| 20:53 MST |  Overcast Hazy | -5°C / 23°F | -8°C / 18°F | 80% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | - | 4SM |
| | KTWF 260353Z AUTO 08004KT 4SM HZ OVC010 M05/M08 A3022 RMK AO2 CIG 006V012 SLP262 T10501078 |
| 19:53 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | Calm | - | 3SM |
| | KTWF 260253Z 00000KT 3SM HZ OVC010 M04/M07 A3022 RMK AO2 CIG 008V014 SLP261 T10441072 51004 |
| 19:25 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | Calm | - | 2 1/2SM |
| | KTWF 260225Z 00000KT 2 1/2SM HZ OVC010 M04/M07 A3022 RMK AO2 |
| 18:53 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | - | 3SM |
| | KTWF 260153Z 03005KT 3SM HZ OVC010 M04/M07 A3022 RMK AO2 CIG 007V012 SLP259 T10441072 |
| 17:53 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | NNE 6 kph (NNE 3.5 mph) | - | 3SM |
| | KTWF 260053Z 02003KT 3SM HZ OVC008 M04/M07 A3021 RMK AO2 SLP257 T10441072 |
| 17:32 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | Calm | - | 3SM |
| | KTWF 260032Z 00000KT 3SM HZ OVC006 M04/M07 A3021 RMK AO2 |
| 17:25 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | Calm | - | 2 1/2SM |
| | KTWF 260025Z 00000KT 2 1/2SM HZ OVC006 M04/M07 A3021 RMK AO2 |
| 16:53 MST |  Overcast Hazy | -4°C / 25°F | -8°C / 18°F | 74% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KTWF 252353Z 00000KT 1 3/4SM HZ OVC006 M04/M08 A3021 RMK AO2 SLP260 T10441078 11028 21056 50002 |
| 16:48 MST |  Overcast Hazy | -4°C / 25°F | -8°C / 18°F | 74% | 1023 mb (30.21 in) | Calm | - | 1 3/4SM |
| | KTWF 252348Z 00000KT 1 3/4SM HZ OVC006 M04/M08 A3021 RMK AO2 |
| 16:36 MST |  Overcast Hazy | -4°C / 25°F | -8°C / 18°F | 74% | 1023 mb (30.21 in) | E 6 kph (E 3.5 mph) | - | 2SM |
| | KTWF 252336Z 10003KT 2SM HZ OVC006 M04/M08 A3021 RMK AO2 |
| 15:53 MST |  Overcast Hazy | -5°C / 23°F | -8°C / 18°F | 80% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KTWF 252253Z 00000KT 4SM HZ OVC006 M05/M08 A3021 RMK AO2 SLP260 T10501078 |
| 14:53 MST |  Overcast Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | N 9 kph (N 5.8 mph) | - | 3SM |
| | KTWF 252153Z 35005KT 3SM HZ OVC006 M04/M07 A3020 RMK AO2 SLP257 T10441072 |
| 13:53 MST |  Overcast Hazy | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | NW 11 kph (NW 6.9 mph) | - | 5SM |
| | KTWF 252053Z 30006KT 5SM HZ OVC008 M03/M07 A3019 RMK AO2 SLP248 T10331067 56018 |
| 13:44 MST |  Mostly Cloudy Hazy | -3°C / 27°F | -7°C / 19°F | 74% | 1022 mb (30.18 in) | NW 13 kph (NW 8.1 mph) | - | 5SM |
| | KTWF 252044Z 32007KT 5SM HZ BKN010 M03/M07 A3019 RMK AO2 |
| 12:53 MST |  Clear Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | W 6 kph (W 3.5 mph) | - | 6SM |
| | KTWF 251953Z 28003KT 6SM HZ CLR M04/M07 A3020 RMK AO2 SLP257 T10391067 |
| 12:41 MST |  Partly Cloudy Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KTWF 251941Z 00000KT 5SM HZ SCT007 M04/M07 A3021 RMK AO2 |
| 12:02 MST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1024 mb (30.24 in) | Calm | - | 4SM |
| | KTWF 251902Z 00000KT 4SM BR BKN007 M05/M07 A3023 RMK AO2 |
| 11:53 MST |  Partly Cloudy Hazy | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | Calm | - | 4SM |
| | KTWF 251853Z 00000KT 4SM HZ SCT005 M04/M07 A3023 RMK AO2 SLP267 T10441072 |
| 10:53 MST |  Partly Cloudy Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | W 6 kph (W 3.5 mph) | - | 3SM |
| | KTWF 251753Z 27003KT 3SM BR FEW001 M06/M08 A3025 RMK AO2 SLP268 T10561078 11056 21111 53001 |
| 10:50 MST |  Partly Cloudy Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 3SM |
| | KTWF 251750Z 26003KT 3SM BR SCT001 M06/M08 A3025 RMK AO2 |
| 10:38 MST |  Obscured Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | Calm | - | 1SM |
| | KTWF 251738Z 00000KT 1SM BR VV001 M06/M08 A3025 RMK AO2 |
| 10:29 MST |  Obscured Fog | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 1/4SM |
| | KTWF 251729Z 22003KT 1/4SM FZFG VV001 M07/M09 A3025 RMK AO2 |
| 10:05 MST |  Overcast Fog | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 1/4SM |
| | KTWF 251705Z 21003KT 1/4SM FZFG OVC002 M07/M09 A3025 RMK AO2 |
| 09:53 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SW 7 kph (SW 4.6 mph) | - | 1 3/4SM |
| | KTWF 251653Z 22004KT 1 3/4SM BR OVC004 M07/M09 A3024 RMK AO2 SLP270 T10671089 |
| 09:43 MST |  Overcast Hazy | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SW 7 kph (SW 4.6 mph) | - | 2SM |
| | KTWF 251643Z 23004KT 2SM HZ OVC004 M07/M09 A3024 RMK AO2 |
| 09:22 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SSE 6 kph (SSE 3.5 mph) | - | 1 1/2SM |
| | KTWF 251622Z 20003KT 1 1/2SM BR OVC004 M07/M09 A3024 RMK AO2 |
| 09:07 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SSE 7 kph (SSE 4.6 mph) | - | 3/4SM |
| | KTWF 251607Z 16004KT 3/4SM BR OVC004 M07/M09 A3024 RMK AO2 |
| 08:53 MST |  Overcast Hazy | -7°C / 19°F | -10°C / 14°F | 79% | 1024 mb (30.24 in) | SE 6 kph (SE 3.5 mph) | - | 1SM |
| | KTWF 251553Z 13003KT 1SM HZ OVC006 M07/M10 A3025 RMK AO2 SLP272 T10721100 |
| 08:49 MST |  Overcast Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1024 mb (30.24 in) | ESE 6 kph (ESE 3.5 mph) | - | 1SM |
| | KTWF 251549Z 11003KT 1SM BR OVC006 M08/M10 A3025 RMK AO2 |
| 08:34 MST |  Overcast Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | SSE 7 kph (SSE 4.6 mph) | - | 1SM |
| | KTWF 251534Z 16004KT 1SM HZ OVC004 M08/M11 A3024 RMK AO2 |
| 08:07 MST |  Overcast Fog | -8°C / 18°F | -10°C / 14°F | 86% | 1024 mb (30.24 in) | Calm | - | 1/4SM |
| | KTWF 251507Z 00000KT 1/4SM FZFG OVC002 M08/M10 A3025 RMK AO2 |
| 07:53 MST |  Overcast Fog | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | Calm | - | 1/4SM |
| | KTWF 251453Z 00000KT 1/4SM FZFG BKN001 BKN006 OVC011 M08/M11 A3023 RMK AO2 SLP268 T10831106 56000 |
| 07:50 MST |  Overcast Fog | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | Calm | - | 1/4SM |
| | KTWF 251450Z 00000KT 1/4SM FZFG BKN001 BKN006 OVC011 M08/M11 A3023 RMK AO2 |
| 07:42 MST |  Overcast Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | Calm | - | 1/2SM |
| | KTWF 251442Z 00000KT 1/2SM HZ BKN001 BKN006 OVC011 M08/M11 A3024 RMK AO2 |
| 07:34 MST |  Overcast Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | Calm | - | 1SM |
| | KTWF 251434Z 00000KT 1SM HZ BKN001 OVC011 M08/M11 A3023 RMK AO2 |
| 07:20 MST |  Overcast Fog | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | Calm | - | 1/4SM |
| | KTWF 251420Z AUTO 00000KT 1/4SM FZFG BKN001 OVC009 M07/M09 A3023 RMK AO2 |
| 07:08 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 3/4SM |
| | KTWF 251408Z AUTO 10004KT 3/4SM BR OVC003 M07/M09 A3024 RMK AO2 |
| 06:53 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | SE 6 kph (SE 3.5 mph) | - | 1SM |
| | KTWF 251353Z AUTO 12003KT 1SM BR OVC003 M07/M09 A3023 RMK AO2 SLP264 T10721094 |
| 06:46 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | ESE 6 kph (ESE 3.5 mph) | - | 1 1/4SM |
| | KTWF 251346Z AUTO 11003KT 1 1/4SM BR OVC003 M07/M09 A3023 RMK AO2 |
| 06:29 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | Calm | - | 2SM |
| | KTWF 251329Z AUTO 00000KT 2SM BR OVC003 M07/M09 A3023 RMK AO2 |
| 05:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | ENE 6 kph (ENE 3.5 mph) | - | 4SM |
| | KTWF 251253Z AUTO 07003KT 4SM BR OVC003 M08/M11 A3023 RMK AO2 SLP265 T10831106 |
| 05:43 MST |  Mostly Cloudy Hazy | -8°C / 18°F | -11°C / 12°F | 79% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 6SM |
| | KTWF 251243Z AUTO 05003KT 6SM HZ BKN003 M08/M11 A3023 RMK AO2 |
| 05:35 MST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 8SM |
| | KTWF 251235Z AUTO 05003KT 8SM SCT003 M09/M12 A3023 RMK AO2 |
| 04:53 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1024 mb (30.24 in) | SSW 7 kph (SSW 4.6 mph) | - | 8SM |
| | KTWF 251153Z AUTO 24004KT 8SM CLR M09/M11 A3023 RMK AO2 SLP264 T10891111 11050 21100 58002 |
| 03:53 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1024 mb (30.24 in) | SW 9 kph (SW 5.8 mph) | - | 8SM |
| | KTWF 251053Z AUTO 23005KT 8SM CLR M09/M11 A3024 RMK AO2 SLP265 T10891111 |
| 02:53 MST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTWF 250953Z AUTO 00000KT 10SM CLR M09/M12 A3024 RMK AO2 SLP263 T10891122 |
| 01:53 MST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1024 mb (30.24 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KTWF 250853Z AUTO 22007KT 10SM CLR M07/M11 A3023 RMK AO2 SLP258 T10721111 58004 |
| 00:53 MST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1024 mb (30.24 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KTWF 250753Z AUTO 21003KT 10SM FEW011 M09/M12 A3025 RMK AO2 SLP267 T10941122 |