| 17:53 PST |  Partly Cloudy | 16°C / 61°F | 8°C / 46°F | 59% | 1021 mb (30.15 in) | Variable 11 kph (Variable 6.9 mph) | - | 10SM |
| | KTIW 060153Z VRB06KT 10SM FEW055 16/08 A3014 RMK AO2 SLP204 T01610078 |
| 16:53 PST |  Partly Cloudy | 18°C / 64°F | 7°C / 45°F | 49% | 1021 mb (30.15 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KTIW 060053Z 21007KT 10SM FEW049 SCT070 18/07 A3014 RMK AO2 SLP204 T01780072 |
| 15:53 PST |  Partly Cloudy | 18°C / 64°F | 7°C / 45°F | 49% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KTIW 052353Z 25006KT 10SM FEW042 SCT080 18/07 A3014 RMK AO2 SLP204 T01780072 10189 20133 56011 |
| 14:53 PST |  Mostly Cloudy | 17°C / 63°F | 7°C / 45°F | 52% | 1021 mb (30.15 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KTIW 052253Z 16006KT 10SM BKN070 17/07 A3014 RMK AO2 SLP207 T01720072 |
| 13:53 PST |  Mostly Cloudy | 16°C / 61°F | 7°C / 45°F | 55% | 1021 mb (30.15 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KTIW 052153Z 13005KT 10SM BKN085 16/07 A3015 RMK AO2 SLP210 T01610072 |
| 12:53 PST |  Mostly Cloudy | 16°C / 61°F | 8°C / 46°F | 59% | 1022 mb (30.18 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KTIW 052053Z 17007KT 10SM BKN041 BKN080 16/08 A3017 RMK AO2 SLP216 T01560083 58001 |
| 11:53 PST |  Mostly Cloudy | 15°C / 59°F | 8°C / 46°F | 63% | 1022 mb (30.18 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KTIW 051953Z VRB05KT 10SM BKN043 15/08 A3017 RMK AO2 SLP215 T01500083 |
| 10:53 PST |  Mostly Cloudy | 14°C / 57°F | 8°C / 46°F | 67% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KTIW 051853Z 22005KT 10SM SCT028 BKN039 14/08 A3018 RMK AO2 SLP218 T01390078 |
| 09:53 PST |  Mostly Cloudy | 13°C / 55°F | 9°C / 48°F | 77% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KTIW 051753Z 15003KT 10SM FEW020 BKN031 13/09 A3017 RMK AO2 SLP218 T01330089 10139 20111 51010 |
| 08:53 PST |  Mostly Cloudy | 13°C / 55°F | 9°C / 48°F | 77% | 1022 mb (30.18 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KTIW 051653Z 20007KT 10SM FEW014 BKN022 13/09 A3017 RMK AO2 SLP218 T01330089 |
| 07:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1021 mb (30.15 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KTIW 051553Z 21006KT 10SM OVC017 12/09 A3016 RMK AO2 SLP212 T01170089 |
| 06:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1021 mb (30.15 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KTIW 051453Z 19006KT 10SM OVC015 12/09 A3014 RMK AO2 SLP208 T01170089 53013 |
| 06:27 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1021 mb (30.15 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KTIW 051427Z AUTO 20005KT 10SM BKN015 OVC049 12/09 A3014 RMK AO2 |
| 06:04 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1020 mb (30.12 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KTIW 051404Z AUTO 19006KT 10SM SCT013 SCT047 OVC060 12/09 A3013 RMK AO2 |
| 05:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1020 mb (30.12 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KTIW 051353Z AUTO 20008KT 10SM BKN013 BKN050 OVC060 12/09 A3012 RMK AO2 SLP200 T01170089 |
| 04:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1020 mb (30.12 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KTIW 051253Z AUTO 20005KT 10SM OVC011 12/09 A3011 RMK AO2 SLP196 T01170089 |
| 03:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1020 mb (30.12 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KTIW 051153Z AUTO 21005KT 10SM OVC011 12/09 A3011 RMK AO2 SLP194 T01170094 10128 20111 51005 |
| 02:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KTIW 051053Z AUTO 20007KT 10SM OVC011 12/09 A3010 RMK AO2 SLP191 T01170094 |
| 02:36 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KTIW 051036Z AUTO 20006KT 10SM BKN013 OVC060 12/09 A3010 RMK AO2 |
| 02:07 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KTIW 051007Z AUTO 20006KT 10SM SCT013 OVC060 12/09 A3010 RMK AO2 |
| 01:53 PST |  Mostly Cloudy | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KTIW 050953Z AUTO 21005KT 10SM BKN013 BKN050 12/09 A3010 RMK AO2 SLP193 T01170089 |
| 00:53 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KTIW 050853Z AUTO 20006KT 10SM BKN012 OVC018 12/09 A3009 RMK AO2 SLP189 T01170094 53001 |
| 00:46 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KTIW 050846Z AUTO 21005KT 10SM BKN012 OVC018 12/09 A3009 RMK AO2 |
| 00:35 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KTIW 050835Z AUTO 22008KT 10SM SCT012 OVC018 12/09 A3009 RMK AO2 |
| 00:23 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KTIW 050823Z AUTO 20007KT 10SM BKN013 OVC018 12/09 A3009 RMK AO2 |
| 00:09 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KTIW 050809Z AUTO 22006KT 10SM OVC015 12/09 A3009 RMK AO2 |
| 00:02 PST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1019 mb (30.09 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KTIW 050802Z AUTO 22008KT 10SM OVC013 12/09 A3010 RMK AO2 |