| 09:53 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1015 mb (29.97 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KSFF 151753Z 11003KT 10SM SCT005 OVC014 M03/M06 A2998 RMK AO2 SLP175 60008 T10281056 11028 21044 51018 |
| 08:53 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1015 mb (29.97 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSFF 151653Z 08003KT 10SM OVC005 M03/M06 A2997 RMK AO2 SLP170 T10331056 |
| 07:53 PST |  Overcast Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1014 mb (29.94 in) | E 6 kph (E 3.5 mph) | - | 3SM |
| | KSFF 151553Z 09003KT 3SM BR BKN005 OVC012 M03/M06 A2995 RMK AO2 CIG 005V009 SLP162 T10331056 |
| 07:46 PST |  Overcast Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1014 mb (29.94 in) | E 6 kph (E 3.5 mph) | - | 2SM |
| | KSFF 151546Z 08003KT 2SM BR BKN005 OVC012 M03/M06 A2994 RMK AO2 CIG 005V009 |
| 07:33 PST |  Overcast Fog And Mist | -3°C / 27°F | -6°C / 21°F | 80% | 1014 mb (29.94 in) | Calm | - | 2SM |
| | KSFF 151533Z 00000KT 2SM BR SCT005 OVC014 M03/M06 A2994 RMK AO2 |
| 06:53 PST |  Overcast Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | Calm | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSFF 151453Z 00000KT 2 1/2SM BR OVC014 M04/M06 A2993 RMK AO2 SNE40 SLP155 P0001 60008 T10391056 51003 |
| 05:53 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1013 mb (29.91 in) | E 13 kph (E 8.1 mph) | 0.51 mm (0.02 in) | 2SM |
| | KSFF 151353Z AUTO 08007KT 2SM -SN BR OVC014 M04/M07 A2992 RMK AO2 SLP154 P0002 T10441067 |
| 05:15 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1013 mb (29.91 in) | E 7 kph (E 4.6 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KSFF 151315Z AUTO 10004KT 1 1/2SM -SN BR OVC014 M04/M07 A2992 RMK AO2 P0001 |
| 04:53 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | Calm | 1.27 mm (0.05 in) | 1SM |
| | KSFF 151253Z AUTO 00000KT 1SM -SN BR OVC016 M04/M06 A2993 RMK AO2 SLP155 P0005 T10441061 |
| 04:21 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1013 mb (29.91 in) | Calm | 0.76 mm (0.03 in) | 1 1/2SM |
| | KSFF 151221Z AUTO 00000KT 1 1/2SM -SN BR OVC018 M04/M07 A2992 RMK AO2 P0003 |
| 04:13 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1013 mb (29.91 in) | Calm | 0.51 mm (0.02 in) | 3/4SM |
| | KSFF 151213Z AUTO 00000KT 3/4SM -SN BR OVC018 M04/M07 A2992 RMK AO2 P0002 |
| 04:02 PST |  Overcast Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | Calm | 0.25 mm (0.01 in) | 1/2SM |
| | KSFF 151202Z AUTO 00000KT 1/2SM SN FZFG FEW005 OVC016 M04/M06 A2992 RMK AO2 P0001 |
| 03:53 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | Calm | 1.52 mm (0.06 in) | 3/4SM |
| | KSFF 151153Z AUTO 00000KT 3/4SM -SN BR OVC016 M04/M06 A2992 RMK AO2 SLP152 P0006 60020 70022 T10441061 11044 21044 58008 |
| 03:32 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | Calm | 1.02 mm (0.04 in) | 1SM |
| | KSFF 151132Z AUTO 00000KT 1SM -SN BR BKN016 OVC021 M04/M06 A2992 RMK AO2 P0004 |
| 02:53 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | Calm | 1.27 mm (0.05 in) | 3/4SM |
| | KSFF 151053Z AUTO 00000KT 3/4SM -SN BR FEW005 OVC018 M04/M06 A2993 RMK AO2 SLP156 P0005 T10441061 |
| 02:39 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | SE 6 kph (SE 3.5 mph) | 1.02 mm (0.04 in) | 3/4SM |
| | KSFF 151039Z AUTO 12003KT 3/4SM -SN BR SCT005 OVC018 M04/M06 A2993 RMK AO2 P0004 |
| 02:26 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | SE 6 kph (SE 3.5 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KSFF 151026Z AUTO 12003KT 3/4SM -SN BR OVC018 M04/M06 A2993 RMK AO2 P0002 |
| 02:08 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | Calm | 0.25 mm (0.01 in) | 1SM |
| | KSFF 151008Z AUTO 00000KT 1SM -SN BR OVC018 M04/M06 A2994 RMK AO2 P0001 |
| 01:53 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1014 mb (29.94 in) | ESE 9 kph (ESE 5.8 mph) | 1.02 mm (0.04 in) | 3/4SM |
| | KSFF 150953Z AUTO 11005KT 3/4SM -SN BR BKN016 OVC020 M04/M06 A2994 RMK AO2 SLP159 P0004 T10441061 |
| 00:53 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1014 mb (29.94 in) | ESE 15 kph (ESE 9.2 mph) | 0.76 mm (0.03 in) | 1 1/2SM |
| | KSFF 150853Z AUTO 11008KT 1 1/2SM -SN BR OVC018 M04/M07 A2994 RMK AO2 SLP161 P0003 60005 T10441067 56024 |
| 00:17 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1015 mb (29.97 in) | SE 7 kph (SE 4.6 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KSFF 150817Z AUTO 13004KT 1 3/4SM -SN BR OVC018 M04/M07 A2996 RMK AO2 P0001 |
| 00:02 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1015 mb (29.97 in) | ESE 9 kph (ESE 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KSFF 150802Z AUTO 11005KT 2SM -SN BR FEW008 BKN018 OVC024 M04/M07 A2996 RMK AO2 P0001 |