| 14:52 PST | 
Clear | -6°C / 21°F | -18°C / 0°F | 38% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMWH 102252Z 00000KT 10SM CLR M06/M18 A3013
RMK AO2 SLP227 T10611178 |
| 13:52 PST |
Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KMWH 102152Z 00000KT 10SM CLR M07/M17 A3013
RMK AO2 SLP228 T10671172 |
| 12:52 PST |
Clear | -7°C / 19°F | -17°C / 1°F | 45% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KMWH 102052Z 00000KT 10SM CLR M07/M17 A3015
RMK AO2 SLP235 T10721167 58018 |
| 11:52 PST |
Clear | -8°C / 18°F | -17°C / 1°F | 49% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KMWH 101952Z 00000KT 10SM CLR M08/M17 A3017
RMK AO2 SLP244 T10831167 |
| 10:52 PST |
Clear | -10°C / 14°F | -17°C / 1°F | 57% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KMWH 101852Z 00000KT 10SM CLR M10/M17 A3019
RMK AO2 SLP250 T11001167 |
| 09:52 PST |
Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1023 mb
(30.21 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KMWH 101752Z 01003KT 10SM CLR M12/M17 A3021
RMK AO2 SLP254 T11221172 11122 21194 53003 |
| 08:52 PST |
Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1023 mb
(30.21 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KMWH 101652Z 01004KT 10SM CLR M16/M19 A3020
RMK AO2 SLP253 T11561194 |
| 07:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1022 mb
(30.18 in) | NNE 7 kph
(NNE 4.6 mph) | - | 10SM |
| | KMWH 101552Z 02004KT 10SM CLR M18/M21 A3019
RMK AO2 SLP252 T11781206 |
| 06:52 PST | 
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb
(30.21 in) | N 9 kph
(N 5.8 mph) | - | 10SM |
| | KMWH 101452Z 36005KT 10SM CLR M18/M21 A3020
RMK AO2 SLP253 T11831211 55007 |
| 05:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb
(30.21 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KMWH 101352Z 01004KT 10SM CLR M18/M21 A3020
RMK AO2 SLP252 T11831211 |
| 04:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb
(30.21 in) | NNE 7 kph
(NNE 4.6 mph) | - | 10SM |
| | KMWH 101252Z AUTO 02004KT 10SM CLR M18/M21 A3021
RMK AO2 SLP257 T11781206 |
| 03:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1023 mb
(30.21 in) | N 11 kph
(N 6.9 mph) | - | 10SM |
| | KMWH 101152Z AUTO 36006KT 10SM CLR M18/M21 A3022
RMK AO2 SLP258 T11831206 11122 21189 58012 |
| 02:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1024 mb
(30.24 in) | NNW 6 kph
(NNW 3.5 mph) | - | 10SM |
| | KMWH 101052Z AUTO 34003KT 10SM CLR M18/M21 A3024
RMK AO2 SLP267 T11831206 |
| 01:52 PST |
Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1024 mb
(30.24 in) | N 9 kph
(N 5.8 mph) | - | 10SM |
| | KMWH 100952Z AUTO 01005KT 10SM CLR M18/M21 A3025
RMK AO2 SLP269 T11781206 |
| 00:52 PST |
Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1025 mb
(30.27 in) | N 9 kph
(N 5.8 mph) | - | 10SM |
| | KMWH 100852Z AUTO 36005KT 10SM CLR M17/M20 A3026
RMK AO2 SLP270 T11721200 58009 |
