Fishing Report
Lake Jacksonville Fishing Report
South Jacksonville, IL
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Modeled from live National Weather Service data as of Sep 9, 2026 at 6:20 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
39.671714, -90.213453
Est. water temp
85.4°F
v1 estimate from air temperature — not a sensor reading
Notes from anglers
Imported from GNIS. Nearest town: South Jacksonville (Morgan County, IL).
Today’s bite
Channel Catfish fishing report
Best window today: 11 PM (Excellent · 97/100)
See the full forecast →Species on record
Species tagged “Group” were listed by the state under a category (e.g. “Panfish”) for this lake, not an individual-species survey.
Species detail
How to catch them at Lake Jacksonville
Black Crappie feed most actively at Dawn and Dusk, when activity runs about 16% above the daily average across all four light windows.
Typical Summer depth: 10-20 ft
Black Crappie fishing report →Channel Catfish feed most actively at Night, when activity runs about 36% above the daily average across all four light windows.
Typical Summer depth: 1-9 ft
Channel Catfish fishing report →Largemouth Bass feed most actively at Dawn and Dusk, when activity runs about 21% above the daily average across all four light windows.
Typical Summer depth: 8-20 ft
Largemouth Bass fishing report →
Location
Lake Jacksonville · 39.6717, -90.2135
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in Lake Jacksonville?
State surveys have confirmed Channel Catfish and Largemouth Bass in Lake Jacksonville.
When's the best time to fish Lake Jacksonville?
Black Crappie feed most actively at Dawn and Dusk, when activity runs about 16% above the daily average across all four light windows. Check today's bite forecast for Lake Jacksonville to see the best window for current conditions.
Where is Lake Jacksonville?
Lake Jacksonville is near South Jacksonville, IL, at 39.6717, -90.2135.
Plan your trip to Lake Jacksonville
Get the hour-by-hour bite forecast and the best times to fish Lake Jacksonville, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.