Shenise Johnson had 17 points and 10 rebounds and the San Antonio Silver Stars held on for a 70-64 victory over Seattle on Sunday.
The Silver Stars' win snapped the Storm's three-game winning streak.
Danielle Adams and Jia Perkins each had 14 points and Davellyn Whyte added 13 points and seven assists in her second career start for San Antonio (10-17).
Reserve forward Noelle Quinn had 14 points to lead Seattle (13-14). Tina Thompson and Camille Little each had 11 points and Temeka Wright added 10 for the Storm.