River Closures

Illinois DNR routinely monitors river conditions throughout the state, so check back often for the latest updates.

Non-DNR Notices

Middle Fork Vermilion River: The portion of the river adjacent to the construction is CLOSED beginning Sept. 14, 2026 at 6 a.m. The portion of the river along the right descending bank to be closed will be marked by buoys, float lines and/or signage. When construction is not occurring, the remaining portion of the river will be open to public use. During active construction periods, the contractor may have personnel hold all watercraft for periods up to 15 minutes or require portage along the left descending bank to ensure public safety
Middle Fork Vermilion River from the town of Potomac to the Illinois/Indiana State line is OPEN effective Aug. 25, 2026.
DuPage River, including both the East Branch of the DuPage River and the West Branch of the DuPage River, is OPEN effective 8 a.m. July 9, 2026
Effective noon on May 7, 2026, the Fox River is open from the Stratton Lock and Dam in McHenry County, south to the Bridge Street Bridge in Millington, Kendall County, allowing for non-emergency boating traffic.
Effective starting at 4 p.m. on May 4, 2026, The Upper Fox River from the Stratton Lock and Dam north to the Wisconsin State Line, including the Chain O’Lakes system consisting of Grass Lake, Lake Marie, Channel Lake, Lake Catherine, Bluff Lake, Petite Lake, Fox Lake, Nippersink Lake, and Pistakee Lake, shall be reopened to boating traffic under a NO WAKE ONLY restriction.