| 17:52 PST | 
Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KMWH 230152Z 00000KT 10SM CLR 00/M01 A3016
RMK AO2 SLP225 T00001011 |
| 16:52 PST |
Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMWH 230052Z 00000KT 10SM CLR 01/M01 A3013
RMK AO2 SLP216 T00061011 |
| 15:52 PST | 
Partly Cloudy | 3°C / 37°F | -1°C / 30°F | 75% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMWH 222352Z 00000KT 10SM SCT032 03/M01 A3011
RMK AO2 SLP208 T00281006 10039 20011 53026 |
| 14:52 PST | 
Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1019 mb
(30.09 in) | NNW 6 kph
(NNW 3.5 mph) | - | 10SM |
| | KMWH 222252Z 34003KT 10SM CLR 03/M01 A3009
RMK AO2 SLP200 T00331006 |
| 13:52 PST |
Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KMWH 222152Z 00000KT 10SM CLR 03/M01 A3005
RMK AO2 SLP186 T00331006 |
| 12:52 PST |
Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1017 mb
(30.03 in) | Calm | - | 10SM |
| | KMWH 222052Z 00000KT 10SM CLR 03/M01 A3003
RMK AO2 SLP181 T00281006 51018 |
| 11:52 PST |
Partly Cloudy | 2°C / 36°F | 0°C / 32°F | 87% | 1017 mb
(30.03 in) | N 9 kph
(N 5.8 mph) | - | 10SM |
| | KMWH 221952Z 35005KT 10SM FEW023 02/00 A3003
RMK AO2 SLP181 T00220000 |
| 10:52 PST | 
Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1016 mb
(30 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KMWH 221852Z 01004KT 10SM OVC020 01/00 A3001
RMK AO2 SLP174 T00110000 |
| 09:52 PST |
Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb
(29.97 in) | Calm | - | 10SM |
| | KMWH 221752Z 00000KT 10SM BKN017 OVC024 01/00 A2998
RMK AO2 SLP162 60000 T00110000 10011 21017 53030 |
| 08:52 PST |
Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | KMWH 221652Z 00000KT 10SM OVC021 00/M01 A2995
RMK AO2 SLP152 T00001011 |
| 08:19 PST | 
Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | KMWH 221619Z 00000KT 10SM BKN023 BKN032 M01/M02 A2993
RMK AO2 |
| 07:52 PST |
Mostly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1013 mb
(29.91 in) | Calm | 0.00 mm
(0.00 in) | 10SM |
| | KMWH 221552Z 00000KT 10SM BKN032 BKN050 M01/M03 A2991
RMK AO2 SNE00 SLP140 P0000 T10111028 |
| 06:52 PST | 
Overcast
Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1012 mb
(29.88 in) | N 6 kph
(N 3.5 mph) | 0.00 mm
(0.00 in) | 9SM |
| | KMWH 221452Z 35003KT 9SM -SN SCT026 OVC031 M01/M03 A2989
RMK AO2 SNB49 SLP132 P0000 60000 T10061028 53030 |
| 06:30 PST |
Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | KMWH 221430Z 00000KT 10SM BKN026 OVC040 M02/M03 A2988
RMK AO2 |
| 05:52 PST | 
Mostly Cloudy | -2°C / 28°F | -3°C / 27°F | 93% | 1011 mb
(29.85 in) | Calm | - | 10SM |
| | KMWH 221352Z 00000KT 10SM BKN036 M02/M03 A2985
RMK AO2 SLP119 T10171033 |
| 04:52 PST |
Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb
(29.83 in) | Calm | - | 10SM |
| | KMWH 221252Z AUTO 00000KT 10SM CLR M01/M03 A2982
RMK AO2 SLP110 T10061033 |
| 03:52 PST |
Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1009 mb
(29.8 in) | SW 11 kph
(SW 6.9 mph) | - | 10SM |
| | KMWH 221152Z AUTO 22006KT 10SM CLR 00/M03 A2979
RMK AO2 SLP100 70003 T00001033 10017 21006 51019 |
| 02:52 PST | 
Partly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1008 mb
(29.77 in) | SW 11 kph
(SW 6.9 mph) | - | 10SM |
| | KMWH 221052Z AUTO 22006KT 10SM FEW070 00/M03 A2978
RMK AO2 SLP093 T00001033 |
| 01:52 PST |
Partly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1008 mb
(29.77 in) | SW 11 kph
(SW 6.9 mph) | - | 10SM |
| | KMWH 220952Z AUTO 21006KT 10SM FEW060 01/M04 A2976
RMK AO2 SLP088 T00061039 |
| 00:52 PST |
Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1007 mb
(29.74 in) | SW 13 kph
(SW 8.1 mph) | - | 10SM |
| | KMWH 220852Z AUTO 22007KT 10SM CLR 01/M03 A2974
RMK AO2 SLP080 T00061028 51016 |
