A 23-year-old man and a 20-year-old man were wounded in the shootings.
"It's about 1,500 people driving this violence," Chicago Police Deputy Supt. John Escalante said.
One person has died and 24 others were shot since 3:45 p.m. Saturday, according to police.
The woman was an unintended target, police said.
Police said "several thousand" officers were saturating high-crime areas, parks and beaches.
Shootings on Friday left two people dead and six wounded.
DNAinfo rolls out our Outdoors Drinks and Entertainment guides for neighborhoods all over the city.
Eddie Howlett, 24, is charged with first-degree murder.
Two men were shot while sitting on a porch in Englewood on Friday afternoon, police said.
They're learning the skills from a new After School Matters program.
They're calling the Beverly to Rogers Park run "Western Avenue Six Pack Almost Marathon."
U. of C.'s Place Lab will start work on the school this summer creating murals for the exterior.
The good news: The rain and thunder will be spotty and some spots in the city could stay dry.
MAP AND LIST: Need plans? There are 123 different movies playing on big screens in 166 different parks.
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