Mercer County · lake · 1 acres · seasonal
Heiser Slough
Heiser Slough is a lake in Mercer County, Illinois. FishableWaters aggregates every stocking record for this water from Illinois's fish & wildlife agency; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Rain
78°
70°
16 mph
88%
Sat
Overcast
77°
66°
21 mph
48%
Sun
Overcast
79°
61°
12 mph
4%
↘ pressure fallingFalling pressure ahead of a front often turns the bite on.
Stocking ledger
No published stocking records yet. This water stays in our books — the ledger begins the hour its state agency publishes a record.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Half Moon Slough0.6 mi
- Pool 170.9 mi
- Beebe Pond1.6 mi
- Mill Pond2.2 mi
- Beaver Pond2.3 mi
- Big Goose Pond2.2 mi
- Little Fox Pond2.0 mi
- Lake Odesa2.2 mi
Seasons, limits, and rules are the state's call — check the official IL regulations and buy your license before you go. We link the source; we never restate the rules.
Heiser Slough fishing — FAQ
Do I need a license to fish Heiser Slough?+
Yes — Illinois requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Heiser Slough?+
Heiser Slough is a lake in Mercer County, Illinois. Driving directions and an interactive topo map are on this page.