| 15:50 PST |  Partly Cloudy | 6°C / 43°F | -7°C / 19°F | 39% | 1010 mb (29.83 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KONP 112350Z AUTO 10004KT 10SM SCT100 06/M07 A2984 RMK AO1 |
| 15:30 PST |  Mostly Cloudy | 6°C / 43°F | -7°C / 19°F | 39% | 1010 mb (29.83 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KONP 112330Z AUTO 11004KT 10SM BKN100 06/M07 A2984 RMK AO1 |
| 15:10 PST |  Partly Cloudy | 6°C / 43°F | -7°C / 19°F | 39% | 1010 mb (29.83 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KONP 112310Z AUTO 11003KT 10SM SCT100 06/M07 A2983 RMK AO1 |
| 14:50 PST |  Clear | 7°C / 45°F | -8°C / 18°F | 34% | 1010 mb (29.83 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KONP 112250Z AUTO 09004KT 10SM CLR 07/M08 A2983 RMK AO1 |
| 14:31 PST |  Clear | 9°C / 48°F | -8°C / 18°F | 29% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KONP 112231Z AUTO 00000KT 10SM CLR 09/M08 A2983 RMK AO1 |
| 14:11 PST |  Partly Cloudy | 9°C / 48°F | -8°C / 18°F | 29% | N/A | Calm | - | 10SM |
| | KONP 112211Z AUTO 00000KT 10SM SCT026 SCT040 09/M08 RMK AO1 |
| 13:51 PST |  Overcast | 8°C / 46°F | -8°C / 18°F | 32% | N/A | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KONP 112151Z AUTO 07003KT 10SM SCT026 BKN031 OVC040 08/M08 RMK AO1 |
| 13:31 PST |  Overcast | 7°C / 45°F | -8°C / 18°F | 34% | N/A | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KONP 112131Z AUTO 11003KT 10SM OVC030 07/M08 RMK AO1 |
| 13:11 PST |  Overcast | 6°C / 43°F | -9°C / 16°F | 34% | N/A | E 7 kph (E 4.6 mph) | - | 10SM |
| | KONP 112111Z AUTO 10004KT 10SM OVC032 06/M09 RMK AO1 |
| 12:51 PST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1012 mb (29.88 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KONP 112051Z AUTO 10004KT 10SM OVC036 04/M09 A2987 RMK AO1 |
| 12:31 PST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1012 mb (29.88 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KONP 112031Z AUTO 11005KT 10SM OVC038 04/M09 A2988 RMK AO1 |
| 12:11 PST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1012 mb (29.88 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KONP 112011Z AUTO 12003KT 10SM OVC040 04/M09 A2988 RMK AO1 |
| 11:51 PST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1012 mb (29.88 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111951Z AUTO 08007KT 10SM OVC042 04/M09 A2988 RMK AO1 |
| 11:31 PST |  Overcast | 3°C / 37°F | -9°C / 16°F | 41% | 1012 mb (29.88 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KONP 111931Z AUTO 08005KT 10SM BKN044 OVC049 03/M09 A2989 RMK AO1 |
| 11:12 PST |  Mostly Cloudy | 4°C / 39°F | -9°C / 16°F | 39% | 1012 mb (29.88 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111912Z AUTO 09007KT 10SM BKN049 04/M09 A2987 RMK AO1 |
| 10:51 PST |  Partly Cloudy | 3°C / 37°F | -9°C / 16°F | 41% | 1012 mb (29.88 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111851Z AUTO 10007KT 10SM SCT047 03/M09 A2989 RMK AO1 |
| 10:31 PST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | N/A | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111831Z AUTO 10007KT 10SM CLR 03/M09 RMK AO1 |
| 10:11 PST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1013 mb (29.91 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111811Z AUTO 09007KT 10SM CLR 02/M09 A2990 RMK AO1 |
| 09:51 PST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | N/A | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 111751Z AUTO 09009KT 10SM CLR 01/M09 RMK AO1 |
| 09:31 PST |  Partly Cloudy | 1°C / 34°F | -9°C / 16°F | 48% | N/A | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111731Z AUTO 10010KT 10SM SCT046 01/M09 RMK AO1 |
| 09:11 PST |  Partly Cloudy | 0°C / 32°F | -9°C / 16°F | 51% | N/A | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 111711Z AUTO 10009KT 10SM SCT046 00/M09 RMK AO1 |
| 08:51 PST |  Partly Cloudy | -1°C / 30°F | -10°C / 14°F | 51% | N/A | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 111651Z AUTO 09009KT 10SM SCT044 M01/M10 RMK AO1 |
| 08:31 PST |  Clear | -1°C / 30°F | -10°C / 14°F | 51% | N/A | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111631Z AUTO 10010KT 10SM CLR M01/M10 RMK AO1 |
| 08:11 PST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | N/A | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111611Z AUTO 10010KT 10SM CLR M02/M10 RMK AO1 |
| 07:53 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 111553Z AUTO 10009KT 10SM CLR M02/M11 A2990 RMK AO1 |
| 07:33 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111533Z AUTO 09010KT 10SM CLR M02/M11 A2990 RMK AO1 |
| 07:11 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 111511Z AUTO 09008KT 10SM CLR M02/M11 A2989 RMK AO1 |
| 06:51 PST |  Partly Cloudy | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 111451Z AUTO 09008KT 10SM SCT043 M02/M11 A2988 RMK AO1 |
| 06:31 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111431Z AUTO 09007KT 10SM CLR M02/M11 A2988 RMK AO1 |
| 06:13 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 111413Z AUTO 09008KT 10SM CLR M02/M11 A2989 RMK AO1 |
| 05:52 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1012 mb (29.88 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111352Z AUTO 09007KT 10SM CLR M02/M11 A2989 RMK AO1 |
| 05:32 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KONP 111332Z AUTO 09007KT 10SM CLR M02/M11 A2990 RMK AO1 |
| 05:11 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 111311Z AUTO 09008KT 10SM CLR M02/M11 A2991 RMK AO1 |
| 04:51 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 111251Z AUTO 09009KT 10SM CLR M02/M11 A2992 RMK AO1 |
| 04:31 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1013 mb (29.91 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111231Z AUTO 09010KT 10SM CLR M02/M11 A2992 RMK AO1 |
| 04:11 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KONP 111211Z AUTO 10011KT 10SM CLR M02/M11 A2993 RMK AO1 |
| 03:51 PST |  Clear | -1°C / 30°F | -11°C / 12°F | 47% | 1014 mb (29.94 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KONP 111151Z AUTO 09011KT 10SM CLR M01/M11 A2993 RMK AO1 |
| 03:31 PST |  Clear | -1°C / 30°F | -11°C / 12°F | 47% | 1014 mb (29.94 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111131Z AUTO 09010KT 10SM CLR M01/M11 A2993 RMK AO1 |
| 03:11 PST |  Clear | -1°C / 30°F | -11°C / 12°F | 47% | 1014 mb (29.94 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KONP 111111Z AUTO 09011G15KT 10SM CLR M01/M11 A2994 RMK AO1 |
| 02:52 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KONP 111052Z AUTO 09011KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 02:31 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 22 kph (E 13.8 mph) | - | 10SM |
| | KONP 111031Z AUTO 09012KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 02:11 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KONP 111011Z AUTO 10010KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 01:51 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 110951Z AUTO 09008KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 01:31 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 110931Z AUTO 09009KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 01:11 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1014 mb (29.94 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 110911Z AUTO 09009KT 10SM CLR M02/M11 A2995 RMK AO1 |
| 00:51 PST |  Clear | -2°C / 28°F | -12°C / 10°F | 47% | 1014 mb (29.94 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 110851Z AUTO 09008KT 10SM CLR M02/M12 A2995 RMK AO1 |
| 00:31 PST |  Clear | -2°C / 28°F | -12°C / 10°F | 47% | 1015 mb (29.97 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KONP 110831Z AUTO 10009KT 10SM CLR M02/M12 A2996 RMK AO1 |
| 00:11 PST |  Clear | -2°C / 28°F | -12°C / 10°F | 47% | 1015 mb (29.97 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KONP 110811Z AUTO 09008KT 10SM CLR M02/M12 A2996 RMK AO1 |