Updated January 8, 2018, 5:36 p.m.
UPDATE: ROCKFORD, Ill. (WIFR) - The Winnebago County Coroner's Office says the cold weather may have played a role in the death of Brent Decker.
The coroner's office says Decker may have died of hypothermia.
Toxicology reports will be available in two weeks.
Updated January 4, 2018, 1:40 p.m.
UPDATE: ROCKFORD, Ill. (WIFR) - The Winnebago County Coroner's Office says the man found on the Rock River on Wednesday is 41-year-old Brent Decker of Rockford.
The cause of death is unknown at this time.
Posted January 3, 2018, 9:24 p.m.
ROCKFORD, Ill. (WIFR) -- A man is found dead on the ice in the Rock River near the Whitman Street bridge Wednesday morning by Rockford Park District employees.
Rockford Fire says employees of the park district saw something on the ice from a nearby bike path and notified authorities just before 8 a.m.
It is unknown how long the man was on the river at this time.
Winnebago County Coroner was called to the scene as officials are working to identify the man.
The cause of death is under investigation by Rockford Police and the coroner's office.