| 2026-01-11 | 8:00 AM | 0.26 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. 44.2F. RP 30.24 inHg, Steady. PM2.5 AQI: 19-Good. NWS Seattle at 3:22 AM PST: Periods of moderate to heavy rain with snow levels above the
passes will continue today into Monday as the axis of an atmospheric river settles over the CWA. |
| 2026-01-10 | 8:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8:00 AM PST: Overcast. 42.4F. RP 30.28 inHg, Falling. PM2.5 AQI: 23-Good. NWS Seattle at --- AM PST: |
| 2026-01-09 | 8:00 AM | 0.02 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. 44.6F. RP 30.36 inHg, Rising. PM2.5 AQI: 8-Good. NWS Seattle at 2:55 AM PST: A weak upper ridge will slide onshore today for a brief trend
toward drier conditions. |
| 2026-01-08 | 8:00 AM | 0.16 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. ---F. RP --.-- inHg, Falling. PM2.5 AQI: 8-Good. NWS Seattle at 3:30 AM PST: Showers continuing through Thursday with accumulating snowfall in the mountains. |
| 2026-01-07 | 8:00 AM | 0.19 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. ---F. RP --.-- inHg, Falling. PM2.5 AQI: 8-Good. NWS Seattle at 1:57 AM PST: Showers continue early this morning across Western Washington, particularly over the Olympic Peninsula, as well as in a convergence zone along the Snohomish/King County border. |
| 2026-01-06 | 8:00 AM | 0.05 | NA | NA | NA | NA | | 8:00 AM PST: Lightly raining. 41.4F. RP 29.72 inHg, Falling. PM2.5 AQI: 10-Good. NWS Seattle at 2:22 AM PST: The next frontal system is on approach early this morning as stratiform precipitation begins to move into the Olympic Peninsula. Steadier lowland rain is expected through much of the afternoon before the front move east of the area. This front will be accompanied by both gusty southerly winds, as well as heavy mountain snowfall. |
| 2026-01-05 | 8:00 AM | 0.20 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. 41.7F. RP 29.77 inHg, Rising. PM2.5 AQI: 4-Good. NWS Seattle at 2:42 AM PST: Showers continue this morning as an upper trough moves across Western Washington. The bulk of the precipitation is expected to taper off between 800-1000 AM for the majority of the area, resulting in drier conditions this afternoon. |
| 2026-01-04 | 8:00 AM | 0.40 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. 47.1F. RP 29.32 inHg, Rising. PM2.5 AQI: 4-Good. NWS Seattle at 3:38 AM PST: Cloudy skies over Western Washington this morning with rain over parts of the area at 3 am/11z. Mild temperatures with the cloud cover and precipitation, in the mid and upper 40s. |
| 2026-01-03 | 8:00 AM | 0.31 | NA | NA | NA | NA | | 8:00 AM PST: Rain. 46.9F. RP 29.44 inHg, Steady. PM2.5 AQI: 14-Good. NWS Seattle at 3:42 AM PST: Satellite imagery shows large upper level trough near 130W with cloudy skies over Western Washington. Doppler radar lit up with plenty of echoes over the area but most of the precipitation is not reaching the ground. |
| 2026-01-02 | 8:00 AM | 0.16 | NA | NA | NA | NA | | 8:00 AM PST: Overcast. 41.9F. RP 29.77 inHg, Rising. PM2.5 AQI: 43-Good. NWS Seattle at 3:42 AM PST: Satellite imagery shows cloudy skies over Western Washington this morning. Doppler radar has echoes over mostly the eastern half of the area. |
| 2026-01-01 | 8:00 AM | 0.00 | 0.0 | NA | NA | NA | | 8:00 AM PST: Foggy. 34.9F. RP 29.73 inHg, Falling. PM2.5 AQI: 49-Good. NWS Seattle at 4:02 AM PST: Satellite imagery shows high clouds over Western Washington early this morning. Fog formed before the high cloud cover arrived with visibility a half mile or less from Bellingham down the I-5 corridor through Lewis county. |