| 19:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOE 100335Z AUTO 25006KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 19:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOE 100315Z AUTO 24006KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 18:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 100255Z AUTO 26007KT 10SM OVC042 M09/M18 A3022 RMK AO1 52003 |
| 18:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KCOE 100235Z AUTO 22006KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 18:15 PST |  Overcast | -9°C / 16°F | -17°C / 1°F | 53% | 1023 mb (30.21 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KCOE 100215Z AUTO 23006KT 10SM OVC042 M09/M17 A3022 RMK AO1 |
| 17:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KCOE 100155Z AUTO 22006KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 17:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 100135Z AUTO 19004KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 17:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KCOE 100115Z AUTO 20003KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 16:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | S 6 kph (S 3.5 mph) | - | 7SM |
| | KCOE 100055Z AUTO 18003KT 7SM OVC042 M09/M18 A3021 RMK AO1 |
| 16:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KCOE 100035Z AUTO 20004KT 10SM OVC040 M09/M18 A3021 RMK AO1 |
| 16:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 100015Z AUTO 25007KT 10SM OVC040 M09/M18 A3021 RMK AO1 |
| 15:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOE 092355Z AUTO 25006KT 10SM OVC040 M09/M18 A3021 RMK AO1 11090 21120 410901160 |
| 15:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092335Z AUTO 26007KT 10SM OVC042 M09/M18 A3021 RMK AO1 |
| 15:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092315Z AUTO 25007KT 10SM OVC044 M09/M18 A3020 RMK AO1 |
| 14:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCOE 092255Z AUTO 25005KT 10SM OVC044 M09/M18 A3020 RMK AO1 |
| 14:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092235Z AUTO 26007KT 10SM OVC044 M09/M18 A3020 RMK AO1 |
| 14:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092215Z AUTO 24007KT 10SM OVC044 M09/M18 A3019 RMK AO1 |
| 13:55 PST |  Overcast | -9°C / 16°F | -19°C / -2°F | 45% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092155Z AUTO 25007KT 10SM OVC046 M09/M19 A3019 RMK AO1 |
| 13:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092135Z AUTO 25007KT 10SM OVC046 M09/M18 A3019 RMK AO1 TSNO |
| 13:15 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1022 mb (30.18 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCOE 092115Z AUTO 24007KT 10SM OVC046 M09/M18 A3019 RMK AO1 |
| 12:55 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1022 mb (30.18 in) | SW 11 kph (SW 6.9 mph) | - | 9SM |
| | KCOE 092055Z AUTO 23006G15KT 9SM OVC046 M09/M18 A3019 RMK AO1 57007 |
| 12:35 PST |  Overcast | -9°C / 16°F | -18°C / 0°F | 48% | 1022 mb (30.18 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KCOE 092035Z AUTO 25008KT 10SM OVC046 M09/M18 A3019 RMK AO1 |
| 12:15 PST |  Overcast | -10°C / 14°F | -18°C / 0°F | 52% | 1022 mb (30.18 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCOE 092015Z AUTO 26009KT 10SM OVC046 M10/M18 A3019 RMK AO1 |
| 11:55 PST |  Overcast | -10°C / 14°F | -18°C / 0°F | 52% | 1022 mb (30.18 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KCOE 091955Z AUTO 24008KT 10SM OVC048 M10/M18 A3019 RMK AO1 |
| 11:35 PST |  Overcast | -11°C / 12°F | -17°C / 1°F | 62% | 1023 mb (30.21 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCOE 091935Z AUTO 24009KT 10SM OVC050 M11/M17 A3020 RMK AO1 |
| 11:15 PST |  Overcast | -11°C / 12°F | -18°C / 0°F | 57% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCOE 091915Z AUTO 22004KT 10SM OVC050 M11/M18 A3020 RMK AO1 |
| 10:55 PST |  Overcast | -11°C / 12°F | -18°C / 0°F | 57% | 1023 mb (30.21 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KCOE 091855Z AUTO 21005KT 10SM OVC050 M11/M18 A3020 RMK AO1 |
| 10:35 PST |  Overcast | -11°C / 12°F | -18°C / 0°F | 57% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KCOE 091835Z AUTO 22003KT 10SM OVC048 M11/M18 A3020 RMK AO1 |
| 10:15 PST |  Overcast | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KCOE 091815Z AUTO 20005KT 10SM OVC050 M12/M17 A3020 RMK AO1 |
| 09:55 PST |  Overcast | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KCOE 091755Z AUTO 20005KT 10SM OVC050 M12/M17 A3021 RMK AO1 11120 21130 52010 |
| 09:35 PST |  Overcast | -12°C / 10°F | -18°C / 0°F | 61% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCOE 091735Z AUTO 21004KT 10SM OVC048 M12/M18 A3020 RMK AO1 |
| 09:15 PST |  Mostly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb (30.21 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 091715Z AUTO 19004KT 10SM BKN050 M12/M17 A3020 RMK AO1 |
| 08:55 PST |  Mostly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KCOE 091655Z AUTO 00000KT 10SM SCT046 BKN055 M13/M17 A3020 RMK AO1 |
| 08:35 PST |  Mostly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCOE 091635Z AUTO 00000KT 10SM BKN050 M12/M17 A3019 RMK AO1 |
| 08:15 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCOE 091615Z AUTO 22004KT 10SM OVC050 M13/M17 A3019 RMK AO1 |
| 07:55 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCOE 091555Z AUTO 00000KT 10SM OVC050 M13/M17 A3019 RMK AO1 |
| 07:35 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCOE 091535Z AUTO 21004KT 10SM OVC048 M13/M17 A3019 RMK AO1 |
| 07:15 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 091515Z AUTO 18004KT 10SM OVC048 M13/M17 A3019 RMK AO1 |
| 06:55 PST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb (30.18 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 091455Z AUTO 18004KT 10SM OVC048 M13/M16 A3018 RMK AO1 52003 |
| 06:35 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 091435Z AUTO 19004KT 10SM OVC050 M13/M17 A3018 RMK AO1 |
| 06:15 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | S 9 kph (S 5.8 mph) | - | 7SM |
| | KCOE 091415Z AUTO 18005KT 7SM FEW032 OVC055 M13/M17 A3018 RMK AO1 |
| 05:55 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KCOE 091355Z AUTO 18004KT 10SM OVC055 M13/M17 A3018 RMK AO1 |
| 05:35 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KCOE 091335Z AUTO 19003KT 10SM OVC055 M13/M17 A3018 RMK AO1 |
| 05:15 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCOE 091315Z AUTO 23004KT 10SM OVC055 M13/M17 A3017 RMK AO1 |
| 04:55 PST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KCOE 091255Z AUTO 22005KT 10SM OVC055 M13/M17 A3017 RMK AO1 |
| 04:35 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KCOE 091235Z AUTO 20004KT 10SM OVC065 M13/M18 A3017 RMK AO1 |
| 04:15 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCOE 091215Z AUTO 00000KT 10SM OVC065 M13/M18 A3017 RMK AO1 |
| 03:55 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCOE 091155Z AUTO 00000KT 10SM OVC065 M13/M18 A3017 RMK AO1 11120 21140 54000 |
| 03:35 PST |  Mostly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCOE 091135Z AUTO 00000KT 10SM BKN065 M13/M18 A3016 RMK AO1 |
| 03:15 PST |  Partly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1021 mb (30.15 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KCOE 091115Z AUTO 24003KT 10SM FEW065 M14/M18 A3016 RMK AO1 |
| 02:55 PST |  Partly Cloudy | -14°C / 7°F | -19°C / -2°F | 66% | 1021 mb (30.15 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KCOE 091055Z AUTO 23005KT 10SM FEW065 M14/M19 A3016 RMK AO1 |
| 02:35 PST |  Mostly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1021 mb (30.15 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KCOE 091035Z AUTO 23005KT 10SM FEW065 BKN090 M13/M18 A3016 RMK AO1 |
| 02:15 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1021 mb (30.15 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KCOE 091015Z AUTO 20003KT 10SM OVC080 M13/M18 A3016 RMK AO1 |
| 01:55 PST |  Overcast | -12°C / 10°F | -18°C / 0°F | 61% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KCOE 090955Z AUTO 24003KT 10SM BKN080 OVC085 M12/M18 A3017 RMK AO1 |
| 01:35 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KCOE 090935Z AUTO 26004KT 10SM BKN060 OVC080 M13/M18 A3017 RMK AO1 |
| 01:15 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KCOE 090915Z AUTO 24003KT 10SM SCT070 OVC090 M13/M18 A3017 RMK AO1 |
| 00:55 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KCOE 090855Z AUTO 26008KT 10SM OVC090 M13/M18 A3017 RMK AO1 57003 |
| 00:35 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOE 090835Z AUTO 24006KT 10SM OVC080 M13/M18 A3017 RMK AO1 |
| 00:15 PST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCOE 090815Z AUTO 25006KT 10SM OVC080 M13/M18 A3017 RMK AO1 |