Rain Monday afternoon in Chicago for Cubs home opener

CHICAGO (CBS)-- Rain is expected to return Monday afternoon, bringing wet conditions to the Cubs home opener in the early innings. 

According to the National Weather Service, the heaviest rain is expected in areas south of I-80. Flooding is possible in ditches and low-lying fields. 

Temperatures will be near 48 degrees, with cooler temperatures near the lake. 

Rain continues on Tuesday, and a cold front moves into northern Illinois. 

A wintry mix with some snowflakes is possible on Wednesday morning, and a small and slushy accumulation is expected.