Grundy County · stream · order 2 river · ~4 cfs typical
Armstrong Run
Armstrong Run is a stream in Grundy 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
83°
62°
17 mph
62%
Sat
Showers
72°
68°
23 mph
90%
Sun
Drizzle
75°
62°
18 mph
33%
↘ 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
- Hog Run0.4 mi
- Spring Brook2.1 mi
- North Kickapoo Creek3.6 mi
- LaSalle County Nuclear Station Cooling Pond4.3 mi
- South Kickapoo Creek4.5 mi
- Bills Run5.9 mi
- Waupecan Creek6.6 mi
- Marseilles Pool6.5 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.
Armstrong Run fishing — FAQ
Do I need a license to fish Armstrong Run?+
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 Armstrong Run?+
Armstrong Run is a stream in Grundy County, Illinois. Driving directions and an interactive topo map are on this page.