| 20:54 MST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1023 mb (30.21 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KRKS 300354Z AUTO 24010KT 10SM CLR M03/M11 A3021 RMK AO2 SLP280 T10331106 |
| 19:54 MST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1023 mb (30.21 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KRKS 300254Z AUTO 23008KT 10SM CLR M02/M11 A3021 RMK AO2 SLP282 T10221106 51013 |
| 18:54 MST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KRKS 300154Z AUTO 23005KT 10SM CLR M02/M11 A3019 RMK AO2 SLP277 T10221106 |
| 17:54 MST |  Clear | -3°C / 27°F | -10°C / 14°F | 59% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KRKS 300054Z AUTO 24007KT 10SM CLR M03/M10 A3017 RMK AO2 SLP273 T10281100 |
| 16:54 MST |  Clear | -1°C / 30°F | -10°C / 14°F | 51% | 1021 mb (30.15 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KRKS 292354Z AUTO 23008KT 10SM CLR M01/M10 A3016 RMK AO2 SLP258 T10061100 10022 21028 53008 |
| 15:54 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1020 mb (30.12 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KRKS 292254Z AUTO 24007KT 10SM CLR 02/M09 A3013 RMK AO2 SLP239 T00171094 |
| 14:54 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1020 mb (30.12 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KRKS 292154Z AUTO 27008KT 10SM CLR 02/M09 A3013 RMK AO2 SLP234 T00221094 |
| 13:54 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1020 mb (30.12 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KRKS 292054Z AUTO 23007KT 10SM CLR 02/M08 A3013 RMK AO2 SLP231 T00171083 58010 |
| 12:54 MST |  Clear | 0°C / 32°F | -6°C / 21°F | 64% | 1021 mb (30.15 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRKS 291954Z AUTO 36003KT 10SM CLR 00/M06 A3014 RMK AO2 SLP244 T00001061 |
| 11:54 MST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1021 mb (30.15 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KRKS 291854Z AUTO 27005KT 10SM CLR M03/M05 A3016 RMK AO2 SLP251 T10281050 |
| 11:07 MST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1021 mb (30.15 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KRKS 291807Z AUTO 24007KT 10SM SCT001 M03/M04 A3016 RMK AO2 |
| 10:52 MST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1022 mb (30.18 in) | W 11 kph (W 6.9 mph) | - | 3SM |
| | KRKS 291752Z AUTO 27006KT 3SM BR BKN001 M04/M04 A3017 RMK AO2 |
| 10:49 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1021 mb (30.15 in) | SSW 9 kph (SSW 5.8 mph) | - | 1 1/4SM |
| | KRKS 291749Z AUTO 26005KT 1 1/4SM BR OVC001 M04/M05 A3016 RMK AO2 SLP257 T10391050 11039 21122 51009 |
| 10:48 MST |  Overcast Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1021 mb (30.15 in) | W 9 kph (W 5.8 mph) | - | 1SM |
| | KRKS 291748Z AUTO 27005KT 1SM BR OVC001 M04/M05 A3016 RMK AO2 |
| 09:54 MST |  Obscured Fog | -6°C / 21°F | -8°C / 18°F | 86% | 1021 mb (30.15 in) | Calm | - | 1/4SM |
| | KRKS 291654Z AUTO 00000KT 1/4SM FZFG VV001 M06/M08 A3016 RMK AO2 SLP260 T10611078 |
| 08:54 MST |  Obscured Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1021 mb (30.15 in) | W 6 kph (W 3.5 mph) | - | 1/4SM |
| | KRKS 291554Z AUTO 28003KT 1/4SM FZFG VV001 M08/M09 A3015 RMK AO2 SLP261 T10781094 |
| 08:19 MST |  Overcast Fog | -9°C / 16°F | -12°C / 10°F | 79% | 1021 mb (30.15 in) | SSW 9 kph (SSW 5.8 mph) | - | 1/4SM |
| | KRKS 291519Z AUTO 26005KT 1/4SM FZFG OVC001 M09/M12 A3014 RMK AO2 |
| 08:10 MST |  Mostly Cloudy Fog And Mist | -11°C / 12°F | -12°C / 10°F | 92% | 1020 mb (30.12 in) | Calm | - | 3/4SM |
| | KRKS 291510Z AUTO 00000KT 3/4SM BR BKN001 M11/M12 A3013 RMK AO2 |
| 07:54 MST |  Partly Cloudy Fog And Mist | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | NW 7 kph (NW 4.6 mph) | - | 2 1/2SM |
| | KRKS 291454Z AUTO 31004KT 2 1/2SM BR FEW001 M11/M13 A3013 RMK AO2 SLP261 T11061128 53009 |
| 07:50 MST |  Partly Cloudy | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | NW 6 kph (NW 3.5 mph) | - | 9SM |
| | KRKS 291450Z AUTO 31003KT 9SM FEW001 M11/M13 A3013 RMK AO2 |
| 07:44 MST |  Clear Hazy | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | WNW 7 kph (WNW 4.6 mph) | - | 1SM |
| | KRKS 291444Z AUTO 29004KT 1SM HZ CLR M11/M13 A3012 RMK AO2 |
| 07:39 MST |  Clear Hazy | -12°C / 10°F | -14°C / 7°F | 85% | 1020 mb (30.12 in) | Calm | - | 1/4SM |
| | KRKS 291439Z AUTO 00000KT 1/4SM HZ CLR M12/M14 A3012 RMK AO2 |
| 07:33 MST |  Obscured Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1020 mb (30.12 in) | Calm | - | 3/4SM |
| | KRKS 291433Z AUTO 00000KT 3/4SM BR VV001 M12/M14 A3012 RMK AO2 |
| 07:31 MST |  Partly Cloudy Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1020 mb (30.12 in) | NW 6 kph (NW 3.5 mph) | - | 1 1/2SM |
| | KRKS 291431Z AUTO 32003KT 1 1/2SM BR FEW001 M12/M14 A3012 RMK AO2 |
| 06:54 MST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KRKS 291354Z AUTO 27007KT 10SM CLR M11/M13 A3012 RMK AO2 SLP253 T11061128 |
| 06:24 MST |  Partly Cloudy Hazy | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | W 11 kph (W 6.9 mph) | - | 3SM |
| | KRKS 291324Z AUTO 27006KT 3SM HZ FEW001 M11/M13 A3011 RMK AO2 |
| 06:21 MST |  Partly Cloudy Fog And Mist | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | W 11 kph (W 6.9 mph) | - | 1 1/2SM |
| | KRKS 291321Z AUTO 27006KT 1 1/2SM BR FEW001 M11/M13 A3011 RMK AO2 |
| 06:00 MST |  Obscured Fog And Mist | -10°C / 14°F | -12°C / 10°F | 85% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 3/4SM |
| | KRKS 291300Z AUTO 26005KT 3/4SM BR VV001 M10/M12 A3010 RMK AO2 |
| 05:54 MST |  Partly Cloudy Hazy | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 11 kph (SSW 6.9 mph) | - | 1 1/4SM |
| | KRKS 291254Z AUTO 26006KT 1 1/4SM HZ SCT001 M11/M13 A3010 RMK AO2 SLP245 T11061133 |
| 05:52 MST |  Obscured Hazy | -11°C / 12°F | -14°C / 7°F | 79% | 1019 mb (30.09 in) | W 11 kph (W 6.9 mph) | - | 1SM |
| | KRKS 291252Z AUTO 27006KT 1SM HZ VV001 M11/M14 A3010 RMK AO2 |
| 05:39 MST |  Obscured Hazy | -11°C / 12°F | -14°C / 7°F | 79% | 1019 mb (30.09 in) | SSW 7 kph (SSW 4.6 mph) | - | 1/4SM |
| | KRKS 291239Z AUTO 26004KT 1/4SM HZ VV001 M11/M14 A3010 RMK AO2 |
| 05:28 MST |  Overcast Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1019 mb (30.09 in) | Calm | - | 3/4SM |
| | KRKS 291228Z AUTO 00000KT 3/4SM BR OVC001 M12/M14 A3010 RMK AO2 VIS 1/4V2 1/2 |
| 05:14 MST |  Overcast Fog | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | W 6 kph (W 3.5 mph) | - | 1/4SM |
| | KRKS 291214Z AUTO 28003KT 1/4SM FZFG BKN001 OVC008 M11/M13 A3010 RMK AO2 |
| 04:57 MST |  Obscured Fog And Mist | -10°C / 14°F | -12°C / 10°F | 85% | 1019 mb (30.09 in) | SW 9 kph (SW 5.8 mph) | - | 3/4SM |
| | KRKS 291157Z AUTO 22005KT 3/4SM BR VV001 M10/M12 A3010 RMK AO2 |
| 04:54 MST |  Partly Cloudy Fog And Mist | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | SW 9 kph (SW 5.8 mph) | - | 1 1/2SM |
| | KRKS 291154Z AUTO 23005KT 1 1/2SM BR SCT001 M09/M12 A3010 RMK AO2 SLP236 T10941117 11050 21106 58002 |
| 04:40 MST |  Partly Cloudy Hazy | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | SSW 11 kph (SSW 6.9 mph) | - | 3SM |
| | KRKS 291140Z AUTO 25006KT 3SM HZ SCT001 M09/M12 A3010 RMK AO2 |
| 04:37 MST |  Obscured Hazy | -9°C / 16°F | -12°C / 10°F | 79% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 1SM |
| | KRKS 291137Z AUTO 25005KT 1SM HZ VV001 M09/M12 A3010 RMK AO2 |
| 04:25 MST |  Obscured Fog | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | Calm | - | 1/4SM |
| | KRKS 291125Z AUTO 00000KT 1/4SM FZFG VV001 M11/M13 A3010 RMK AO2 |
| 04:14 MST |  Obscured Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1019 mb (30.09 in) | Calm | - | 3/4SM |
| | KRKS 291114Z AUTO 00000KT 3/4SM BR VV001 M09/M11 A3010 RMK AO2 |
| 03:54 MST |  Obscured Fog | -9°C / 16°F | -11°C / 12°F | 86% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | - | 1/4SM |
| | KRKS 291054Z AUTO 23004KT 1/4SM FZFG VV001 M09/M11 A3010 RMK AO2 SLP228 T10891106 |
| 03:46 MST |  Obscured Fog | -8°C / 18°F | -10°C / 14°F | 86% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | - | 1/2SM |
| | KRKS 291046Z AUTO 21004KT 1/2SM FZFG VV001 M08/M10 A3010 RMK AO2 |
| 03:38 MST |  Obscured Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1019 mb (30.09 in) | SW 7 kph (SW 4.6 mph) | - | 1SM |
| | KRKS 291038Z AUTO 22004KT 1SM BR VV001 M08/M10 A3010 RMK AO2 |
| 03:18 MST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1019 mb (30.09 in) | SW 6 kph (SW 3.5 mph) | - | 1SM |
| | KRKS 291018Z AUTO 21003KT 1SM BR CLR M07/M09 A3010 RMK AO2 |
| 03:05 MST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1019 mb (30.09 in) | SSW 6 kph (SSW 3.5 mph) | - | 2 1/2SM |
| | KRKS 291005Z AUTO 26003KT 2 1/2SM BR CLR M07/M09 A3010 RMK AO2 VIS 1 1/2V5 |
| 02:54 MST |  Clear Hazy | -7°C / 19°F | -10°C / 14°F | 79% | 1019 mb (30.09 in) | Calm | - | 5SM |
| | KRKS 290954Z AUTO 00000KT 5SM HZ CLR M07/M10 A3010 RMK AO2 SLP223 T10721100 |
| 01:54 MST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1019 mb (30.09 in) | S 7 kph (S 4.6 mph) | - | 7SM |
| | KRKS 290854Z AUTO 18004KT 7SM CLR M07/M09 A3010 RMK AO2 SLP219 T10671089 53006 |
| 00:54 MST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KRKS 290754Z AUTO 00000KT 10SM CLR M07/M08 A3009 RMK AO2 SLP215 T10671083 |