| 20:53 MST |  Obscured Fog | -3°C / 27°F | -5°C / 23°F | 86% | 1004 mb (29.65 in) | E 13 kph (E 8.1 mph) | - | 1/4SM |
| | KGTF 220353Z 09007KT 1/4SM FZFG VV001 M03/M05 A2965 RMK AO2 TWR VIS 1/4 SLP086 T10281050 |
| 19:53 MST |  Overcast Fog | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | ENE 13 kph (ENE 8.1 mph) | - | 1/4SM |
| | KGTF 220253Z 07007KT 1/4SM FZFG BKN001 OVC080 M02/M04 A2965 RMK AO2 SLP087 T10221044 56009 |
| 19:25 MST |  Overcast Fog | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | NE 9 kph (NE 5.8 mph) | - | 1/4SM |
| | KGTF 220225Z 05005KT 1/4SM FZFG FEW001 SCT006 OVC080 M02/M04 A2965 RMK AO2 SFC VIS 1/2 |
| 19:18 MST |  Overcast Fog | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | SE 17 kph (SE 10.4 mph) | - | 1/4SM |
| | KGTF 220218Z 12009KT 1/4SM FZFG FEW001 BKN006 OVC085 M02/M04 A2965 RMK AO2 SFC VIS 1/2 |
| 18:53 MST |  Obscured Fog | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | E 9 kph (E 5.8 mph) | - | 1/4SM |
| | KGTF 220153Z 09005KT 1/4SM FZFG VV001 M02/M04 A2965 RMK AO2 TWR VIS 1/4 SLP087 T10221044 |
| 17:53 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | ESE 11 kph (ESE 6.9 mph) | - | 1/4SM |
| | KGTF 220053Z 11006KT 1/4SM FZFG VV001 M02/M03 A2967 RMK AO2 SLP092 T10171033 |
| 16:53 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | E 15 kph (E 9.2 mph) | - | 1/4SM |
| | KGTF 212353Z 10008KT 1/4SM FZFG VV001 M02/M03 A2968 RMK AO2 TWR VIS 1/4 SLP095 T10171033 11017 21028 56005 |
| 15:53 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | E 9 kph (E 5.8 mph) | - | 1/4SM |
| | KGTF 212253Z 10005KT 1/4SM FZFG VV001 M02/M03 A2969 RMK AO2 TWR VIS 1/4 SLP099 T10171028 |
| 14:53 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | E 11 kph (E 6.9 mph) | - | M1/4SM |
| | KGTF 212153Z 08006KT M1/4SM FZFG VV001 M02/M03 A2968 RMK AO2 TWR VIS 1/4 SLP099 T10221033 |
| 13:53 MST |  Obscured Fog | -3°C / 27°F | -3°C / 27°F | 100% | 1006 mb (29.71 in) | ESE 11 kph (ESE 6.9 mph) | - | M1/4SM |
| | KGTF 212053Z 11006KT M1/4SM FZFG VV001 M03/M03 A2970 RMK AO2 TWR VIS 1/4 SLP105 T10281033 56013 |
| 12:53 MST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1006 mb (29.71 in) | E 11 kph (E 6.9 mph) | - | M1/4SM |
| | KGTF 211953Z 09006KT M1/4SM FZFG VV001 M02/M03 A2971 RMK AO2 TWR VIS 1/4 SLP107 T10221033 |
| 11:53 MST |  Obscured Fog | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 11 kph (E 6.9 mph) | - | M1/4SM |
| | KGTF 211853Z 08006KT M1/4SM FZFG VV001 M03/M04 A2973 RMK AO2 TWR VIS 1/4 SLP115 T10281039 |
| 10:53 MST |  Obscured Fog | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 11 kph (E 6.9 mph) | - | 1/4SM |
| | KGTF 211753Z 09006KT 1/4SM FZFG VV001 M03/M04 A2974 RMK AO2 TWR VIS 1/4 SLP120 60000 T10281039 11028 21039 50001 |
| 10:13 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | - | 1/4SM |
| | KGTF 211713Z 08004KT 1/4SM BR OVC001 M03/M04 A2974 RMK AO2 SFC VIS 3/4 |
| 10:02 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | - | 1 1/4SM |
| | KGTF 211702Z 07005KT 1 1/4SM BR OVC001 M03/M04 A2974 RMK AO2 TWR VIS 2 |
| 09:53 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | - | 2SM |
| | KGTF 211653Z 07005KT 2SM BR OVC001 M03/M04 A2975 RMK AO2 SLP122 T10331044 |
| 09:08 MST |  Mostly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | - | 2SM |
| | KGTF 211608Z 07005KT 2SM BR BKN003 M03/M04 A2975 RMK AO2 SFC VIS 2 1/2 CIG 002V005 |
| 09:00 MST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | - | 2SM |
| | KGTF 211600Z 07005KT 2SM BR SCT003 M03/M04 A2975 RMK AO2 SFC VIS 2 1/2 |
| 08:53 MST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 11 kph (ENE 6.9 mph) | - | 3SM |
| | KGTF 211553Z 06006KT 3SM BR SCT003 SCT090 M03/M04 A2974 RMK AO2 SLP123 T10331044 |
| 08:16 MST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | NE 6 kph (NE 3.5 mph) | - | 5SM |
| | KGTF 211516Z 05003KT 5SM BR SCT003 SCT090 M04/M05 A2974 RMK AO2 |
| 07:53 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | NE 6 kph (NE 3.5 mph) | - | 4SM |
| | KGTF 211453Z 04003KT 4SM BR BKN003 OVC095 M04/M05 A2974 RMK AO2 SLP121 60000 T10391050 55001 |
| 06:53 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | - | 3SM |
| | KGTF 211353Z 00000KT 3SM BR OVC003 M03/M04 A2974 RMK AO2 SLP120 T10331044 |
| 05:53 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ESE 11 kph (ESE 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGTF 211253Z 11006KT 4SM BR OVC003 M03/M04 A2973 RMK AO2 UPB17E29 SLP119 P0000 T10331044 |
| 04:53 MST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | ENE 7 kph (ENE 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGTF 211153Z 07004KT 4SM BR OVC003 M03/M04 A2974 RMK AO2 UPB1059E31 SLP122 P0000 60003 70007 T10331044 11033 21044 52000 |
| 04:28 MST |  Overcast Unknown Precip | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGTF 211128Z 04003KT 5SM UP BR BKN003 OVC039 M03/M05 A2974 RMK AO2 UPB1059 P0000 |
| 04:16 MST |  Overcast Unknown Precip | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGTF 211116Z 03003KT 5SM UP BR SCT003 OVC041 M03/M05 A2974 RMK AO2 UPB1059 P0000 |
| 04:01 MST |  Overcast Unknown Precip | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | NNE 6 kph (NNE 3.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGTF 211101Z 02003KT 4SM UP BR BKN003 OVC047 M04/M05 A2974 RMK AO2 UPB1059 P0000 |
| 03:53 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGTF 211053Z 36004KT 2 1/2SM BR OVC003 M04/M05 A2974 RMK AO2 SFC VIS 4 UPB09E44FZRAE09 SLP122 P0000 T10391050 |
| 03:15 MST |  Overcast Unknown Precip | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | N 6 kph (N 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGTF 211015Z 35003KT 2 1/2SM UP BR OVC003 M04/M05 A2974 RMK AO2 SFC VIS 3 UPB09FZRAE09 P0000 |
| 02:53 MST |  Overcast Light Freezing Rain | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210953Z AUTO 00000KT 2SM -FZRA BR OVC003 M03/M05 A2974 RMK AO2 SFC VIS 3 UPE42FZRAB42 SLP118 P0001 T10331050 |
| 02:48 MST |  Overcast Light Freezing Rain | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | NNE 6 kph (NNE 3.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210948Z 02003KT 2SM -FZRA BR OVC003 M03/M04 A2974 RMK AO2 SFC VIS 3 UPE42FZRAB42 P0001 |
| 01:53 MST |  Overcast Unknown Precip | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | Calm | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210853Z 00000KT 2SM UP BR OVC003 M04/M05 A2973 RMK AO2 SFC VIS 4 UPB32FZRAE25 SLP117 P0001 60002 T10391050 56010 |
| 01:25 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | E 6 kph (E 3.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210825Z 10003KT 2SM BR OVC003 M04/M05 A2973 RMK AO2 SFC VIS 4 FZRAE25 P0001 |
| 00:53 MST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210753Z 07005KT 2SM -FZRA BR OVC001 M04/M05 A2974 RMK AO2 SFC VIS 2 1/2 UPB0655E45FZRAB45 SLP123 P0001 T10391050 |
| 00:51 MST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1007 mb (29.74 in) | ENE 7 kph (ENE 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KGTF 210751Z 07004KT 2SM -FZRA BR OVC001 M04/M05 A2974 RMK AO2 SFC VIS 2 1/2 UPB0655E45FZRAB45 P0001 |