| 14:56 PST |  Clear | 16°C / 61°F | -4°C / 25°F | 25% | 1018 mb (30.06 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KSBP 232256Z 33011KT 10SM CLR 16/M04 A3007 RMK AO2 SLP183 T01611039 |
| 13:56 PST |  Clear | 16°C / 61°F | -3°C / 27°F | 27% | 1018 mb (30.06 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KSBP 232156Z 32011KT 10SM CLR 16/M03 A3007 RMK AO2 SLP184 T01611033 |
| 12:56 PST |  Clear | 16°C / 61°F | -5°C / 23°F | 23% | 1019 mb (30.09 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KSBP 232056Z 26009KT 10SM CLR 16/M05 A3008 RMK AO2 SLP188 T01561050 58030 |
| 11:56 PST |  Clear | 13°C / 55°F | -4°C / 25°F | 31% | 1020 mb (30.12 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KSBP 231956Z 32012KT 10SM CLR 13/M04 A3012 RMK AO2 SLP199 T01331039 |
| 10:56 PST |  Clear | 12°C / 54°F | -3°C / 27°F | 35% | 1021 mb (30.15 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KSBP 231856Z 34009KT 10SM CLR 12/M03 A3016 RMK AO2 SLP214 T01221033 |
| 09:56 PST |  Clear | 11°C / 52°F | -3°C / 27°F | 38% | 1022 mb (30.18 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KSBP 231756Z 35008KT 10SM CLR 11/M03 A3018 RMK AO2 SLP219 T01061033 10106 20044 51009 |
| 08:56 PST |  Clear | 8°C / 46°F | -3°C / 27°F | 46% | 1022 mb (30.18 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KSBP 231656Z 33010KT 10SM CLR 08/M03 A3017 RMK AO2 SLP216 T00831028 |
| 07:56 PST |  Clear | 7°C / 45°F | -3°C / 27°F | 49% | 1022 mb (30.18 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KSBP 231556Z 35008G16KT 10SM CLR 07/M03 A3017 RMK AO2 SLP218 T00721033 |
| 06:56 PST |  Clear | 7°C / 45°F | -3°C / 27°F | 49% | 1021 mb (30.15 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KSBP 231456Z 36012KT 10SM CLR 07/M03 A3015 RMK AO2 SLP211 T00671033 53016 |
| 05:56 PST |  Clear | 4°C / 39°F | -2°C / 28°F | 65% | 1020 mb (30.12 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KSBP 231356Z 33008KT 10SM CLR 04/M02 A3013 RMK AO2 SLP205 T00441017 |
| 04:56 PST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1020 mb (30.12 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KSBP 231256Z 35007KT 10SM CLR 05/M01 A3011 RMK AO2 SLP197 T00501011 |
| 03:56 PST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KSBP 231156Z 36007KT 10SM CLR 06/M01 A3010 RMK AO2 SLP194 T00561011 10083 20039 51013 |
| 02:56 PST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSBP 231056Z 00000KT 10SM CLR 04/M01 A3010 RMK AO2 SLP192 T00441006 |
| 01:56 PST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1019 mb (30.09 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KSBP 230956Z 34005KT 10SM CLR 05/M01 A3008 RMK AO2 SLP187 T00501006 |
| 00:56 PST |  Clear | 7°C / 45°F | -1°C / 30°F | 57% | 1018 mb (30.06 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KSBP 230856Z 35004KT 10SM CLR 07/M01 A3006 RMK AO2 SLP181 T00721006 51017 |