| 20:53 PST |  Partly Cloudy Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | W 15 kph (W 9.2 mph) | - | 5SM |
| | KYKM 010453Z 28008KT 5SM BR FEW075 M01/M02 A3013 RMK AO2 SLP218 T10111017 |
| 19:53 PST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1020 mb (30.12 in) | W 11 kph (W 6.9 mph) | - | 4SM |
| | KYKM 010353Z 28006KT 4SM BR CLR M02/M03 A3012 RMK AO2 SLP213 T10171028 |
| 18:53 PST |  Clear Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1019 mb (30.09 in) | SSW 7 kph (SSW 4.6 mph) | - | 4SM |
| | KYKM 010253Z 26004KT 4SM BR CLR M01/M01 A3009 RMK AO2 SLP204 T10061011 51012 |
| 17:53 PST |  Clear Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1019 mb (30.09 in) | SSW 9 kph (SSW 5.8 mph) | - | 5SM |
| | KYKM 010153Z 26005KT 5SM BR CLR M01/M01 A3009 RMK AO2 SLP203 T10061011 |
| 16:53 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KYKM 010053Z 00000KT 7SM FEW070 02/01 A3008 RMK AO2 SLP198 T00220006 |
| 15:53 PST |  Clear | 3°C / 37°F | 1°C / 34°F | 87% | 1018 mb (30.06 in) | E 9 kph (E 5.8 mph) | - | 7SM |
| | KYKM 302353Z 09005KT 7SM CLR 03/01 A3006 RMK AO2 SLP189 T00330011 10039 21022 56013 |
| 14:53 PST |  Clear Hazy | 4°C / 39°F | 1°C / 34°F | 81% | 1018 mb (30.06 in) | E 7 kph (E 4.6 mph) | - | 6SM |
| | KYKM 302253Z 09004KT 6SM HZ CLR 04/01 A3007 RMK AO2 SLP193 T00390011 |
| 13:53 PST |  Partly Cloudy | 3°C / 37°F | 1°C / 34°F | 87% | 1019 mb (30.09 in) | E 7 kph (E 4.6 mph) | - | 7SM |
| | KYKM 302153Z 08004KT 7SM SCT100 03/01 A3008 RMK AO2 SLP197 VIS E 4SM T00330006 |
| 12:53 PST |  Clear | 1°C / 34°F | 0°C / 32°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KYKM 302053Z 00000KT 10SM CLR 01/00 A3010 RMK AO2 SLP204 VIS E 4SM BR T00110000 56016 |
| 11:53 PST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KYKM 301953Z 00000KT 10SM CLR 00/M01 A3011 RMK AO2 SLP208 VIS E 3SM BR T00001011 |
| 10:53 PST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KYKM 301853Z 00000KT 10SM CLR M01/M02 A3012 RMK AO2 SLP213 VIS E 3SM BR T10061017 |
| 09:53 PST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KYKM 301753Z 00000KT 10SM CLR M02/M03 A3014 RMK AO2 SLP222 VIS E 2SM BR T10221028 11022 21056 56006 |
| 09:19 PST |  Clear | -3°C / 27°F | -3°C / 27°F | 100% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KYKM 301719Z 00000KT 10SM CLR M03/M03 A3014 RMK AO2 VIS E 2SM BR |
| 09:06 PST |  Partly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1021 mb (30.15 in) | Calm | - | 2 1/2SM |
| | KYKM 301706Z 00000KT 2 1/2SM BR SCT002 M03/M04 A3015 RMK AO2 |
| 08:53 PST |  Mostly Cloudy Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1021 mb (30.15 in) | Calm | - | 2 1/2SM |
| | KYKM 301653Z 00000KT 2 1/2SM BR BKN002 M03/M04 A3015 RMK AO2 SLP224 T10331044 |
| 08:38 PST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -4°C / 25°F | 100% | 1021 mb (30.15 in) | Calm | - | 2 1/2SM |
| | KYKM 301638Z 00000KT 2 1/2SM BR BKN002 M04/M04 A3015 RMK AO2 |
| 08:28 PST |  Obscured Fog | -4°C / 25°F | -4°C / 25°F | 100% | 1021 mb (30.15 in) | Calm | - | 1/2SM |
| | KYKM 301628Z 00000KT 1/2SM FZFG VV001 M04/M04 A3015 RMK AO2 |
| 08:03 PST |  Mostly Cloudy Fog | -4°C / 25°F | -4°C / 25°F | 100% | 1021 mb (30.15 in) | Calm | - | 1/4SM |
| | KYKM 301603Z 00000KT 1/4SM FZFG BKN002 M04/M04 A3015 RMK AO2 TWR VIS 1/2 |
| 07:53 PST |  Mostly Cloudy Fog | -4°C / 25°F | -5°C / 23°F | 93% | 1021 mb (30.15 in) | Calm | - | 1/2SM |
| | KYKM 301553Z 00000KT 1/2SM FZFG BKN002 M04/M05 A3016 RMK AO2 VIS 1/4V2 SLP226 T10441050 |
| 07:30 PST |  Mostly Cloudy Fog | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | Calm | - | 1/4SM |
| | KYKM 301530Z 00000KT 1/4SM FZFG BKN002 M05/M06 A3016 RMK AO2 SFC VIS 1/2 |
| 07:20 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -5°C / 23°F | 100% | 1021 mb (30.15 in) | Calm | - | 1SM |
| | KYKM 301520Z 00000KT 1SM BR BKN002 M05/M05 A3015 RMK AO2 SFC VIS 1 1/4 |
| 07:08 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | Calm | - | 2SM |
| | KYKM 301508Z 00000KT 2SM BR BKN002 M05/M06 A3016 RMK AO2 SFC VIS 3 |
| 07:00 PST |  Partly Cloudy Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | Calm | - | 3SM |
| | KYKM 301500Z 00000KT 3SM BR SCT002 M05/M06 A3016 RMK AO2 SFC VIS 4 |
| 06:53 PST |  Clear Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | Calm | - | 3SM |
| | KYKM 301453Z 00000KT 3SM BR CLR M05/M06 A3016 RMK AO2 SFC VIS 5 SLP228 T10501056 55015 |
| 06:38 PST |  Clear Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | NE 6 kph (NE 3.5 mph) | - | 3SM |
| | KYKM 301438Z 03003KT 3SM BR CLR M05/M06 A3016 RMK AO2 SFC VIS 3 |
| 06:27 PST |  Clear Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1021 mb (30.15 in) | Calm | - | 2 1/2SM |
| | KYKM 301427Z 00000KT 2 1/2SM BR CLR M05/M06 A3016 RMK AO2 TWR VIS 3 |
| 05:53 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1021 mb (30.15 in) | Calm | - | 6SM |
| | KYKM 301353Z 00000KT 6SM BR CLR M04/M06 A3016 RMK AO2 SLP228 T10441061 |
| 04:53 PST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1022 mb (30.18 in) | Calm | - | 6SM |
| | KYKM 301253Z AUTO 00000KT 6SM BR CLR M04/M05 A3018 RMK AO2 SLP232 T10441050 |
| 04:06 PST |  Partly Cloudy Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1023 mb (30.21 in) | SSW 7 kph (SSW 4.6 mph) | - | 6SM |
| | KYKM 301206Z AUTO 26004KT 6SM BR SCT001 M05/M06 A3020 RMK AO2 |
| 04:00 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1023 mb (30.21 in) | SSW 7 kph (SSW 4.6 mph) | - | 2 1/2SM |
| | KYKM 301200Z AUTO 26004KT 2 1/2SM BR BKN001 M05/M06 A3020 RMK AO2 |
| 03:53 PST |  Obscured Fog | -5°C / 23°F | -5°C / 23°F | 100% | 1023 mb (30.21 in) | W 7 kph (W 4.6 mph) | - | 1/2SM |
| | KYKM 301153Z AUTO 28004KT 1/2SM FZFG VV001 M05/M05 A3021 RMK AO2 SLP241 T10501050 11028 21050 58018 |
| 03:45 PST |  Obscured Fog | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | WNW 9 kph (WNW 5.8 mph) | - | 1/4SM |
| | KYKM 301145Z AUTO 29005KT 1/4SM FZFG VV001 M04/M05 A3021 RMK AO2 |
| 03:10 PST |  Obscured Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1023 mb (30.21 in) | WNW 6 kph (WNW 3.5 mph) | - | 3/4SM |
| | KYKM 301110Z AUTO 29003KT 3/4SM BR VV001 M04/M05 A3022 RMK AO2 |
| 03:08 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NW 6 kph (NW 3.5 mph) | - | 1 1/2SM |
| | KYKM 301108Z AUTO 30003KT 1 1/2SM BR SCT002 M04/M06 A3022 RMK AO2 |
| 03:03 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KYKM 301103Z AUTO 00000KT 5SM BR SCT002 M04/M06 A3022 RMK AO2 |
| 02:53 PST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KYKM 301053Z AUTO 00000KT 5SM BR BKN002 M04/M05 A3023 RMK AO2 SLP246 T10441050 |
| 02:36 PST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KYKM 301036Z AUTO 00000KT 5SM BR BKN002 M04/M06 A3024 RMK AO2 |
| 02:27 PST |  Partly Cloudy Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1024 mb (30.24 in) | Calm | - | 5SM |
| | KYKM 301027Z AUTO 00000KT 5SM BR SCT002 M04/M05 A3024 RMK AO2 |
| 01:53 PST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1024 mb (30.24 in) | NW 9 kph (NW 5.8 mph) | - | 4SM |
| | KYKM 300953Z AUTO 32005KT 4SM BR CLR M04/M05 A3025 RMK AO2 SLP254 T10391050 |
| 00:53 PST |  Clear Fog And Mist | -4°C / 25°F | -5°C / 23°F | 93% | 1025 mb (30.27 in) | W 6 kph (W 3.5 mph) | - | 4SM |
| | KYKM 300853Z AUTO 28003KT 4SM BR CLR M04/M05 A3026 RMK AO2 SLP260 T10441050 58012 |