MEDIAN FLOW RATE · 30 DAY
346,591cfs 5.0% vs avg
Optimal band: 347,261–469,823 cfs
PERIOD HIGH
493,302cfs
PERIOD LOW
219,979cfs
RUNNABLE
55%
last 30 day in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
19.8in
-23% vs normal
19.77 in of precipitation so far this year, 23% below the 30-year normal of 25.58 in for this point in the season.
YTD Total
19.8in
This year so far
Normal to Date
25.6in
30-yr average
Typical Range
19.6–30.0in
10th–90th pct YTD
Departure
-23%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.87" · normal 3.71" (1.3–6.0)
Feb: 0.79" · normal 3.41" (1.6–5.3)
Mar: 4.26" · normal 4.66" (2.7–6.8)
Apr: 5.06" · normal 5.40" (2.8–8.6)
May: 3.40" · normal 4.73" (2.9–6.0)
Jun: 4.39" · normal 3.46" (1.9–5.8)
Jul: 0.02" (so far)· normal 3.24" (1.6–5.1)
Aug: normal 2.78" (1.0–5.2)
Sep: normal 3.11" (0.7–6.4)
Oct: normal 3.78" (1.8–6.8)
Nov: normal 4.10" (1.9–6.9)
Dec: normal 3.74" (2.0–6.2)
Baseline 1991–2020 · Source: Open-Meteo07:03 PM
Your History · Mississippi River at Thebes, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
95°
74°
FRI
98°
76°
SAT
95°
75°
SUN
92°
73°
MON
88°
70°
TUE
85°
68°
WED
88°
67°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:41 AM
SUNSET
08:22 PM
14H 41M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
91% illuminated
Station Location
37.2203, -89.4632Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 21:38 UTC
Site #07022000·USGS
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