Parker scored eight points and Ogwumike added six during a 16-4 run that gave L.A. (13-8) a 12-point lead. Sami Whitcomb's 3-pointer trimmed the Storm's deficit to 50-41 at halftime. Parker made back-to-back baskets as the Sparks scored 10 of the first 12 third-quarter points and the led by double figures until the closing seconds.
Whitcomb and Alysha Clark each hit four 3-pointers and had 16 points for Seattle (12-11). The Storm have lost three straight.
The Sparks shot a season-high 53% (32 of 61) from the field and forced 19 turnovers.