A five-run inning on a dark and dreary day brightened the mood of the Cubs and their fans on Wednesday.
Chicago avoided the sweep, defeaing the Brewers, 9-3.
Ryan Theriot had a two-out, two-run single and Cliff Floyd also knocked in a pair in a five-run fourth.
Derrick Lee hit his first homer of the season as Ted Lilly got the win for Chicago.
Milwaukee ace Ben Sheets left the game early due to a strained groin muscle.