LOS ANGELES (WNBA)-With top player Lisa Leslie out due to child birth and Chamique Holdsclaw retired, Los Angeles set a club record with a seventh straight loss as it shot just 30% (20 of 67) from the field.
Jackson shot seven of 15 from floor with two three-pointers as Seattle built up a 21-point lead after third quarters before cruising to its fourth win in its last five games.
Iziane Castro Marque scored 19 points and Betty Lennox added 12 and five assists for the Storm, who shot 49% (31-of-63) and held a 34-25 advantage in rebounds.
Taj McWilliams-Franklin was the lone player in double figures with 10 points, while top rookie Sidney Spencer was held to two points on one-of-seven shooting for the Sparks.
Swin Cash scored 20 points to lead the Detroit Shock to a 92-84 win over the Chicago Sky.
Deanna Nolan scored 18 points and Plenette Pierson added 16 off the bench for Detroit (13-5), which is 5-0 all-time against Chicago.
After a lay-up by Candice Dupree with 4:21 left in the third period gave the Sky a 53-48 lead, Katie Smith sank two three-pointers wrapped around a Cash jumper that gave Detroit the lead for good at 56-55 with 1:38 remaining. Smith scored 14 points, including four shots from the arc.
Cash connected on 7-of-10 from the floor for Detroit, which shot 52% (36 of 69).
Reserve Jia Perkins scored 22 points and Chasity Melvin scored 18 for Chicago, which led 41-40 at half-time and shot 43% (31 of 72).
Dupree had 17 points and hauled in 10 rebounds for the Sky (8-11), who have lost three straight.
Nakia Sanford scored 25 points and the Washington Mystics bounced back from a fourth-quarter collapse to post a 91-83 overtime victory over the Minnesota Lynx.
Down 43-37 at the half, Washington outscored Minnesota, 32-14, in the third quarter to take a 69-57 lead.
The Lynx rallied in the fourth, outscoring the Mystics 22-10 to force overtime.
Monique Currie hit a pair of free throws and Alana Beard added a layup to open the extra period and give Washington an 83-79 lead with four minutes to play.
After Nicole Ohlde made two free throws to pull the Lynx within 83-81, Sanford and Beard responded with lay-ups to make it 87-81 with 2:37 remaining.
Nikki Teasley, who scored eight points, made four free throws in the final 21 seconds of overtime to seal the win for the Mystics (7-12).
Svetlana Abrosimova scored 20 points and Seimone Augustus added 16 for Minnesota (5-15).
Tamika Catchings scored 23 points and grabbed six rebounds as the Indiana Fever recorded their fourth straight victory, a 79-77 triumph over the Houston Comets.
Catchings, who shot 6-of-10 from the floor, has averaged 17.5 points and 7.0 rebounds during the current winning streak.
Tammy Sutton-Brown had 20 points and six rebounds and Tamika Whitmore added 13 points for the Fever, who shot 46% (28 of 61).
The Comets, who led, 67-61, entering the fourth quarter, had five players score in double-digits.
Reserve Latasha Byears scored 15 points and Tina Thompson added 13 on just two-of-12 shooting with seven rebounds for Houston, which shot 41% (29 of 71) from the field.
Tamecka Dixon and Hamchetou Maiga-Ba each had 12 points and Sancho Little collected 10 for the Comets, who have lost three of their last four contests.