Chicago led 50-40 at halftime behind 11 points from Copper.
Jewell Loyd scored 26 points to lead Seattle (10-23). Loyd became the Storm’s single-season scoring leader, passing Breanna Stewart’s 742 points. Ezi Magbegor added 13 points and Sami Whitcomb scored 10.
SKY 102, STORM 79
SEATTLE (79) — Horston 1-11 1-2 3, Magbegor 5-8 2-3 13, Fankam Mendjiadeu 2-5 2-4 6, Loyd 8-19 8-10 26, Whitcomb 4-7 0-0 10, Holmes 1-4 0-0 3, Russell 3-5 0-0 6, Melbourne 0-2 2-2 2, Nurse 2-7 1-2 6, Turner 1-3 2-2 4. Totals 27-71 18-25 79.
CHICAGO (102) — C.Williams 5-9 0-0 10, Copper 5-14 2-4 12, Smith 4-4 5-5 14, E.Williams 4-8 0-0 8, Mabrey 7-15 2-2 19, Bertsch 1-3 0-0 2, Hebard 3-4 1-2 7, Koné 1-1 0-0 2, Parks 2-7 0-0 5, Soule 0-1 0-0 0, Evans 7-11 5-6 23. Totals 39-77 15-19 102.
Seattle 19 21 20 19— 79
Chicago 27 23 27 25—102
3-Point Goals—Seattle 7-20 (Whitcomb 2-5, Loyd 2-8, Magbegor 1-1, Holmes 1-2, Nurse 1-3, Melbourne 0-1), Chicago 9-25 (Evans 4-6, Mabrey 3-8, Smith 1-1, Parks 1-5, Bertsch 0-1, C.Williams 0-1, Copper 0-3). Fouled Out—None. Rebounds—Seattle 40 (Horston 11), Chicago 36 (Smith 7). Assists—Seattle 22 (Loyd, Magbegor 5), Chicago 20 (Evans 8). Total Fouls—Seattle 16, Chicago 21. A—4,822.