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    A post frontal airmass will keep scattered showers
    going through this evening, with rain chances increasing tonight
    as the next system approaches the region. Expect mainly VFR in
    the interior, with occasional MVFR possible with heavier showers.
    The coast will remain a mix of IFR and MVFR. Conditions will
    remain IFR or MVFR along the coast tonight into Saturday with
    light rain while the interior will trend towards MVFR Saturday
    morning. Expect lower conditions to persist through most of the
    day Saturday.
    KPDX AND APPROACHES...Mainly VFR showers this evening, with brief
    periods of MVFR possible with heavier showers. Light rain returns
    tonight, with conditions trending towards MVFR Saturday morning.
    MVFR conditions look to persist through the day Saturday. /64