| 07:50 PST |  Obscured Fog | 0°C / 32°F | 0°C / 32°F | 100% | 1020 mb (30.12 in) | NW 6 kph (NW 3.5 mph) | - | 1/16SM |
| | KHMS 301550Z 31003KT 1/16SM FZFG VV001 M00/M00 A3013 RMK SLP214 T10021002 RSNK 02/25016 |
| 06:50 PST |  Obscured Fog | 0°C / 32°F | 0°C / 32°F | 100% | 1021 mb (30.15 in) | NW 6 kph (NW 3.5 mph) | - | 1/16SM |
| | KHMS 301450Z 31003KT 1/16SM FZFG VV001 M00/M00 A3015 RMK SLP221 T10021002 56015 RSNK 01/22024 |
| 05:50 PST |  Obscured Fog | 0°C / 32°F | 0°C / 32°F | 100% | 1021 mb (30.15 in) | WNW 2 kph (WNW 1.2 mph) | - | 1/16SM |
| | KHMS 301350Z 29001KT 1/16SM FZFG VV001 M00/M00 A3015 RMK SLP221 T10031003 RSNK 01/22024 |
| 04:50 PST |  Obscured Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | NW 6 kph (NW 3.5 mph) | - | 1/8SM |
| | KHMS 301250Z 30003KT 1/8SM FZFG VV001 M01/M01 A3018 RMK SLP229 T10061006 RSNK 01/22021 |
| 03:50 PST |  Obscured Fog | -1°C / 30°F | -1°C / 30°F | 100% | 1023 mb (30.21 in) | W 4 kph (W 2.3 mph) | - | 1/4SM |
| | KHMS 301150Z 28002KT 1/4SM FZFG VV002 M01/M01 A3020 RMK SLP236 T10081009 10000 21027 57020 RSNK 01/22023 |
| 02:50 PST |  Partly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1024 mb (30.24 in) | S 6 kph (S 3.5 mph) | - | 3/4SM |
| | KHMS 301050Z 19003KT 3/4SM BR FEW000 M02/M03 A3023 RMK SLP246 T10251028 RSNK 02/22017 |
| 01:50 PST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 15SM |
| | KHMS 300950Z 24003KT 15SM SKC M01/M01 A3025 RMK SLP251 T10081011 RSNK 03/22012 |
| 00:50 PST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1025 mb (30.27 in) | SW 7 kph (SW 4.6 mph) | - | 15SM |
| | KHMS 300850Z 21004KT 15SM SKC M01/M02 A3026 RMK SLP257 T10151021 57024 RSNK 04/21009 |