| 20:53 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1029 mb (30.39 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KDEW 250453Z AUTO 02006KT 10SM CLR M07/M10 A3039 RMK AO2 SLP327 T10721100 |
| 19:53 PST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb (30.39 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KDEW 250353Z AUTO 02006KT 10SM CLR M07/M09 A3039 RMK AO2 SLP327 T10721094 |
| 18:53 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1029 mb (30.39 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KDEW 250253Z AUTO 01006KT 10SM CLR M07/M10 A3039 RMK AO2 SLP328 T10721100 53001 |
| 17:53 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1029 mb (30.39 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KDEW 250153Z AUTO 02003KT 10SM CLR M07/M10 A3038 RMK AO2 SLP326 T10721100 |
| 16:53 PST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1029 mb (30.39 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 250053Z AUTO 01004KT 10SM CLR M07/M09 A3039 RMK AO2 SLP327 T10671094 |
| 15:53 PST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1029 mb (30.39 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KDEW 242353Z AUTO 02004KT 10SM CLR M05/M09 A3039 RMK AO2 SLP325 T10501089 11028 21067 56006 |
| 14:53 PST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1029 mb (30.39 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KDEW 242253Z AUTO 05003KT 10SM FEW020 SCT100 M04/M08 A3039 RMK AO2 SLP327 T10391078 |
| 13:53 PST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1029 mb (30.39 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KDEW 242153Z AUTO 03004KT 10SM FEW022 M03/M08 A3039 RMK AO2 SLP326 T10281078 |
| 12:53 PST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | KDEW 242053Z AUTO 00000KT 10SM FEW022 M04/M08 A3040 RMK AO2 SLP330 T10391083 56014 |
| 12:17 PST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1030 mb (30.42 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KDEW 242017Z AUTO 01003KT 10SM SCT021 BKN100 M04/M09 A3041 RMK AO2 |
| 11:53 PST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1030 mb (30.42 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KDEW 241953Z AUTO 03003KT 10SM BKN021 M04/M09 A3042 RMK AO2 SLP335 T10441089 |
| 10:53 PST |  Mostly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1030 mb (30.42 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KDEW 241853Z AUTO 34003KT 10SM BKN095 M06/M09 A3043 RMK AO2 SLP340 T10561094 |
| 10:08 PST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KDEW 241808Z AUTO 00000KT 10SM SCT021 OVC090 M07/M09 A3044 RMK AO2 |
| 09:53 PST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | KDEW 241753Z AUTO 00000KT 10SM BKN021 OVC090 M07/M09 A3045 RMK AO2 SLP346 T10671094 11067 21106 53004 |
| 09:30 PST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 241730Z AUTO 01004KT 10SM BKN021 OVC095 M07/M10 A3045 RMK AO2 |
| 09:14 PST |  Mostly Cloudy | -7°C / 19°F | -10°C / 14°F | 79% | 1031 mb (30.45 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KDEW 241714Z AUTO 02003KT 10SM FEW017 BKN095 M07/M10 A3044 RMK AO2 |
| 08:53 PST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1031 mb (30.45 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KDEW 241653Z AUTO 05003KT 10SM OVC017 M07/M10 A3044 RMK AO2 SLP343 T10721100 |
| 08:14 PST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 241614Z AUTO 35004KT 10SM BKN021 OVC090 M08/M11 A3044 RMK AO2 |
| 07:53 PST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 241553Z AUTO 35004KT 10SM SCT021 OVC090 M08/M11 A3044 RMK AO2 SLP342 T10831106 |
| 07:37 PST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 241537Z AUTO 35004KT 10SM SCT023 OVC090 M08/M11 A3044 RMK AO2 |
| 07:27 PST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1031 mb (30.45 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KDEW 241527Z AUTO 36004KT 10SM BKN023 OVC095 M09/M11 A3044 RMK AO2 |
| 06:53 PST |  Partly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1031 mb (30.45 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KDEW 241453Z AUTO 36003KT 10SM SCT025 M09/M12 A3044 RMK AO2 SLP342 T10941117 53004 |
| 05:53 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1030 mb (30.42 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KDEW 241353Z AUTO 34004KT 10SM CLR M09/M11 A3043 RMK AO2 SLP338 T10941111 |
| 04:53 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KDEW 241253Z AUTO 00000KT 10SM CLR M09/M11 A3042 RMK AO2 SLP336 T10941111 |
| 03:53 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KDEW 241153Z AUTO 00000KT 10SM CLR M09/M11 A3042 RMK AO2 SLP336 T10941111 11061 21106 50000 |
| 02:53 PST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KDEW 241053Z AUTO 00000KT 10SM CLR M11/M12 A3043 RMK AO2 SLP337 T11061122 |
| 01:53 PST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KDEW 240953Z AUTO 00000KT 10SM CLR M11/M12 A3043 RMK AO2 SLP339 T11061122 |
| 00:53 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | KDEW 240853Z AUTO 00000KT 10SM CLR M09/M11 A3042 RMK AO2 SLP334 T10891111 53001 |