| 14:53 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 5SM |
| | KPUW 042253Z AUTO 27003KT 5SM BR OVC004 M06/M07 A3006 RMK AO2 SLP215 T10561067 |
| 14:44 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 5SM |
| | KPUW 042244Z AUTO 28003KT 5SM BR BKN004 OVC008 M06/M07 A3006 RMK AO2 |
| 14:29 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | WNW 6 kph (WNW 3.5 mph) | - | 6SM |
| | KPUW 042229Z AUTO 29003KT 6SM BR OVC006 M06/M07 A3006 RMK AO2 CIG 003V010 |
| 14:00 PST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | WNW 9 kph (WNW 5.8 mph) | - | 4SM |
| | KPUW 042200Z AUTO 29005KT 4SM BR OVC003 M06/M06 A3005 RMK AO2 |
| 13:53 PST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | W 6 kph (W 3.5 mph) | - | 4SM |
| | KPUW 042153Z AUTO 28003KT 4SM BR OVC005 M06/M06 A3006 RMK AO2 SLP212 T10561061 |
| 12:53 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | WNW 13 kph (WNW 8.1 mph) | - | 5SM |
| | KPUW 042053Z AUTO 29007KT 5SM BR OVC005 M06/M07 A3007 RMK AO2 SLP216 60000 T10561067 58003 |
| 12:31 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | - | 5SM |
| | KPUW 042031Z AUTO 27007KT 5SM BR OVC005 M06/M07 A3007 RMK AO2 |
| 12:08 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | WNW 9 kph (WNW 5.8 mph) | - | 5SM |
| | KPUW 042008Z AUTO 29005KT 5SM BR OVC003 M06/M07 A3007 RMK AO2 CIG 001V005 |
| 12:01 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | WNW 11 kph (WNW 6.9 mph) | - | 2 1/2SM |
| | KPUW 042001Z AUTO 29006KT 2 1/2SM BR OVC003 M06/M07 A3007 RMK AO2 |
| 11:53 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KPUW 041953Z AUTO 30006KT 3SM BR OVC003 M06/M07 A3007 RMK AO2 SNB1855E05 SLP217 P0000 T10561067 |
| 11:51 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KPUW 041951Z AUTO 32009KT 3SM BR OVC003 M06/M07 A3008 RMK AO2 SNB1855E05 P0000 |
| 11:44 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KPUW 041944Z AUTO 32010KT 2 1/2SM BR OVC003 M06/M07 A3008 RMK AO2 SNB1855E05 P0000 |
| 11:18 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | W 17 kph (W 10.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KPUW 041918Z AUTO 28009KT 5SM BR BKN003 OVC006 M06/M07 A3008 RMK AO2 SNB1855E05 P0000 |
| 11:11 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | WNW 13 kph (WNW 8.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KPUW 041911Z AUTO 29007KT 2 1/2SM BR BKN001 OVC006 M06/M07 A3008 RMK AO2 VIS 3/4V5 SNB1855E05 P0000 |
| 10:53 PST |  Overcast Fog | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | SSW 13 kph (SSW 8.1 mph) | - | 1/4SM |
| | KPUW 041853Z AUTO 26007KT 1/4SM FZFG OVC001 M06/M06 A3008 RMK AO2 SLP218 T10561061 |
| 09:53 PST |  Obscured Fog | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | WNW 11 kph (WNW 6.9 mph) | - | M1/4SM |
| | KPUW 041753Z AUTO 29006KT M1/4SM FZFG VV001 M06/M06 A3009 RMK AO2 SLP221 T10561061 11050 21094 50001 |
| 09:04 PST |  Overcast Fog | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | W 11 kph (W 6.9 mph) | - | 1/2SM |
| | KPUW 041704Z AUTO 28006KT 1/2SM FZFG OVC001 M06/M07 A3009 RMK AO2 |
| 08:53 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | W 11 kph (W 6.9 mph) | - | 1SM |
| | KPUW 041653Z AUTO 28006KT 1SM BR OVC003 M06/M07 A3009 RMK AO2 SLP221 T10561067 |
| 08:28 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | W 6 kph (W 3.5 mph) | - | 1 3/4SM |
| | KPUW 041628Z AUTO 28003KT 1 3/4SM BR OVC003 M06/M07 A3008 RMK AO2 |
| 08:07 PST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | Calm | - | 3SM |
| | KPUW 041607Z AUTO 00000KT 3SM BR OVC001 M06/M07 A3008 RMK AO2 |
| 07:53 PST |  Overcast Fog And Mist | -7°C / 19°F | -7°C / 19°F | 100% | 1019 mb (30.09 in) | NW 9 kph (NW 5.8 mph) | - | 1SM |
| | KPUW 041553Z AUTO 31005KT 1SM BR BKN001 OVC014 M07/M07 A3008 RMK AO2 SLP222 T10671072 |
| 07:49 PST |  Overcast Fog And Mist | -7°C / 19°F | -7°C / 19°F | 100% | 1019 mb (30.09 in) | NW 9 kph (NW 5.8 mph) | - | 1 1/4SM |
| | KPUW 041549Z AUTO 30005KT 1 1/4SM BR BKN001 OVC014 M07/M07 A3008 RMK AO2 |
| 07:38 PST |  Overcast Fog | -7°C / 19°F | -7°C / 19°F | 100% | 1019 mb (30.09 in) | W 6 kph (W 3.5 mph) | - | 1/2SM |
| | KPUW 041538Z AUTO 27003KT 1/2SM FZFG OVC001 M07/M07 A3009 RMK AO2 |
| 07:27 PST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1019 mb (30.09 in) | NW 7 kph (NW 4.6 mph) | - | 1 3/4SM |
| | KPUW 041527Z AUTO 30004KT 1 3/4SM BR OVC001 M07/M08 A3008 RMK AO2 VIS 1/2V5 |
| 07:01 PST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 4SM |
| | KPUW 041501Z AUTO 31006KT 4SM BR OVC001 M07/M08 A3007 RMK AO2 |
| 06:53 PST |  Overcast Fog And Mist | -7°C / 19°F | -8°C / 18°F | 93% | 1018 mb (30.06 in) | NW 6 kph (NW 3.5 mph) | - | 2SM |
| | KPUW 041453Z AUTO 30003KT 2SM BR OVC001 M07/M08 A3007 RMK AO2 SLP216 T10721078 55011 |
| 06:15 PST |  Obscured Fog | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 1/2SM |
| | KPUW 041415Z AUTO 31006KT 1/2SM FZFG VV001 M09/M10 A3008 RMK AO2 |
| 06:08 PST |  Obscured Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 1SM |
| | KPUW 041408Z AUTO 30007KT 1SM BR VV001 M09/M10 A3007 RMK AO2 VIS 1/2V5 |
| 06:06 PST |  Clear Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1018 mb (30.06 in) | NW 13 kph (NW 8.1 mph) | - | 1 3/4SM |
| | KPUW 041406Z AUTO 30007KT 1 3/4SM BR CLR M09/M11 A3007 RMK AO2 VIS 1/2V5 |
| 05:53 PST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1018 mb (30.06 in) | NW 9 kph (NW 5.8 mph) | - | 9SM |
| | KPUW 041353Z AUTO 30005KT 9SM CLR M09/M10 A3007 RMK AO2 SLP218 T10941100 |
| 04:53 PST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1018 mb (30.06 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KPUW 041253Z AUTO 24006KT 10SM CLR M08/M11 A3007 RMK AO2 SLP219 T10831106 |
| 03:53 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KPUW 041153Z AUTO 00000KT 10SM CLR M06/M10 A3010 RMK AO2 SLP226 T10561100 11039 21061 58016 |
| 02:53 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1020 mb (30.12 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KPUW 041053Z AUTO 08005KT 10SM CLR M06/M10 A3013 RMK AO2 SLP233 T10561100 |
| 01:53 PST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1021 mb (30.15 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KPUW 040953Z AUTO 10006KT 10SM CLR M05/M09 A3014 RMK AO2 SLP236 T10501094 |
| 00:53 PST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1021 mb (30.15 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KPUW 040853Z AUTO 10007KT 10SM CLR M04/M09 A3016 RMK AO2 SLP241 T10441094 58015 |