| 15:53 PST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTIW 252353Z 01005KT 10SM CLR 06/01 A3012 RMK AO2 SLP202 T00610011 10067 20022 57011 |
| 14:53 PST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTIW 252253Z 35005KT 10SM CLR 06/01 A3013 RMK AO2 SLP206 T00610006 |
| 13:53 PST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1021 mb (30.15 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTIW 252153Z 01005KT 10SM CLR 06/00 A3014 RMK AO2 SLP209 T00610000 |
| 12:53 PST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KTIW 252053Z 36004KT 10SM CLR 06/01 A3015 RMK AO2 SLP213 T00560006 58016 |
| 11:53 PST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KTIW 251953Z 00000KT 10SM CLR 05/01 A3017 RMK AO2 SLP219 T00500006 |
| 10:53 PST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KTIW 251853Z 00000KT 10SM FEW020 04/02 A3018 RMK AO2 SLP224 T00390017 |
| 09:53 PST |  Clear | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KTIW 251753Z 00000KT 10SM CLR 02/01 A3020 RMK AO2 SLP229 60001 T00220006 10022 20006 55002 |
| 08:53 PST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KTIW 251653Z 04005KT 10SM CLR 02/M01 A3020 RMK AO2 SLP229 T00171006 |
| 07:53 PST |  Partly Cloudy Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1023 mb (30.21 in) | Variable 6 kph (Variable 3.5 mph) | - | 5SM |
| | KTIW 251553Z VRB03KT 5SM BR SCT005 01/01 A3020 RMK AO2 SLP232 T00110006 |
| 06:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1023 mb (30.21 in) | Calm | - | 6SM |
| | KTIW 251453Z AUTO 00000KT 6SM BR OVC005 01/01 A3020 RMK AO2 SLP232 60001 T00110006 57006 |
| 06:06 PST |  Mostly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KTIW 251406Z AUTO 04003KT 10SM BKN007 02/01 A3021 RMK AO2 |
| 05:53 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KTIW 251353Z AUTO 02004KT 10SM SCT005 02/01 A3021 RMK AO2 SLP235 T00170006 |
| 05:44 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | NNE 6 kph (NNE 3.5 mph) | - | 9SM |
| | KTIW 251344Z AUTO 02003KT 9SM FEW005 02/01 A3021 RMK AO2 |
| 05:01 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | N 9 kph (N 5.8 mph) | - | 8SM |
| | KTIW 251301Z AUTO 36005KT 8SM OVC003 02/01 A3022 RMK AO2 |
| 04:53 PST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | NNE 9 kph (NNE 5.8 mph) | 0.25 mm (0.01 in) | 8SM |
| | KTIW 251253Z AUTO 02005KT 8SM OVC005 02/01 A3021 RMK AO2 CIG 003V007 SLP235 P0001 T00170011 |
| 03:53 PST |  Overcast Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KTIW 251153Z AUTO 00000KT 5SM BR OVC005 01/01 A3022 RMK AO2 SLP237 T00110006 10028 20000 58002 |
| 03:06 PST |  Mostly Cloudy Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1024 mb (30.24 in) | Calm | - | 4SM |
| | KTIW 251106Z AUTO 00000KT 4SM BR BKN005 00/M01 A3023 RMK AO2 |
| 02:53 PST |  Partly Cloudy | 0°C / 32°F | -1°C / 30°F | 93% | 1024 mb (30.24 in) | Calm | - | 8SM |
| | KTIW 251053Z AUTO 00000KT 8SM SCT007 00/M01 A3023 RMK AO2 SLP241 T00001006 |
| 02:37 PST |  Partly Cloudy | 0°C / 32°F | -1°C / 30°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTIW 251037Z AUTO 00000KT 10SM SCT007 00/M01 A3023 RMK AO2 |
| 01:53 PST |  Mostly Cloudy | 0°C / 32°F | -1°C / 30°F | 93% | 1024 mb (30.24 in) | Calm | - | 9SM |
| | KTIW 250953Z AUTO 00000KT 9SM BKN007 00/M01 A3023 RMK AO2 SLP240 T00001006 |
| 01:43 PST |  Mostly Cloudy | 1°C / 34°F | 0°C / 32°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTIW 250943Z AUTO 00000KT 10SM BKN007 01/00 A3023 RMK AO2 |
| 01:34 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KTIW 250934Z AUTO 00000KT 10SM SCT007 02/01 A3022 RMK AO2 |
| 00:53 PST |  Partly Cloudy | 2°C / 36°F | 1°C / 34°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTIW 250853Z AUTO 00000KT 10SM FEW090 02/01 A3023 RMK AO2 SLP240 T00220011 58004 |