| 23:10 PST |  Mostly Cloudy Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | SSE 9 kph (SSE 5.8 mph) | - | 5SM |
| | KNFL 220710Z AUTO 15005KT 5SM BR FEW003 SCT024 BKN033 00/M01 A2977 RMK AO2 FZRANO TSNO PNO $ |
| 22:56 PST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | SSE 13 kph (SSE 8.1 mph) | - | 4SM |
| | KNFL 220656Z AUTO 15007KT 4SM BR BKN026 BKN034 OVC042 00/M01 A2977 RMK AO2 RAB13E30UPB44E54SNE30 SLP061 T00001006 FZRANO TSNO PNO $ |
| 22:51 PST |  Overcast Unknown Precip | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | SSE 19 kph (SSE 11.5 mph) | - | 4SM |
| | KNFL 220651Z AUTO 15010KT 4SM UP BR BKN024 BKN030 OVC042 00/M01 A2977 RMK AO2 RAB13E30UPB44SNE30 FZRANO TSNO PNO $ |
| 22:30 PST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | SE 11 kph (SE 6.9 mph) | - | 2SM |
| | KNFL 220630Z 14006KT 2SM BR BKN018 BKN027 OVC033 00/M01 A2977 RMK AO2 RAB13E30SNE30 PNO $ |
| 22:03 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | ESE 13 kph (ESE 8.1 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KNFL 220603Z 11007KT 1 1/4SM -SN BR SCT009 OVC016 M01/M02 A2977 RMK AO2 P0000 |
| 21:56 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | E 11 kph (E 6.9 mph) | 0.00 mm (0.00 in) | 1SM |
| | KNFL 220556Z 10006KT 1SM -SN BR BKN018 OVC038 M01/M02 A2978 RMK AO2 SNB11 SLP062 60005 P0000 T10111022 10000 21028 50003 |
| 21:29 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | SE 9 kph (SE 5.8 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KNFL 220529Z 13005KT 3/4SM -SN BR BKN018 OVC038 M01/M02 A2979 RMK AO2 SNB11 P0000 |
| 21:20 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | SE 9 kph (SE 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KNFL 220520Z 13005KT 1 3/4SM -SN BKN018 OVC038 M01/M02 A2978 RMK AO2 VIS 1V4 SNB11 P0000 |
| 21:15 PST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | SE 6 kph (SE 3.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KNFL 220515Z 13003KT 4SM -SN BKN025 OVC038 00/M02 A2978 RMK AO2 SNB11 P0000 |
| 20:56 PST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KNFL 220456Z 31006KT 4SM BR BKN033 OVC048 M01/M02 A2978 RMK AO2 UPB43E51 SLP064 P0000 T10061022 |
| 19:56 PST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1008 mb (29.77 in) | Calm | - | 4SM |
| | KNFL 220356Z 00000KT 4SM BR BKN090 BKN110 OVC180 M02/M04 A2976 RMK AO2 SLP058 T10221039 |
| 18:56 PST |  Mostly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | ENE 6 kph (ENE 3.5 mph) | - | 4SM |
| | KNFL 220256Z 06003KT 4SM BR BKN060 BKN130 BKN180 M02/M03 A2977 RMK AO2 SLP059 T10221033 56016 |
| 17:56 PST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | S 7 kph (S 4.6 mph) | - | 5SM |
| | KNFL 220156Z 17004KT 5SM BR FEW065 BKN100 OVC180 M02/M03 A2978 RMK AO2 SLP062 T10221033 |
| 16:56 PST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | Calm | - | 5SM |
| | KNFL 220056Z 00000KT 5SM BR SCT075 OVC095 M01/M02 A2981 RMK AO2 SLP072 T10111022 |
| 15:56 PST |  Mostly Cloudy Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | Calm | - | 4SM |
| | KNFL 212356Z 00000KT 4SM BR FEW050 BKN080 BKN180 M01/M02 A2982 RMK AO2 SLP075 60001 T10061022 10011 21067 56021 |
| 14:56 PST |  Mostly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1010 mb (29.83 in) | Calm | - | 7SM |
| | KNFL 212256Z 00000KT 7SM FEW060 BKN090 BKN150 BKN200 01/M02 A2984 RMK AO2 SLP081 T00061022 |
| 13:56 PST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1011 mb (29.85 in) | Calm | - | 7SM |
| | KNFL 212156Z 00000KT 7SM BKN090 BKN150 OVC220 01/M02 A2986 RMK AO2 SLP086 T00111022 |
| 12:56 PST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1012 mb (29.88 in) | N 7 kph (N 4.6 mph) | - | 7SM |
| | KNFL 212056Z 01004KT 7SM BKN090 BKN150 BKN220 M01/M04 A2989 RMK AO2 SLP095 60001 T10061039 58030 |
| 11:56 PST |  Mostly Cloudy Hazy | -1°C / 30°F | -6°C / 21°F | 69% | 1013 mb (29.91 in) | Calm | - | 6SM |
| | KNFL 211956Z 00000KT 6SM HZ SCT080 SCT150 BKN220 M01/M06 A2992 RMK AO2 SLP106 FG BNK SE-S T10111056 |
| 10:56 PST |  Overcast Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1015 mb (29.97 in) | SW 7 kph (SW 4.6 mph) | 0.25 mm (0.01 in) | 6SM |
| | KNFL 211856Z 23004KT 6SM BR SCT080 SCT150 OVC220 M04/M06 A2996 RMK AO2 SLP118 FG BNK SE-S P0001 T10441061 |
| 09:56 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1016 mb (30 in) | Calm | - | 6SM |
| | KNFL 211756Z 00000KT 6SM BR SCT080 BKN150 BKN200 M05/M07 A2999 RMK AO2 SLP126 VIS S-SW 1 T10541072 11056 21089 58005 |
| 09:24 PST |  Mostly Cloudy Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1016 mb (30 in) | Calm | - | 3SM |
| | KNFL 211724Z 00000KT 3SM BR FEW050 SCT085 BKN150 BKN200 M07/M08 A3001 RMK AO2 VIS S-SW 1 |
| 09:03 PST |  Mostly Cloudy Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1016 mb (30 in) | Calm | - | 1SM |
| | KNFL 211703Z 00000KT 1SM BR FEW002 SCT025 BKN100 BKN200 M07/M09 A3000 RMK AO2 $ |
| 08:56 PST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -9°C / 16°F | 100% | 1016 mb (30 in) | NNW 6 kph (NNW 3.5 mph) | - | 3/4SM |
| | KNFL 211656Z 33003KT 3/4SM BR SCT002 BKN100 BKN200 M09/M09 A3001 RMK AO2 SLP132 T10901090 $ |
| 08:07 PST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -9°C / 16°F | 100% | 1016 mb (30 in) | Calm | - | 3/4SM |
| | KNFL 211607Z 00000KT 3/4SM BR SCT002 BKN100 BKN200 M09/M09 A3000 RMK AO2 $ |
| 08:03 PST |  Obscured Fog | N/A | N/A | N/A | 1016 mb (30 in) | Calm | - | 1/4SM |
| | KNFL 211603Z 00000KT 1/4SM FG VV001 A3000 RMK AO2 $ |
| 07:56 PST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -9°C / 16°F | 100% | 1016 mb (30 in) | Calm | - | 3/4SM |
| | KNFL 211556Z 00000KT 3/4SM BR SCT002 BKN100 BKN200 M09/M09 A3000 RMK AO2 SLP129 T10901090 $ |
| 06:56 PST |  Obscured Fog | -8°C / 18°F | -10°C / 14°F | 86% | 1016 mb (30 in) | Calm | - | 1/2SM |
| | KNFL 211456Z 00000KT 1/2SM FZFG VV001 M08/M10 A3001 RMK AO2 SLP132 T10801101 56007 |
| 06:21 PST |  Obscured Fog | -8°C / 18°F | -10°C / 14°F | 86% | 1016 mb (30 in) | Calm | - | 1/2SM |
| | KNFL 211421Z 00000KT 1/2SM FZFG VV001 M08/M10 A3001 RMK AO2 $ |
| 06:19 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1016 mb (30 in) | Calm | - | 1 1/4SM |
| | KNFL 211419Z AUTO 00000KT 1 1/4SM BR BKN001 OVC007 M07/ A3001 RMK AO2 FZRANO TSNO $ |
| 06:12 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | Calm | - | 1 3/4SM |
| | KNFL 211412Z AUTO 00000KT 1 3/4SM BR SCT001 OVC007 M07/ A3002 RMK AO2 FZRANO TSNO $ |
| 06:05 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | Calm | - | 2SM |
| | KNFL 211405Z AUTO 00000KT 2SM BR BKN001 OVC007 M07/ A3002 RMK AO2 FZRANO TSNO $ |
| 05:56 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | Calm | - | 1 3/4SM |
| | KNFL 211356Z AUTO 00000KT 1 3/4SM BR BKN001 OVC007 M07/ A3002 RMK AO2 SLP134 T1067 FZRANO TSNO $ |
| 05:43 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | N 6 kph (N 3.5 mph) | - | 2 1/2SM |
| | KNFL 211343Z AUTO 36003KT 2 1/2SM BR BKN001 OVC007 M07/ A3002 RMK AO2 FZRANO TSNO $ |
| 05:25 PST |  Overcast Fog And Mist | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | NE 6 kph (NE 3.5 mph) | - | 1 1/4SM |
| | KNFL 211325Z AUTO 03003KT 1 1/4SM BR BKN001 OVC007 M07/ A3002 RMK AO2 FZRANO TSNO $ |
| 04:56 PST |  Overcast Fog | -7°C / 19°F | N/A | N/A | 1017 mb (30.03 in) | NE 7 kph (NE 4.6 mph) | - | 1/2SM |
| | KNFL 211256Z AUTO 04004KT 1/2SM FZFG BKN001 OVC007 M07/ A3002 RMK AO2 SLP135 T1067 FZRANO TSNO $ |
| 04:28 PST |  Overcast Fog | -6°C / 21°F | N/A | N/A | 1017 mb (30.03 in) | NE 6 kph (NE 3.5 mph) | - | 1/2SM |
| | KNFL 211228Z AUTO 05003KT 1/2SM FZFG BKN001 OVC007 M06/ A3003 RMK AO2 FZRANO TSNO $ |
| 03:56 PST |  Obscured Fog | -6°C / 21°F | N/A | N/A | 1017 mb (30.03 in) | Calm | - | 1/4SM |
| | KNFL 211156Z AUTO 00000KT 1/4SM FZFG VV001 M06/ A3003 RMK AO2 SLP139 T1056 11039 21056 58011 FZRANO TSNO $ |
| 02:56 PST |  Obscured Fog | -5°C / 23°F | N/A | N/A | 1018 mb (30.06 in) | Calm | - | 1/4SM |
| | KNFL 211056Z AUTO 00000KT 1/4SM FZFG VV001 M05/ A3006 RMK AO2 SLP147 T1050 FZRANO TSNO $ |
| 02:16 PST |  Overcast Fog | -5°C / 23°F | N/A | N/A | 1018 mb (30.06 in) | Calm | - | 1/4SM |
| | KNFL 211016Z AUTO 00000KT 1/4SM FZFG BKN001 OVC007 M05/ A3007 RMK AO2 FZRANO TSNO $ |
| 01:56 PST |  Overcast Fog | -6°C / 21°F | N/A | N/A | 1019 mb (30.09 in) | Calm | - | 1/2SM |
| | KNFL 210956Z AUTO 00000KT 1/2SM FZFG BKN001 OVC007 M06/ A3008 RMK AO2 SLP152 T1056 FZRANO TSNO $ |
| 01:13 PST |  Overcast Fog | -6°C / 21°F | N/A | N/A | 1018 mb (30.06 in) | Calm | - | 1/2SM |
| | KNFL 210913Z AUTO 00000KT 1/2SM FZFG BKN001 OVC007 M06/ A3006 RMK AO2 FZRANO TSNO $ |
| 00:56 PST |  Obscured Fog | -6°C / 21°F | N/A | N/A | 1018 mb (30.06 in) | Calm | - | 1/4SM |
| | KNFL 210856Z AUTO 00000KT 1/4SM FZFG VV001 M06/ A3007 RMK AO2 SLP150 T1056 58001 FZRANO TSNO $ |