| 11:53 PST |  Clear | 4°C / 39°F | -2°C / 28°F | 65% | 1020 mb (30.12 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KSMF 081953Z 20006KT 10SM CLR 04/M02 A3013 RMK AO2 SLP203 T00441017 |
| 10:53 PST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1021 mb (30.15 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KSMF 081853Z 18003KT 10SM CLR 03/M02 A3014 RMK AO2 SLP207 T00331022 |
| 09:53 PST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1021 mb (30.15 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KSMF 081753Z 13005KT 10SM CLR 01/M02 A3014 RMK AO2 SLP204 T00111022 10011 21050 51025 |
| 08:53 PST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1020 mb (30.12 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KSMF 081653Z 11004KT 10SM CLR M01/M03 A3011 RMK AO2 SLP196 T10111028 |
| 07:53 PST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1019 mb (30.09 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSMF 081553Z 18004KT 10SM CLR M02/M03 A3009 RMK AO2 SLP188 T10171028 |
| 06:53 PST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KSMF 081453Z 00000KT 10SM CLR M04/M04 A3006 RMK AO2 SLP178 T10391044 51030 |
| 05:53 PST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSMF 081353Z 00000KT 10SM CLR M03/M06 A3004 RMK AO2 SLP171 T10281056 |
| 04:53 PST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1016 mb (30 in) | Calm | - | 10SM |
| | KSMF 081253Z 00000KT 10SM CLR M04/M07 A3001 RMK AO2 SLP160 T10391067 |
| 03:53 PST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1015 mb (29.97 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KSMF 081153Z 34004KT 10SM CLR M04/M07 A2997 RMK AO2 SLP148 70002 T10391067 10006 21044 51031 |
| 02:53 PST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1014 mb (29.94 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KSMF 081053Z 31003KT 10SM CLR M03/M06 A2994 RMK AO2 SLP138 T10281056 |
| 01:53 PST |  Clear | -3°C / 27°F | -6°C / 21°F | 80% | 1013 mb (29.91 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSMF 080953Z 30004KT 10SM CLR M03/M06 A2991 RMK AO2 SLP128 T10281056 |
| 00:53 PST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1012 mb (29.88 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KSMF 080853Z 34007KT 10SM CLR M02/M06 A2988 RMK AO2 SLP116 T10221056 51025 |