| 10:53 PST | 
Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1022 mb
(30.18 in) | SSE 6 kph
(SSE 3.5 mph) | - | 8SM |
| | KALW 041853Z 20003KT 8SM BKN010 OVC015 M02/M05 A3018
RMK AO2 CIG 008V013 SLP233 T10221050 |
| 10:19 PST |
Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1022 mb
(30.18 in) | Calm | - | 9SM |
| | KALW 041819Z 00000KT 9SM OVC010 M02/M05 A3019
RMK AO2 |
| 09:53 PST |
Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KALW 041753Z 00000KT 10SM OVC008 M03/M05 A3019
RMK AO2 SLP238 T10281050 11022 21028 51010 |
| 09:43 PST |
Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KALW 041743Z 00000KT 10SM OVC008 M03/M05 A3019
RMK AO2 |
| 08:53 PST |
Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1022 mb
(30.18 in) | Calm | - | 9SM |
| | KALW 041653Z 00000KT 9SM OVC010 M03/M05 A3019
RMK AO2 SLP237 T10281050 |
| 07:53 PST | 
Overcast
Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1022 mb
(30.18 in) | NW 9 kph
(NW 5.8 mph) | - | 6SM |
| | KALW 041553Z 32005KT 6SM BR OVC008 M03/M04 A3018
RMK AO2 SLP235 T10281044 |
| 06:53 PST |
Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1021 mb
(30.15 in) | NW 7 kph
(NW 4.6 mph) | - | 10SM |
| | KALW 041453Z 31004KT 10SM OVC008 M03/M05 A3016
RMK AO2 SLP228 T10281050 55005 |
| 05:53 PST |
Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1021 mb
(30.15 in) | SW 9 kph
(SW 5.8 mph) | - | 10SM |
| | KALW 041353Z AUTO 21005KT 10SM OVC008 M03/M05 A3015
RMK AO2 SLP226 T10281050 |
| 04:53 PST |
Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1022 mb
(30.18 in) | SE 9 kph
(SE 5.8 mph) | - | 9SM |
| | KALW 041253Z AUTO 14005KT 9SM OVC008 M02/M05 A3018
RMK AO2 SLP233 T10221050 |
| 03:53 PST |
Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1022 mb
(30.18 in) | SSE 6 kph
(SSE 3.5 mph) | - | 9SM |
| | KALW 041153Z AUTO 15003KT 9SM OVC008 M02/M05 A3017
RMK AO2 SLP232 T10221050 11017 21022 57027 |
| 03:11 PST |
Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb
(30.21 in) | SW 6 kph
(SW 3.5 mph) | - | 8SM |
| | KALW 041111Z AUTO 23003KT 8SM OVC008 M02/M04 A3020
RMK AO2 |
| 02:53 PST |
Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb
(30.21 in) | SW 9 kph
(SW 5.8 mph) | - | 8SM |
| | KALW 041053Z AUTO 23005KT 8SM OVC010 M02/M04 A3021
RMK AO2 SLP243 T10221044 |
| 01:53 PST |
Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb
(30.24 in) | SW 7 kph
(SW 4.6 mph) | - | 8SM |
| | KALW 040953Z AUTO 21004KT 8SM OVC010 M02/M04 A3023
RMK AO2 SLP249 T10171044 |
| 00:53 PST |
Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb
(30.27 in) | Calm | - | 9SM |
| | KALW 040853Z AUTO 00000KT 9SM OVC010 M02/M04 A3026
RMK AO2 SLP260 T10171044 58009 |
