This is spring? Weekend snow, cold hit Midwestern states

Jodi Frisk is surrounded by snowflakes while walking along a paved path near the Quarry Hill Nature Center on Saturday, April 27, 2019, in Rochester, Minn. (Andrew Link/The Rochester Post-Bulletin via AP)

A woman walks past a man standing under the marquee of the Avalon Regal Theater as snow falls in the 1600 block of East 79th Street Saturday, April 27, 2019, in Chicago. (John J. Kim/Chicago Tribune via AP)

Chicago Police Sgt. Richard Unizycki, watches as a fellow sergeant takes a police horse into a transport trailer at the South Shore Cultural Center as snow falls Saturday, April 27, 2019, in Chicago. Unizycki and other officers were preparing to take their mounted patrol on duty along North Michigan Avenue later in the day. (John J. Kim/Chicago Tribune via AP)

A man rides his bike through the snow along Allanson Road in Mundelein, Ill. Saturday morning, April 27, 2019. (Stacey Wescott/Chicago Tribune via AP)

CHICAGO — Winter storm warnings have been posted in at least four Midwestern states as spring pauses for a mix of rain and snow just days before the calendar turns to May.