| 17:53 PST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1030 mb (30.42 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEPH 250153Z AUTO 31007KT 10SM CLR M04/M09 A3042 RMK AO2 SLP322 T10441094 |
| 16:53 PST |  Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1030 mb (30.42 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KEPH 250053Z AUTO 33004KT 10SM CLR M03/M09 A3043 RMK AO2 SLP323 T10331089 |
| 15:53 PST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1030 mb (30.42 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KEPH 242353Z AUTO 32005KT 10SM CLR M02/M09 A3042 RMK AO2 SLP322 T10221089 11011 21039 56006 |
| 14:53 PST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1030 mb (30.42 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEPH 242253Z AUTO 33006KT 10SM CLR M01/M09 A3043 RMK AO2 SLP322 T10111089 |
| 13:53 PST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1030 mb (30.42 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KEPH 242153Z AUTO 33008KT 10SM CLR M02/M09 A3043 RMK AO2 SLP324 T10171089 |
| 12:53 PST |  Clear | -2°C / 28°F | -9°C / 16°F | 59% | 1031 mb (30.45 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KEPH 242053Z AUTO 33007KT 10SM CLR M02/M09 A3044 RMK AO2 SLP327 T10221089 58016 |
| 11:53 PST |  Partly Cloudy | -3°C / 27°F | -9°C / 16°F | 64% | 1031 mb (30.45 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KEPH 241953Z AUTO 34007KT 10SM FEW032 M03/M09 A3046 RMK AO2 SLP334 T10281089 |
| 10:53 PST |  Clear | -3°C / 27°F | -10°C / 14°F | 59% | 1032 mb (30.48 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KEPH 241853Z AUTO 34008KT 10SM CLR M03/M10 A3048 RMK AO2 SLP340 T10331100 |
| 09:53 PST |  Partly Cloudy | -4°C / 25°F | -10°C / 14°F | 63% | 1033 mb (30.5 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KEPH 241753Z AUTO 35009KT 10SM FEW120 M04/M10 A3049 RMK AO2 SLP344 T10391100 11039 21072 51007 |
| 08:53 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1033 mb (30.5 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KEPH 241653Z AUTO 35006KT 10SM CLR M06/M10 A3049 RMK AO2 SLP344 T10561100 |
| 07:53 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1032 mb (30.48 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KEPH 241553Z AUTO 35005KT 10SM CLR M07/M11 A3048 RMK AO2 SLP340 T10721111 |
| 06:53 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1032 mb (30.48 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEPH 241453Z AUTO 34006KT 10SM CLR M07/M11 A3047 RMK AO2 SLP338 T10721111 53004 |
| 05:53 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1031 mb (30.45 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEPH 241353Z AUTO 34005KT 10SM CLR M07/M11 A3046 RMK AO2 SLP335 T10721111 |
| 04:53 PST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1031 mb (30.45 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEPH 241253Z AUTO 32007KT 10SM CLR M07/M12 A3045 RMK AO2 SLP331 T10671117 |
| 03:53 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1031 mb (30.45 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEPH 241153Z AUTO 31009KT 10SM CLR M07/M11 A3046 RMK AO2 SLP332 T10671111 11044 21067 58001 |
| 02:53 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1031 mb (30.45 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KEPH 241053Z AUTO 31010KT 10SM CLR M06/M11 A3046 RMK AO2 SLP334 T10611111 |
| 01:53 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1031 mb (30.45 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEPH 240953Z AUTO 32008KT 10SM CLR M06/M11 A3046 RMK AO2 SLP334 T10611111 |
| 00:53 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1031 mb (30.45 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEPH 240853Z AUTO 33005KT 10SM CLR M06/M11 A3046 RMK AO2 SLP332 T10561106 50000 |