| 22:30 PST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSZT 040630Z AUTO 00000KT 10SM CLR M09/M10 A3024 RMK AO2 |
| 22:10 PST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSZT 040610Z AUTO 00000KT 10SM CLR M09/M10 A3024 RMK AO2 |
| 21:50 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSZT 040550Z AUTO 00000KT 10SM CLR M09/M11 A3025 RMK AO2 |
| 21:30 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KSZT 040530Z AUTO 00000KT 10SM CLR M09/M11 A3025 RMK AO2 |
| 21:10 PST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040510Z AUTO 00000KT 10SM CLR M08/M10 A3027 RMK AO2 |
| 20:50 PST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040450Z AUTO 00000KT 10SM CLR M09/M10 A3027 RMK AO2 |
| 20:30 PST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040430Z AUTO 00000KT 10SM CLR M08/M10 A3028 RMK AO2 |
| 20:10 PST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040410Z AUTO 00000KT 10SM CLR M08/M10 A3028 RMK AO2 |
| 19:50 PST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040350Z AUTO 00000KT 10SM CLR M08/M10 A3028 RMK AO2 |
| 19:30 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KSZT 040330Z AUTO 00000KT 10SM CLR M07/M10 A3028 RMK AO2 |
| 19:10 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KSZT 040310Z AUTO 00000KT 10SM CLR M07/M10 A3030 RMK AO2 |
| 18:50 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1026 mb (30.3 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSZT 040250Z AUTO 03003KT 10SM CLR M06/M10 A3030 RMK AO2 |
| 18:30 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KSZT 040230Z AUTO 00000KT 10SM CLR M06/M10 A3031 RMK AO2 |
| 18:10 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1027 mb (30.33 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSZT 040210Z AUTO 01003KT 10SM CLR M06/M10 A3032 RMK AO2 |
| 17:50 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1027 mb (30.33 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSZT 040150Z AUTO 03004KT 10SM CLR M06/M10 A3033 RMK AO2 |
| 17:30 PST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1027 mb (30.33 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSZT 040130Z AUTO 36003KT 10SM CLR M05/M10 A3033 RMK AO2 |
| 17:10 PST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1027 mb (30.33 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KSZT 040110Z AUTO 03005KT 10SM CLR M05/M10 A3033 RMK AO2 |
| 16:50 PST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1027 mb (30.33 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSZT 040050Z AUTO 03004KT 10SM CLR M05/M10 A3033 RMK AO2 |
| 16:30 PST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1027 mb (30.33 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KSZT 040030Z AUTO 04005KT 10SM CLR M05/M10 A3034 RMK AO2 |
| 16:10 PST |  Clear | -4°C / 25°F | -10°C / 14°F | 63% | 1027 mb (30.33 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSZT 040010Z AUTO 03003KT 10SM CLR M04/M10 A3034 RMK AO2 |
| 15:50 PST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSZT 032350Z AUTO 00000KT 10SM CLR M03/M09 A3035 RMK AO2 |
| 15:30 PST |  Clear | -3°C / 27°F | -10°C / 14°F | 59% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSZT 032330Z AUTO 00000KT 10SM CLR M03/M10 A3035 RMK AO2 |
| 15:10 PST |  Clear | -3°C / 27°F | -10°C / 14°F | 59% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSZT 032310Z AUTO 00000KT 10SM CLR M03/M10 A3035 RMK AO2 |
| 14:50 PST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | 1028 mb (30.36 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSZT 032250Z AUTO 09003KT 10SM CLR M02/M10 A3036 RMK AO2 |
| 14:30 PST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | 1028 mb (30.36 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSZT 032230Z AUTO 10003KT 10SM CLR M02/M10 A3037 RMK AO2 |
| 14:10 PST |  Clear | -2°C / 28°F | -10°C / 14°F | 55% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KSZT 032210Z AUTO 00000KT 10SM CLR M02/M10 A3037 RMK AO2 |
| 13:50 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KSZT 032150Z AUTO 09003KT 10SM CLR M02/M11 A3038 RMK AO2 |
| 13:30 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KSZT 032130Z AUTO 00000KT 10SM CLR M02/M11 A3038 RMK AO2 |
| 13:10 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KSZT 032110Z AUTO 00000KT 10SM CLR M02/M11 A3039 RMK AO2 |
| 12:50 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSZT 032050Z AUTO 07004KT 10SM CLR M02/M11 A3039 RMK AO2 |
| 12:30 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSZT 032030Z AUTO 10004KT 10SM CLR M02/M11 A3040 RMK AO2 |
| 12:10 PST |  Clear | -2°C / 28°F | -11°C / 12°F | 51% | 1029 mb (30.39 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KSZT 032010Z AUTO 09004KT 10SM CLR M02/M11 A3040 RMK AO2 |
| 11:50 PST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1030 mb (30.42 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KSZT 031950Z AUTO 02004KT 10SM CLR M03/M11 A3041 RMK AO2 |
| 11:30 PST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1029 mb (30.39 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KSZT 031930Z AUTO 01006KT 10SM CLR M03/M11 A3040 RMK AO2 |
| 11:10 PST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1030 mb (30.42 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KSZT 031910Z AUTO 02007KT 10SM CLR M03/M11 A3041 RMK AO2 |
| 10:50 PST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1030 mb (30.42 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KSZT 031850Z AUTO 03008KT 10SM CLR M03/M11 A3041 RMK AO2 |
| 10:30 PST |  Clear | -4°C / 25°F | -11°C / 12°F | 59% | 1030 mb (30.42 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KSZT 031830Z AUTO 04009KT 10SM CLR M04/M11 A3042 RMK AO2 |
| 10:10 PST |  Clear | -5°C / 23°F | -11°C / 12°F | 63% | 1030 mb (30.42 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KSZT 031810Z AUTO 04009KT 10SM CLR M05/M11 A3043 RMK AO2 |
| 09:50 PST |  Clear | -5°C / 23°F | -11°C / 12°F | 63% | 1030 mb (30.42 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KSZT 031750Z AUTO 04009KT 10SM CLR M05/M11 A3043 RMK AO2 |
| 09:30 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1030 mb (30.42 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KSZT 031730Z AUTO 02007KT 10SM CLR M06/M11 A3043 RMK AO2 |
| 09:10 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1030 mb (30.42 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KSZT 031710Z AUTO 03006KT 10SM CLR M07/M11 A3043 RMK AO2 |
| 08:50 PST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1030 mb (30.42 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSZT 031650Z AUTO 04003KT 10SM CLR M08/M12 A3043 RMK AO2 |
| 08:30 PST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031630Z AUTO 00000KT 10SM CLR M10/M12 A3042 RMK AO2 |
| 08:10 PST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031610Z AUTO 00000KT 10SM CLR M10/M12 A3042 RMK AO2 |
| 07:50 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031550Z AUTO 00000KT 10SM CLR M11/M13 A3042 RMK AO2 |
| 07:30 PST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031530Z AUTO 00000KT 10SM CLR M12/M13 A3041 RMK AO2 |
| 07:10 PST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031510Z AUTO 00000KT 10SM CLR M12/M13 A3041 RMK AO2 |
| 06:50 PST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031450Z AUTO 00000KT 10SM CLR M12/M13 A3041 RMK AO2 |
| 06:30 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031430Z AUTO 00000KT 10SM CLR M11/M13 A3041 RMK AO2 |
| 06:10 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031410Z AUTO 00000KT 10SM CLR M11/M13 A3041 RMK AO2 |
| 05:50 PST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031350Z AUTO 00000KT 10SM CLR M10/M13 A3041 RMK AO2 |
| 05:30 PST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSZT 031330Z AUTO 01003KT 10SM CLR M10/M13 A3041 RMK AO2 |
| 05:10 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1029 mb (30.39 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KSZT 031310Z AUTO 03005KT 10SM CLR M11/M13 A3040 RMK AO2 |
| 04:50 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1029 mb (30.39 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KSZT 031250Z AUTO 02003KT 10SM CLR M11/M13 A3040 RMK AO2 |
| 04:30 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031230Z AUTO 00000KT 10SM CLR M11/M13 A3041 RMK AO2 |
| 04:10 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031210Z AUTO 00000KT 10SM CLR M11/M13 A3041 RMK AO2 |
| 03:50 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031150Z AUTO 00000KT 10SM CLR M11/M13 A3041 RMK AO2 |
| 03:30 PST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1030 mb (30.42 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KSZT 031130Z AUTO 04005KT 10SM CLR M10/M12 A3041 RMK AO2 |
| 03:10 PST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031110Z AUTO 00000KT 10SM CLR M11/M12 A3041 RMK AO2 |
| 02:50 PST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 031050Z AUTO 00000KT 10SM CLR M11/M12 A3041 RMK AO2 |
| 02:30 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSZT 031030Z AUTO 35003KT 10SM CLR M09/M12 A3041 RMK AO2 |
| 02:10 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1030 mb (30.42 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KSZT 031010Z AUTO 03007KT 10SM CLR M09/M12 A3041 RMK AO2 |
| 01:50 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1029 mb (30.39 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KSZT 030950Z AUTO 03005KT 10SM CLR M09/M12 A3040 RMK AO2 |
| 01:30 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KSZT 030930Z AUTO 00000KT 10SM CLR M09/M12 A3041 RMK AO2 |
| 01:10 PST |  Clear | -9°C / 16°F | -12°C / 10°F | 79% | 1030 mb (30.42 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KSZT 030910Z AUTO 05004KT 10SM CLR M09/M12 A3041 RMK AO2 |
| 00:50 PST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1029 mb (30.39 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KSZT 030850Z AUTO 03007KT 10SM CLR M08/M12 A3040 RMK AO2 |
| 00:30 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1029 mb (30.39 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KSZT 030830Z AUTO 03007KT 10SM CLR M07/M12 A3040 RMK AO2 |
| 00:10 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1029 mb (30.39 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KSZT 030810Z AUTO 03007KT 10SM CLR M07/M12 A3040 RMK AO2 |