MEDIAN FLOW RATE · 1 DAY
27.6cfs 26.7% vs avg
Optimal band: 27–36 cfs
PERIOD HIGH
33.2cfs
PERIOD LOW
27.6cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
2.67ft
Weather Map
Loading weather map…
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.5in
≈ normal
23.49 in of precipitation so far this year — about average for this point in the season (normal 24.03 in).
YTD Total
23.5in
This year so far
Normal to Date
24.0in
30-yr average
Typical Range
19.5–28.9in
10th–90th pct YTD
Departure
-2%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.08" · normal 2.81" (1.1–4.6)
Feb: 1.01" · normal 2.43" (1.0–4.4)
Mar: 6.18" · normal 3.35" (1.6–5.0)
Apr: 5.10" · normal 4.55" (3.0–6.7)
May: 3.02" · normal 4.70" (2.3–7.3)
Jun: 5.94" · normal 4.26" (2.3–7.3)
Jul: 1.17" (so far)· normal 3.82" (1.7–6.2)
Aug: normal 2.87" (1.4–3.7)
Sep: normal 2.92" (1.1–5.4)
Oct: normal 3.30" (1.6–5.8)
Nov: normal 3.37" (1.6–5.5)
Dec: normal 2.58" (1.6–4.0)
Baseline 1991–2020 · Source: Open-Meteo02:51 UTC
Your History · LAKE FORK AT ATWOOD, IL
Track your history
Sign in to track your sessions at LAKE FORK AT ATWOOD, IL — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
39.8063, -88.4762Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-15 02:15 UTC
Site #05590800·USGS
Create a free account to save favorites, set flow alerts, and track conditions