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    Cold front is slowly pushing into western Oregon and
    western Washington this evening. Moist southerly flow aloft will
    maintain rain through most of the evening, with transition to more
    showery precipitation later tonight. Mix of conditions tonight, with
    VFR and areas of MVFR. As of 8 pm, still have widespread MVFR with
    patchy IFR CIGS inland, with higher terrain frequently obscured in
    clouds/precipitation. This will persist for another 3 to 6 hrs.
    Generally, looks to improve to VFR inland later tonight, as the rain
    transitions to showers. Likely to see mix of mostly VFR with pockets
    of MVFR with the showers later tonight well into Friday.
    For detailed regional Pac NW aviation weather information, go online
    to: https://weather.gov/zse
    KPDX AND APPROACHES...Steady rain over the ops area this evening,
    and likely to continue until bit after midnight. Mix of lower VFR
    with occasional MVFR will continue as well. Later tonight, will
    transition to more showers, with conditions improving a bit. Even
    though likely to remain VFR through the day, will still have some
    MVFR CIGS with passing showers.