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Illinois

Lake of Egypt

Lake of Egypt is an Illinois largemouth lake covering some 2,129 acres in Johnson County; patterns track season more than the map.

Surface
2,129acres
Primary species
Largemouth
§ 01Today on the water · Lake of Egyptvia Open-Meteo · 15:45 local
Air temp
87.5°F
Barometric
30.02″
→steady 24h(-0.05)
Wind
6mph
from SW
Moon
Waning Gibbous
day 19.4 · 77% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 1
    sepTue

    Stable window

    hi 94° · lo 72°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light s wind · settled

  2. 2
    sepWed

    Stable window

    hi 96° · lo 74°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light s wind · settled

  3. 3
    sepThu

    Stable window

    hi 103° · lo 76°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light sw wind · settled

§ 04Field notesIllinois

Where it is

Set in Johnson County, Illinois, Lake of Egypt covers about 2,129 acres. Largemouth use the shallow cover and the deeper water as the calendar moves.

Seasonal pattern

Spring. Early warming sends largemouth into the shallows to stage and spawn, the calmest sun-fed water leading the move.

Summer. Warm water moves largemouth onto deeper structure and shade; the early and late hours are the better windows.

Fall. Dropping temperatures pull bait and largemouth back toward shallow water in a wider, roaming feed.

Winter. Cold pushes largemouth deep and lethargic; slow down and fish a quiet, deliberate line.

Key structure

  • Inside turns where a bank changes angle
  • Channel edges and the breaks beside them
  • Creek and cove mouths that funnel fish and bait
  • Transitions from soft to hard bottom

The calendar decides which of these is worth time on a given day.

Forage

Largemouth in Johnson County key on baitfish and the panfish sharing that cover, trailing the forage as the season turns.

Access

There is public access around Lake of Egypt. Confirm current launch and ramp conditions locally before heading out, as availability shifts with the season.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00424865). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

Last revised · Back to Lake Guide