A cold front will drop through the region tonight with partly cloudy skies expected along with a slight chance for a shower.  Much cooler conditions will follow with highs on Saturday only in the low to mid 60s.  Cloudy skies through the morning will keep temperatures in the 50s, but partial sunshine will develop during the afternoon allowing for slightly warmer conditions.  The winds will remain brisk out of the northwest with gusts to near 25 mph.  Mostly sunny skies are likely for Father's Day with highs in the upper 60s.