🐟 What fish can you catch in Thompsonville?

Most commonly caught species around Thompsonville , IL : Largemouth bass - 2,276 reported catches Channel catfish - 462 reported catches Bluegill - 337 reported catches White crappie - 256 reported catches Black crappie - 196 reported catches .

📢 What are the latest Thompsonville fishing reports?

The latest Thompsonville , IL fishing reports are: @CaptainHook618 reported a nice White crappie at Rend Lake . @joshhall3823 reported a nice Largemouth bass at Eldorado Reservoir . @drbuddhakush reported a nice Largemouth bass at Gun Creek . @drbuddhakush reported a nice Largemouth bass at Gun Creek . @connorwolf reported a nice Largemouth bass at Campus Lake . .

Fishing in Thompsonville, IL

Q: 🎣 Where to fish in Thompsonville, Illinois?

Anglers in Thompsonville , IL recommend these top fishing spots: Rend Lake , Big Muddy River , Sweet Lake , Harrisburg Reservoir , Crab Orchard Creek .

Q: 📅 What is the best time to go fishing in Thompsonville?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Thompsonville , IL . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Illinois, United States

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Top fish species in Thompsonville

Latest Thompsonville fishing reports

White crappie

Rend Lake

length · weight

Largemouth bass

Eldorado Reservoir

19 in · 5 lb 1 oz

Largemouth bass

Gun Creek

length · weight

Largemouth bass

Gun Creek

length · weight

Largemouth bass

Campus Lake

length · weight

Common carp

length · weight

Largemouth bass

Campus Lake

length · weight

White crappie

Gun Creek

length · weight

Largemouth bass

Gun Creek

length · weight

Channel catfish

Gun Creek

length · weight

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Fishing regulations in Thompsonville

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in Illinois can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching Largemouth bass as of April 18th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Aggregate

There is no statewide size limit. Daily harvest limit is 6 Bass, either singly or in the aggregate, except as specified under Site-Specific Regulations. Only statewide regulations are shown herein, but you can access Site-Specific Regulations online.

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Regulations for

37°54′51.8″N 88°45′43.9″W

Regulations in the map

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FAQ about Thompsonville fishing

Anglers in Thompsonville, IL recommend these top fishing spots: Rend Lake, Big Muddy River, Sweet Lake, Harrisburg Reservoir, and Crab Orchard Creek.

Most commonly caught species around Thompsonville, IL:

Largemouth bass - 2,276 reported catches
Channel catfish - 462 reported catches
Bluegill - 337 reported catches
White crappie - 256 reported catches
Black crappie - 196 reported catches

The latest Thompsonville, IL fishing reports are:

@CaptainHook618 reported a nice White crappie at Rend Lake.
@joshhall3823 reported a nice Largemouth bass at Eldorado Reservoir.
@drbuddhakush reported a nice Largemouth bass at Gun Creek.
@drbuddhakush reported a nice Largemouth bass at Gun Creek.
@connorwolf reported a nice Largemouth bass at Campus Lake.

Download the and see today's Fishing and Weather Forecast for Thompsonville, IL. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities: