK AO2 PK WND 36027/1954 DZB1907E1908 SLP094 P0000 T10291071 |
| 11:55 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -7°C / 19°F | 74% | 1006 mb (29.71 in) | N 37 kph (N 23 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 231855Z AUTO 35020G25KT 10SM UP SCT090 M03/M07 A2972 RMK AO2 PK WND 36028/1808 UPE1800B1827DZB1800E1827 SLP097 P0000 T10331070 |
| 10:55 MST |  Mostly Cloudy Light Snow | -3°C / 27°F | -7°C / 19°F | 74% | 1007 mb (29.74 in) | N 35 kph (N 21.9 mph) | 0.00 mm (0.00 in) | 7SM |
| | KAFF 231755Z 35019G26KT 7SM -SN FEW030 SCT050 BKN090 M03/M07 A2973 RMK AO2A PK WND 35026/1749 SLP101 P0000 6//// T10301070 11029 21051 50003 |
| 09:55 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -7°C / 19°F | 74% | 1007 mb (29.74 in) | N 32 kph (N 19.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 231655Z AUTO 36017G22KT 340V060 10SM UP FEW075 M03/M07 A2975 RMK AO2 SNB1603E1614B1623E1628 SLP098 P0000 T10301066 |
| 09:38 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -6°C / 21°F | 80% | 1007 mb (29.74 in) | N 33 kph (N 20.7 mph) | - | 10SM |
| | KAFF 231638Z AUTO 36018G22KT 10SM UP SCT008 M03/M06 A2974 RMK AO2 SNB1603E1614B1623E1628 SLP103 |
| 09:29 MST |  Mostly Cloudy Unknown Precip | -3°C / 27°F | -6°C / 21°F | 80% | 1007 mb (29.74 in) | N 26 kph (N 16.1 mph) | - | 8SM |
| | KAFF 231629Z AUTO 35014G20KT 8SM UP BKN009 M03/M06 A2974 RMK AO2 SNB1603E1614B1623E1628 SLP103 |
| 09:06 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | N 30 kph (N 18.4 mph) | - | 5SM |
| | KAFF 231606Z AUTO 35016KT 5SM -SN OVC014 M04/M07 A2974 RMK AO2 UPE1603SNB1603 SLP102 |
| 08:55 MST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | N 30 kph (N 18.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KAFF 231555Z AUTO 35016G21KT 5SM UP OVC016 M04/M07 A2973 RMK AO2 UPE1516B1542SNB1516E1542B1543E1546 SLP100 P0000 T10371066 |
| 08:22 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | N 26 kph (N 16.1 mph) | - | 6SM |
| | KAFF 231522Z AUTO 35014G19KT 6SM -SN OVC015 M04/M07 A2973 RMK AO2 UPE1516SNB1516 SLP098 |
| 08:03 MST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | N 28 kph (N 17.3 mph) | - | 8SM |
| | KAFF 231503Z AUTO 35015KT 8SM UP BKN010 OVC035 M04/M07 A2973 RMK AO2 BKN V SCT SLP097 |
| 07:55 MST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | NNW 26 kph (NNW 16.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KAFF 231455Z 33014KT 7SM -SN FEW004 OVC034 M04/M07 A2972 RMK AO2A SLP096 P0000 6//// T10411068 51013 |
| 07:45 MST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KAFF 231445Z AUTO 34013KT 10SM UP OVC031 M04/M07 A2972 RMK AO2 UPB1417DZB1408E1430 SLP096 |
| 07:44 MST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KAFF 231444Z AUTO 34014KT 10SM UP OVC029 M04/M07 A2972 RMK AO2 UPB1417DZB1408E1430 CIG 021V030 SLP096 |
| 07:43 MST |  Overcast Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KAFF 231443Z AUTO 34013KT 10SM UP OVC030 M04/M07 A2972 RMK AO2 UPB1417DZB1408E1430 SLP096 |
| 07:29 MST |  Overcast Drizzle | -4°C / 25°F | -7°C / 19°F | 80% | 1006 mb (29.71 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 231429Z AUTO 35013KT 10SM -DZ OVC029 M04/M07 A2972 RMK AO2 UPB1417E1426DZB1408 CIG 021V030 SLP095 |
| 07:08 MST |  Overcast Drizzle | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 231408Z AUTO 36015KT 10SM -DZ OVC031 M05/M07 A2971 RMK AO2 DZB1408 SLP093 |
| 07:02 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 231402Z AUTO 36015KT 10SM OVC031 M05/M07 A2971 RMK AO2 SLP092 |
| 06:55 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 231355Z AUTO 36016KT 10SM OVC027 M05/M07 A2971 RMK AO2 CIG 015V030 SLP091 T10481069 |
| 06:43 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 231343Z AUTO 36014G19KT 10SM OVC025 M05/M07 A2971 RMK AO2 CIG 013V030 SLP091 |
| 06:32 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 231332Z AUTO 36016G20KT 10SM OVC024 M05/M07 A2971 RMK AO2 CIG 013V030 SLP090 |
| 06:24 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 231324Z AUTO 36014KT 350V060 10SM OVC025 M05/M07 A2971 RMK AO2 CIG 011V030 SLP090 |
| 06:20 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 231320Z AUTO 36015KT 10SM OVC020 M05/M07 A2971 RMK AO2 CIG 011V030 SLP090 |
| 06:16 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 231316Z AUTO 36016KT 10SM OVC015 M05/M07 A2970 RMK AO2 CIG 011V030 SLP090 |
| 06:00 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KAFF 231300Z AUTO 36015KT 10SM OVC014 M05/M07 A2970 RMK AO2 CIG 011V030 SLP088 |
| 05:55 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 30 kph (N 18.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 231255Z AUTO 36016KT 10SM OVC019 M05/M07 A2970 RMK AO2 UPE1202B1219E1230 CIG 011V030 SLP087 P0000 T10481071 |
| 05:49 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1006 mb (29.71 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 231249Z AUTO 36017G24KT 10SM OVC024 M05/M07 A2970 RMK AO2 UPE1202B1219E1230 CIG 011V030 SLP080 |
| 05:47 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 231247Z AUTO 36016G24KT 10SM OVC026 M05/M07 A2969 RMK AO2 UPE1202B1219E1230 CIG 011V030 SLP079 |
| 05:44 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | N 33 kph (N 20.7 mph) | - | 10SM |
| | KAFF 231244Z AUTO 36018G24KT 10SM BKN013 OVC045 M05/M07 A2969 RMK AO2 UPE1202B1219E1230 BKN V SCT SLP078 |
| 05:30 MST |  Overcast | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | N 35 kph (N 21.9 mph) | - | 10SM |
| | KAFF 231230Z AUTO 36019KT 10SM OVC041 M05/M07 A2968 RMK AO2 UPE1202B1219E1230 SLP076 |
| 05:19 MST |  Overcast Unknown Precip | -5°C / 23°F | -7°C / 19°F | 86% | 1005 mb (29.68 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 231219Z AUTO 36016KT 350V070 10SM UP OVC041 M05/M07 A2968 RMK AO2 UPE1202B1219 SLP075 |
| 05:02 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 231202Z AUTO 01017KT 10SM FEW002 BKN031 M04/M07 A2967 RMK AO2 UPE1202 SLP072 |
| 04:58 MST |  Mostly Cloudy Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | N 28 kph (N 17.3 mph) | - | 9SM |
| | KAFF 231158Z AUTO 36015KT 9SM UP FEW002 BKN031 M04/M07 A2968 RMK AO2 SLP073 |
| 04:55 MST |  Mostly Cloudy Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | N 30 kph (N 18.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KAFF 231155Z AUTO 36016KT 9SM UP FEW002 BKN029 M04/M07 A2968 RMK AO2 UPB1128DZB1056E1058B1125E1128 SLP073 P0000 60000 T10441068 11021 21044 53003 |
| 04:53 MST |  Mostly Cloudy Unknown Precip | -4°C / 25°F | -7°C / 19°F | 80% | 1005 mb (29.68 in) | N 30 kph (N 18.4 mph) | - | 9SM |
| | KAFF 231153Z AUTO 36016KT 9SM UP FEW002 BKN029 M04/M07 A2967 RMK AO2 UPB1128DZB1056E1058B1125E1128 BKN V OVC SLP073 |
| 04:25 MST |  Mostly Cloudy Drizzle | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 39 kph (N 24.2 mph) | - | 10SM |
| | KAFF 231125Z AUTO 01021KT 10SM -DZ BKN036 M04/M07 A2966 RMK AO2 DZB1056E1058B1125 SLP067 |
| 04:19 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 37 kph (N 23 mph) | - | 10SM |
| | KAFF 231119Z AUTO 01020KT 360V070 10SM BKN030 M04/M07 A2966 RMK AO2 DZB1056E1058 SLP066 |
| 04:17 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 37 kph (N 23 mph) | - | 10SM |
| | KAFF 231117Z AUTO 36020G24KT 10SM BKN025 M04/M07 A2966 RMK AO2 DZB1056E1058 SLP066 |
| 04:10 MST |  Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 39 kph (N 24.2 mph) | - | 10SM |
| | KAFF 231110Z AUTO 36021KT 10SM BKN024 M04/M07 A2966 RMK AO2 DZB1056E1058 BKN V SCT SLP066 |
| 03:58 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 231058Z AUTO 36017KT 10SM CLR M04/M07 A2966 RMK AO2 DZB1056E1058 SLP067 |
| 03:56 MST |  Clear Drizzle | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 231056Z AUTO 36017KT 340V050 10SM -DZ CLR M04/M07 A2966 RMK AO2 DZB1056 SLP066 |
| 03:55 MST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1004 mb (29.65 in) | N 33 kph (N 20.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 231055Z AUTO 36018KT 10SM CLR M04/M07 A2966 RMK AO2 DZB1027E1049 SLP066 P0000 T10411066 |
| 03:49 MST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1004 mb (29.65 in) | N 32 kph (N 19.6 mph) | - | 10SM |
| | KAFF 231049Z AUTO 36017KT 10SM CLR M04/M06 A2966 RMK AO2 DZB1027E1049 SLP060 |
| 03:27 MST |  Clear Drizzle | -4°C / 25°F | -6°C / 21°F | 86% | 1004 mb (29.65 in) | N 33 kph (N 20.7 mph) | - | 10SM |
| | KAFF 231027Z AUTO 36018KT 10SM -DZ CLR M04/M06 A2966 RMK AO2 DZB1027 SLP060 |
| 02:55 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1004 mb (29.65 in) | N 28 kph (N 17.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KAFF 230955Z AUTO 36015KT 10SM CLR M03/M06 A2966 RMK AO2 UPE0920DZB0908E0954 SLP062 P0000 T10331057 |
| 02:54 MST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1004 mb (29.65 in) | N 30 kph (N 18.4 mph) | - | 10SM |
| | KAFF 230954Z AUTO 36016KT 330V030 10SM CLR M03/M06 A2966 RMK AO2 UPE0920DZB0908E0954 SLP062 |
| 02:31 MST |  Partly Cloudy Drizzle | -3°C / 27°F | -5°C / 23°F | 86% | 1005 mb (29.68 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KAFF 230931Z AUTO 35013KT 10SM -DZ FEW029 M03/M05 A2967 RMK AO2 UPE0920DZB0908 SLP056 |
| 02:27 MST |  Partly Cloudy | -3°C / 27°F | -5°C / 23°F | 86% | 1004 mb (29.65 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KAFF 230927Z AUTO 35014KT 10SM FEW029 M03/M05 A2966 RMK AO2 UPE0920DZB0908E0927 SLP055 |
| 02:18 MST |  Partly Cloudy Unknown Precip | -3°C / 27°F | -5°C / 23°F | 86% | 1004 mb (29.65 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KAFF 230918Z AUTO 35012KT 10SM UP FEW007 SCT029 M03/M05 A2966 RMK AO2 DZB0908E0913 FEW V SCT SLP055 |
| 02:05 MST |  Overcast Unknown Precip | -3°C / 27°F | -4°C / 25°F | 93% | 1004 mb (29.65 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KAFF 230905Z AUTO 35011KT 10SM UP OVC021 M03/M04 A2966 RMK AO2 SLP055 |
| 01:58 MST |  Overcast Unknown Precip | -3°C / 27°F | -4°C / 25°F | 93% | 1004 mb (29.65 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KAFF 230858Z AUTO 36009KT 10SM UP OVC015 M03/M04 A2966 RMK AO2 SLP056 |
| 01:55 MST |  Overcast Unknown Precip | -3°C / 27°F | -3°C / 27°F | 100% | 1005 mb (29.68 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KAFF 230855Z AUTO 35009KT 9SM UP OVC013 M03/M03 A2967 RMK AO2 UPB0848SNE0848 SLP056 P0000 60000 T10251035 55000 |
| 01:47 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | NNW 6 kph (NNW 3.5 mph) | - | 5SM |
| | KAFF 230847Z AUTO 34003KT 5SM -SN BR OVC010 M02/M03 A2967 RMK AO2 SLP057 |
| 01:39 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | Calm | - | 3SM |
| | KAFF 230839Z AUTO 00000KT 3SM -SN BR OVC010 M02/M03 A2967 RMK AO2 SLP057 |
| 01:32 MST |  Overcast Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1004 mb (29.65 in) | Variable 7 kph (Variable 4.6 mph) | - | 3SM |
| | KAFF 230832Z AUTO VRB04KT 3SM -SN BR OVC012 M03/M03 A2966 RMK AO2 SLP056 |
| 01:25 MST |  Overcast Light Snow | -3°C / 27°F | -3°C / 27°F | 100% | 1004 mb (29.65 in) | Calm | - | 2 1/2SM |
| | KAFF 230825Z AUTO 00000KT 2 1/2SM -SN BR OVC014 M03/M03 A2966 RMK AO2 SLP055 |
| 01:22 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230822Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP055 |
| 01:11 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230811Z AUTO 00000KT 3SM -SN BR OVC016 M02/M03 A2966 RMK AO2 SLP054 |
| 01:08 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230808Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP054 |
| 01:06 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230806Z AUTO 00000KT 3SM -SN BR OVC015 M02/M03 A2966 RMK AO2 SLP054 |
| 00:55 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KAFF 230755Z AUTO 00000KT 3SM -SN BR OVC012 M02/M03 A2966 RMK AO2 SLP055 P0000 T10241025 |
| 00:21 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 3SM |
| | KAFF 230721Z AUTO 00000KT 3SM -SN BR OVC014 M02/M03 A2966 RMK AO2 SLP055 |
| 00:13 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 2SM |
| | KAFF 230713Z AUTO 00000KT 2SM -SN BR OVC012 M02/M03 A2966 RMK AO2 SLP055 |
| 00:08 MST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1004 mb (29.65 in) | Calm | - | 2SM |
| | KAFF 230708Z AUTO 00000KT 2SM -SN BR OVC010 M02/M03 A2966 RMK AO2 SLP055 |