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Lake Shelbyville Water Level

U.S. Army Corps of Engineers · Illinois

599.40ftNear full pool

Latest reading Oct 26, 2:30 AM · elevation

Lake Shelbyville is 0.3 ft below full pool today (599.40 ft vs 599.70 ft), 1.8 ft higher than a year ago. It is 99% full. It has fallen 0.02 ft since yesterday and is down 0.11 ft over 7 days.

Lake 0.3 ft below full pool and steady, calm wind — good fall fishing day (6/10), best window 7:25 AM–8:25 AM (moonset near sunrise).

vs full pool−0.30 ftFull pool 599.7 ft · USACE
How full99%196k of 198k acre-ft
Change since yesterday−0.02 ft7 days: −0.11 ft
Same date last year597.60 ftNow +1.80 ft vs 2025
Dam release60.0 cfsOutflow below the dam · inflow 40.0 cfs
Air temp & weather now76°F · Partly SunnyWind S 4 mphNWS forecast · see Weather & wind below
Sun today7:16 AM – 6 PMFirst light 6:48 AM · Last light 6:28 PM

Water level chart

ft above sea level

Full pool (599.7 ft) is 0.3 ft above the latest reading, off this chart

Reading

Lake Shelbyville fishing report & conditions

updated Oct 26, 4:13 PM ET

Lake 0.3 ft below full pool and steady, calm wind — good fall fishing day (6/10), best window 7:25 AM–8:25 AM (moonset near sunrise).

Best fishing times today

Today is a good fishing day (solunar + local conditions)

6/10

Full moon · 99% lit · New moon Mon, Nov 9 · Sunrise 7:16 AM · Sunset 6 PM

Major fishing times

  • Moon underfoot12:03 PM–2:03 PM

Minor fishing times

  • Moonset7:25 AM–8:25 AM
    Sunrise
  • Moonrise5:33 PM–6:33 PM
    Sunset
Fishing times for the next 7 days
TodayOct 266/10GoodMajor 12:03 PM–2:03 PM
Minor 7:25 AM–8:25 AM · 5:33 PM–6:33 PM
Calm wind 1–4 mph
TueOct 275/10FairMajor 12:32 AM–2:32 AM · 1:01 PM–3:01 PM
Minor 8:42 AM–9:42 AM · 6:14 PM–7:14 PM
Light wind 4–8 mph
WedOct 283/10PoorMajor 1:32 AM–3:32 AM · 2:04 PM–4:04 PM
Minor 9:59 AM–10:59 AM · 7:06 PM–8:06 PM
Light wind 2–7 mph
ThuOct 295/10FairMajor 2:36 AM–4:36 AM · 3:09 PM–5:09 PM
Minor 11:09 AM–12:09 PM · 8:09 PM–9:09 PM
Light wind 5–8 mph
FriOct 304/10FairMajor 3:41 AM–5:41 AM · 4:12 PM–6:12 PM
Minor 12:08 PM–1:08 PM · 9:20 PM–10:20 PM
Light wind 2–6 mph
SatOct 315/10FairMajor 4:43 AM–6:43 AM · 5:12 PM–7:12 PM
Minor 12:56 PM–1:56 PM · 10:35 PM–11:35 PM
Light wind 2–6 mph
SunNov 15/10FairMajor 4:41 AM–6:41 AM · 5:08 PM–7:08 PM
Minor 12:34 PM–1:34 PM · 10:49 PM–11:49 PM
Light wind 2–6 mph
How this rating works

Solunar theory says fish feed more when the moon is overhead or underfoot (major periods, about 2 hours) and around moonrise and moonset (minor periods, about 1 hour). On a lake or river there is no tide, so instead of tide changes we score the local conditions anglers watch: the barometric pressure trend, the wind, whether the lake level is steady, and the water temperature where it is measured.

Baseevery day starts at 11
Sunrise / sunseta period overlaps sunrise or sunset ±1 h: major +2, minor +1 (max 3) (Moonset × sunrise +1; Moonrise × sunset +1)2
Moon phasewithin 2 days of a new or full moon +2, within 4 days +1 (today: 0.5 days)2
Local conditionspressure 6 AM→6 PM: falling +2, steady or slowly rising +1, rising fast 0 · daytime wind 4–15 mph +1, over 20 mph (or gusts over 30) −1 · level within ±0.25 ft in 24 h +1 · water 55–75°F +1, below 45°F or above 85°F −1 (0 to 4 in total)
  • Pressure: No NWS pressure forecast for this day +0
  • Wind: Calm 1–4 mph +0
  • Level: Level steady (−0.02 ft in 24 h) +1
1
Today6, rounded6/10

1–3 poor · 4–5 fair · 6–7 good · 8–10 excellent. Pressure and wind are the NOAA National Weather Service hourly forecast for this spot; the level/flow trend is the latest 24 hours of readings on this page. Days 2–7 score sun, moon, forecast pressure and forecast wind only (level and water temperature aren’t forecast). Solunar times are a rule of thumb, not a guarantee.

Solunar periods calculated for 39.41, -88.78 (moon times from astronomical equations, Lake Shelbyville local time).

Weather & wind at Lake Shelbyville

air temperature, not water
Air temp76°FNWS forecast for this hour
Wind4 mphfrom the S · NWS forecast this hour
Gusts6 mphpeak gusts this hour

3-day forecast

NOAA National Weather Service forecast for 39.410, -88.781 (grid ILX), issued Oct 26, 1:30 PM local time. High / low are air temperatures; water temperature is in the fishing section above. The “Air temp & weather” tile at the top refreshes live.

Past 12 months

daily readings from U.S. Army Corps of Engineers

Last 10 days

DateLevel (ft)Change
Mon Oct 26 (today)599.40−0.01
Sun Oct 25599.41−0.02
Sat Oct 24599.43−0.01
Fri Oct 23599.44−0.01
Thu Oct 22599.45−0.02
Wed Oct 21599.47−0.02
Tue Oct 20599.49−0.02
Mon Oct 19599.51−0.01
Sun Oct 18599.52−0.04
Sat Oct 17599.56−0.01

Daily mean of all readings that day; today is the average so far.

Nearby lakes & rivers

About this data

Source
U.S. Army Corps of Engineers — Shelbyville Lake Project
Location
39.4095, -88.7806 · Illinois
Measures
Reservoir water-surface elevation, feet above sea level
Latest reading
Oct 26, 2:30 AM local time
History
400 days on file since 2025-09-21
Page built
Oct 26, 2026 4:13 PM ET
Full pool
599.70 ft — U.S. Army Corps of Engineers (Top of Conservation)
Storage
196,237 of 197,635 acre-ft (Top of Conservation)

Source: U.S. Army Corps of Engineers (official page). Operator data is preliminary and may be revised. Weather: NOAA National Weather Service.