| 12:48 PST |  Mostly Cloudy | N/A | N/A | N/A | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCIC 042048Z 26005KT 10SM SCT150 BKN200 A3018 |
| 11:48 PST |  Mostly Cloudy | N/A | N/A | N/A | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KCIC 041948Z 00000KT 10SM SCT150 BKN200 A3020 |
| 10:49 PST |  Mostly Cloudy | N/A | N/A | N/A | 1023 mb (30.21 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KCIC 041849Z 29006KT 10SM SCT150 BKN200 A3021 |
| 09:50 PST |  Mostly Cloudy | N/A | N/A | N/A | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIC 041750Z 00000KT 10SM SCT150 BKN200 A3023 |
| 08:54 PST |  Mostly Cloudy | N/A | N/A | N/A | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIC 041654Z 00000KT 10SM FEW040 BKN200 A3023 |
| 07:57 PST |  Mostly Cloudy | N/A | N/A | N/A | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KCIC 041557Z 00000KT 10SM FEW036 BKN200 A3023 |
| 06:49 PST |  Partly Cloudy | N/A | N/A | N/A | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KCIC 041449Z 00000KT 10SM FEW036 SCT200 A3020 |
| 05:35 PST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCIC 041335Z AUTO 00000KT 10SM CLR 02/00 A3017 RMK AO1 |
| 05:15 PST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCIC 041315Z AUTO 00000KT 10SM CLR 00/00 A3018 RMK AO1 |
| 04:55 PST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KCIC 041255Z AUTO 00000KT 10SM CLR 00/M01 A3017 RMK AO1 |
| 04:35 PST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041235Z AUTO 00000KT 10SM CLR 02/00 A3016 RMK AO1 |
| 04:15 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041215Z AUTO 00000KT 10SM CLR 03/00 A3016 RMK AO1 |
| 03:55 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041155Z AUTO 00000KT 10SM CLR 03/00 A3015 RMK AO1 |
| 03:35 PST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041135Z AUTO 00000KT 10SM CLR 02/00 A3016 RMK AO1 |
| 03:15 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041115Z AUTO 00000KT 10SM CLR 03/00 A3015 RMK AO1 |
| 02:55 PST |  Clear | 5°C / 41°F | 0°C / 32°F | 70% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041055Z AUTO 00000KT 10SM CLR 05/00 A3015 RMK AO1 |
| 02:35 PST |  Clear | 5°C / 41°F | 0°C / 32°F | 70% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041035Z AUTO 00000KT 10SM CLR 05/00 A3015 RMK AO1 |
| 02:15 PST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 041015Z AUTO 00000KT 10SM CLR 06/01 A3015 RMK AO1 |
| 01:55 PST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 040955Z AUTO 00000KT 10SM CLR 06/00 A3015 RMK AO1 |
| 01:35 PST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 040935Z AUTO 00000KT 10SM CLR 04/01 A3016 RMK AO1 |
| 01:15 PST |  Clear | 4°C / 39°F | 0°C / 32°F | 75% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 040915Z AUTO 00000KT 10SM CLR 04/00 A3015 RMK AO1 |
| 00:55 PST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1021 mb (30.15 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KCIC 040855Z AUTO 01006KT 10SM CLR 04/01 A3015 RMK AO1 |
| 00:35 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 040835Z AUTO 00000KT 10SM CLR 03/00 A3015 RMK AO1 |
| 00:15 PST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KCIC 040815Z AUTO 00000KT 10SM CLR 03/00 A3014 RMK AO1 |