| 19:21 PST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1012 mb (29.88 in) | Variable 9 kph (Variable 5.8 mph) | 0.00 mm (0.00 in) | 7SM |
| | KELN 270321Z AUTO VRB05KT 7SM -RA SCT006 BKN017 OVC044 05/03 A2989 RMK AO2 P0000 |
| 19:14 PST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1013 mb (29.91 in) | E 11 kph (E 6.9 mph) | 0.00 mm (0.00 in) | 7SM |
| | KELN 270314Z AUTO 10006KT 7SM -RA FEW006 SCT017 OVC044 05/03 A2990 RMK AO2 P0000 |
| 18:53 PST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1013 mb (29.91 in) | Calm | 0.25 mm (0.01 in) | 6SM |
| | KELN 270253Z AUTO 00000KT 6SM -RA BR OVC042 05/03 A2990 RMK AO2 RAE0157B38 SLP135 P0001 60003 T00500033 56015 |
| 17:53 PST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1013 mb (29.91 in) | Calm | 0.25 mm (0.01 in) | 7SM |
| | KELN 270153Z AUTO 00000KT 7SM -RA OVC042 06/03 A2992 RMK AO2 RAB0059 SLP140 P0001 T00560033 |
| 16:53 PST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 6 kph (Variable 3.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KELN 270053Z AUTO VRB03KT 10SM BKN031 OVC040 06/03 A2993 RMK AO2 RAB25E50 SLP146 P0001 T00560033 |
| 15:53 PST |  Mostly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 9 kph (Variable 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262353Z AUTO VRB05KT 10SM BKN065 06/03 A2995 RMK AO2 RAE2258B26E39 SLP150 P0000 60000 T00560033 10056 20050 55001 |
| 15:01 PST |  Partly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 7 kph (Variable 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262301Z AUTO VRB04KT 10SM FEW007 SCT050 06/03 A2994 RMK AO2 RAE2258 P0000 |
| 14:53 PST |  Partly Cloudy Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 9 kph (Variable 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262253Z AUTO VRB05KT 10SM -RA SCT055 06/03 A2994 RMK AO2 RAB10 SLP147 P0000 T00560028 |
| 14:14 PST |  Mostly Cloudy Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | E 13 kph (E 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262214Z AUTO 09007KT 10SM -RA SCT006 BKN049 06/03 A2994 RMK AO2 RAB10 P0000 |
| 13:53 PST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KELN 262153Z AUTO VRB03KT 10SM OVC006 06/03 A2995 RMK AO2 SLP150 T00560028 |
| 12:53 PST |  Mostly Cloudy | 6°C / 43°F | 3°C / 37°F | 81% | 1014 mb (29.94 in) | Variable 7 kph (Variable 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262053Z AUTO VRB04KT 10SM BKN006 06/03 A2995 RMK AO2 RAB11E39 SLP152 P0000 60000 T00560028 58018 |
| 12:12 PST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1015 mb (29.97 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 262012Z AUTO 07003KT 10SM -RA OVC006 06/03 A2997 RMK AO2 RAB11 CIG 005V009 P0000 |
| 11:53 PST |  Overcast | 6°C / 43°F | 2°C / 36°F | 76% | 1015 mb (29.97 in) | E 15 kph (E 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261953Z AUTO 09008KT 10SM OVC008 06/02 A2998 RMK AO2 RAE51 SLP159 P0000 T00560022 |
| 10:53 PST |  Overcast Light Rain | 5°C / 41°F | 2°C / 36°F | 81% | 1016 mb (30 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261853Z AUTO 07003KT 10SM -RA OVC008 05/02 A2999 RMK AO2 RAB21 SLP166 P0000 T00500022 |
| 10:45 PST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1016 mb (30 in) | E 9 kph (E 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261845Z AUTO 09005KT 10SM OVC008 05/02 A3000 RMK AO2 RAB21E42 P0000 |
| 10:31 PST |  Overcast Light Rain | 5°C / 41°F | 2°C / 36°F | 81% | 1016 mb (30 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261831Z AUTO 06003KT 10SM -RA BKN010 OVC065 05/02 A3001 RMK AO2 RAB21 P0000 |
| 09:53 PST |  Mostly Cloudy | 5°C / 41°F | 2°C / 36°F | 81% | 1016 mb (30 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261753Z AUTO 04003KT 10SM FEW009 BKN070 BKN090 05/02 A3001 RMK AO2 RAB1654E14 SLP171 P0000 60000 T00500022 10050 20044 51006 |
| 09:44 PST |  Mostly Cloudy | 5°C / 41°F | 2°C / 36°F | 81% | 1016 mb (30 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KELN 261744Z AUTO VRB03KT 10SM SCT009 BKN075 BKN090 05/02 A3001 RMK AO2 RAB1654E14 P0000 |
| 08:53 PST |  Mostly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KELN 261653Z AUTO VRB04KT 10SM BKN007 04/02 A3001 RMK AO2 SLP172 T00440022 |
| 08:05 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KELN 261605Z AUTO VRB05KT 10SM OVC007 04/02 A3000 RMK AO2 |
| 07:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KELN 261553Z AUTO VRB05KT 10SM OVC005 04/02 A3000 RMK AO2 SLP171 T00440022 |
| 07:31 PST |  Overcast Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Variable 9 kph (Variable 5.8 mph) | - | 5SM |
| | KELN 261531Z AUTO VRB05KT 5SM BR OVC005 04/02 A2999 RMK AO2 CIG 003V008 |
| 06:53 PST |  Overcast Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | Variable 9 kph (Variable 5.8 mph) | - | 5SM |
| | KELN 261453Z AUTO VRB05KT 5SM BR OVC007 04/02 A2999 RMK AO2 SLP164 T00440022 56014 |
| 05:53 PST |  Overcast Fog And Mist | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | E 7 kph (E 4.6 mph) | - | 6SM |
| | KELN 261353Z AUTO 10004KT 6SM BR OVC007 04/02 A2999 RMK AO2 SLP164 T00440022 |
| 04:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1016 mb (30 in) | ENE 6 kph (ENE 3.5 mph) | - | 7SM |
| | KELN 261253Z AUTO 06003KT 7SM OVC007 04/02 A3001 RMK AO2 SLP170 T00440022 |
| 03:53 PST |  Overcast Hazy | 5°C / 41°F | 2°C / 36°F | 81% | 1017 mb (30.03 in) | N 9 kph (N 5.8 mph) | - | 6SM |
| | KELN 261153Z AUTO 36005KT 6SM HZ OVC009 05/02 A3003 RMK AO2 SLP178 T00500022 10050 20039 58013 |
| 02:53 PST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1017 mb (30.03 in) | NE 7 kph (NE 4.6 mph) | - | 8SM |
| | KELN 261053Z AUTO 03004KT 8SM OVC009 05/02 A3004 RMK AO2 SLP180 T00500022 |
| 01:53 PST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1018 mb (30.06 in) | ENE 6 kph (ENE 3.5 mph) | - | 8SM |
| | KELN 260953Z AUTO 07003KT 8SM OVC009 05/02 A3007 RMK AO2 SLP190 T00500022 |
| 01:17 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1018 mb (30.06 in) | E 6 kph (E 3.5 mph) | - | 9SM |
| | KELN 260917Z AUTO 08003KT 9SM OVC009 04/02 A3006 RMK AO2 |
| 00:53 PST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1018 mb (30.06 in) | E 11 kph (E 6.9 mph) | - | 8SM |
| | KELN 260853Z AUTO 08006KT 8SM OVC011 04/02 A3007 RMK AO2 SLP193 T00440022 58013 |