| 19:53 PST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KRNM 240353Z 00000KT 7SM CLR 03/M01 A3009 RMK AO2 SLP195 T00281011 |
| 18:53 PST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KRNM 240253Z 00000KT 7SM CLR 06/M01 A3008 RMK AO2 SLP191 T00561006 52015 |
| 17:53 PST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1018 mb (30.06 in) | Calm | - | 7SM |
| | KRNM 240153Z 00000KT 7SM CLR 06/M01 A3007 RMK AO2 SLP187 T00611006 |
| 16:56 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 16:53 PST |  Clear | 9°C / 48°F | -1°C / 30°F | 50% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KRNM 240053Z 30006KT 10SM CLR 09/M01 A3005 RMK AO2 SLP177 T00891006 |
| 16:31 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 16:16 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 16:04 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 15:56 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 15:53 PST |  Clear | 13°C / 55°F | -2°C / 28°F | 36% | 1017 mb (30.03 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KRNM 232353Z 31004KT 10SM CLR 13/M02 A3003 RMK AO2 SLP171 T01331022 10150 20100 53004 |
| 15:47 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 15:31 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 14:53 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KRNM 232253Z 22003KT 10SM CLR 14/M04 A3002 R AO2 SLP165 T01441044 |
| 14:16 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 14:04 PST |  Clear | 14°C / 57°F | -4°C / 25°F | 29% | 1017 mb (30.03 in) | SW 407 kph (SW 253.2 mph) | - | 10SM |
| | KRNM 232而22003KT 10SM CLR 14/M04 A3002 RMK AO2 SLP165 T01441044 |
| 13:53 PST |  Clear | 14°C / 57°F | -5°C / 23°F | 27% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRNM 232153Z 00000KT 10SM CLR 14/M05 A3002 RMK AO2 SLP164 T01391050 |
| 12:53 PST |  Clear | 14°C / 57°F | -6°C / 21°F | 25% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KRNM 232053Z 30007KT 10SM CLR 14/M06 A3002 RMK AO2 SLP163 T01391056 51007 |
| 11:53 PST |  Clear | 12°C / 54°F | -6°C / 21°F | 28% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRNM 231953Z 00000KT 10SM CLR 12/M06 A3002 RMK AO2 SLP163 T01221056 |
| 10:53 PST |  Clear | 11°C / 52°F | -4°C / 25°F | 35% | 1017 mb (30.03 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KRNM 231853Z 32013KT 10SM CLR 11/M04 A3004 RMK AO2 SLP170 T01061044 |
| 09:53 PST |  Clear | 10°C / 50°F | -2°C / 28°F | 43% | 1016 mb (30 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KRNM 231753Z 20003KT 10SM CLR 10/M02 A3000 RMK AO2 SLP157 T01001022 10100 21033 50004 |
| 08:53 PST |  Clear | 6°C / 43°F | -4°C / 25°F | 49% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRNM 231653Z 00000KT 10SM CLR 06/M04 A3001 RMK AO2 SLP161 T00611039 |
| 07:53 PST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1016 mb (30 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KRNM 231553Z 12004KT 10SM CLR 02/M02 A2999 RMK AO2 SLP157 T00171022 |
| 06:53 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1016 mb (30 in) | Calm | - | 10SM |
| | KRNM 231453Z AUTO 00000KT 10SM CLR M03/M05 A2999 RMK AO2 SLP160 T10281050 51026 FZRANO TSNO |
| 05:53 PST |  Clear | -3°C / 27°F | -4°C / 25°F | 93% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KRNM 231353Z AUTO 17004KT 10SM CLR M03/M04 A2996 RMK AO2 SLP150 T10281044 FZRANO TSNO |
| 04:53 PST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KRNM 231253Z AUTO 00000KT 10SM CLR M02/M04 A2993 RMK AO2 SLP140 T10171039 FZRANO TSNO |
| 03:53 PST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRNM 231153Z AUTO 00000KT 10SM CLR M01/M04 A2991 RMK AO2 SLP130 70014 T10111044 10072 21017 53009 FZRANO TSNO |
| 02:53 PST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRNM 231053Z AUTO 00000KT 10SM CLR 01/M03 A2990 RMK AO2 SLP125 T00061033 FZRANO TSNO |
| 01:53 PST |  Clear | 3°C / 37°F | -5°C / 23°F | 56% | 1012 mb (29.88 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRNM 230953Z AUTO 01003KT 10SM CLR 03/M05 A2989 RMK AO2 SLP120 T00331050 TSNO |
| 00:53 PST |  Clear | 5°C / 41°F | -6°C / 21°F | 45% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KRNM 230853Z AUTO 00000KT 10SM CLR 05/M06 A2988 RMK AO2 SLP116 T00501056 51012 TSNO |