| 16:53 PST |  Overcast | 13°C / 55°F | 1°C / 34°F | 44% | 1014 mb (29.94 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KPRB 120053Z AUTO 20004KT 10SM BKN050 OVC075 13/01 A2993 RMK AO2 SLP134 T01330011 |
| 15:53 PST |  Mostly Cloudy | 14°C / 57°F | 1°C / 34°F | 41% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KPRB 112353Z AUTO 00000KT 10SM BKN090 14/01 A2993 RMK AO2 SLP132 T01390011 10139 20122 56010 |
| 14:53 PST |  Mostly Cloudy | 14°C / 57°F | 1°C / 34°F | 41% | 1014 mb (29.94 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KPRB 112253Z AUTO 18007KT 10SM BKN100 14/01 A2993 RMK AO2 SLP134 T01390011 |
| 13:53 PST |  Overcast | 13°C / 55°F | 1°C / 34°F | 44% | 1014 mb (29.94 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KPRB 112153Z AUTO 20004KT 10SM OVC050 13/01 A2994 RMK AO2 SLP135 T01330011 |
| 13:23 PST |  Overcast | 13°C / 55°F | 1°C / 34°F | 44% | 1014 mb (29.94 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KPRB 112123Z AUTO 22005KT 10SM SCT025 BKN035 OVC043 13/01 A2995 RMK AO2 |
| 12:53 PST |  Overcast | 13°C / 55°F | 1°C / 34°F | 44% | 1015 mb (29.97 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KPRB 112053Z AUTO 20006KT 10SM OVC022 13/01 A2996 RMK AO2 SLP142 T01280011 56013 |
| 11:53 PST |  Overcast | 13°C / 55°F | 1°C / 34°F | 44% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KPRB 111953Z AUTO 00000KT 10SM SCT020 OVC029 13/01 A2996 RMK AO2 SLP144 T01330011 |
| 10:53 PST |  Partly Cloudy | 13°C / 55°F | 1°C / 34°F | 44% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KPRB 111853Z AUTO 19004KT 10SM SCT041 13/01 A2998 RMK AO2 SLP152 T01280006 |
| 09:53 PST |  Partly Cloudy | 12°C / 54°F | 1°C / 34°F | 47% | 1016 mb (30 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KPRB 111753Z AUTO 18006KT 10SM SCT060 12/01 A3000 RMK AO2 SLP157 60000 T01220006 10122 20106 52019 |
| 09:20 PST |  Mostly Cloudy | 12°C / 54°F | 1°C / 34°F | 47% | 1016 mb (30 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KPRB 111720Z AUTO 17006KT 10SM SCT021 BKN032 BKN060 12/01 A2999 RMK AO2 |
| 08:53 PST |  Overcast | 12°C / 54°F | 1°C / 34°F | 47% | 1016 mb (30 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KPRB 111653Z AUTO 17003KT 10SM BKN019 OVC034 12/01 A2999 RMK AO2 SLP156 T01170006 |
| 08:34 PST |  Overcast | 12°C / 54°F | 1°C / 34°F | 47% | 1015 mb (29.97 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KPRB 111634Z AUTO 15004KT 10SM OVC015 12/01 A2998 RMK AO2 |
| 07:53 PST |  Overcast | 11°C / 52°F | 1°C / 34°F | 50% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPRB 111553Z AUTO 14004KT 10SM OVC013 11/01 A2995 RMK AO2 RAB04E21 SLP141 P0000 T01110006 |
| 07:15 PST |  Overcast Light Rain | 11°C / 52°F | 1°C / 34°F | 50% | 1014 mb (29.94 in) | SE 15 kph (SE 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPRB 111515Z AUTO 13008KT 10SM -RA OVC013 11/01 A2993 RMK AO2 RAB04 P0000 |
| 06:53 PST |  Overcast | 11°C / 52°F | 1°C / 34°F | 50% | 1014 mb (29.94 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KPRB 111453Z AUTO VRB03KT 10SM OVC015 11/01 A2994 RMK AO2 SLP139 60000 T01110006 53009 |
| 06:03 PST |  Overcast | 11°C / 52°F | 1°C / 34°F | 50% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KPRB 111403Z AUTO 00000KT 10SM SCT006 OVC015 11/01 A2992 RMK AO2 |
| 05:53 PST |  Overcast | 11°C / 52°F | 1°C / 34°F | 50% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | - | 9SM |
| | KPRB 111353Z AUTO 15003KT 9SM BKN006 OVC011 11/01 A2992 RMK AO2 CIG 005V008 SLP131 T01060011 |
| 04:53 PST |  Overcast | 11°C / 52°F | 1°C / 34°F | 50% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPRB 111253Z AUTO 20003KT 10SM OVC012 11/01 A2992 RMK AO2 RAE13 SLP132 P0000 T01110011 |
| 03:53 PST |  Overcast Light Rain | 11°C / 52°F | 1°C / 34°F | 50% | 1013 mb (29.91 in) | S 13 kph (S 8.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KPRB 111153Z AUTO 19007KT 7SM -RA BKN014 OVC019 11/01 A2991 RMK AO2 RAE1054B18 SLP129 P0000 60000 70051 T01110011 10117 20078 53003 |
| 02:53 PST |  Overcast Light Rain | 11°C / 52°F | 1°C / 34°F | 50% | 1013 mb (29.91 in) | S 26 kph (S 16.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KPRB 111053Z AUTO 19014KT 10SM -RA BKN021 OVC027 11/01 A2991 RMK AO2 RAB02 SLP128 P0000 T01110011 |
| 01:53 PST |  Overcast | 12°C / 54°F | 1°C / 34°F | 47% | 1013 mb (29.91 in) | S 19 kph (S 11.5 mph) | - | 10SM |
| | KPRB 110953Z AUTO 19010KT 10SM BKN017 OVC022 12/01 A2990 RMK AO2 SLP125 T01170011 |
| 00:53 PST |  Overcast | 12°C / 54°F | 2°C / 36°F | 51% | 1013 mb (29.91 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KPRB 110853Z AUTO 17009KT 10SM OVC017 12/02 A2990 RMK AO2 SLP125 T01170017 58012 |