Waterlands
Illinois River
USGS · 05543500
ILLINOIS RIVER
USGS · 05543500LIVE

ILLINOIS RIVER AT MARSEILLES, IL

MARSEILLES, IL41.3270°N, -88.7171°W Updated 2 hr ago
FLOW RATE
9,995cfs
GAUGE HT
12.77ft
AIR TEMP
76°F
WIND
6mph ENE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
9,995cfs 14.7% vs avg
Optimal band: 4,597–6,219 cfs
PERIOD HIGH
42,901cfs
PERIOD LOW
2,876cfs
RUNNABLE
20%
last 1 year in band

Gauge Height

12.77ft
Precipitation History
Your History · ILLINOIS RIVER AT MARSEILLES, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
87°
65°
MON
92°
67°
TUE
96°
71°
WED
88°
72°
THU
88°
72°
FRI
88°
68°
SAT
88°
73°
TIME
MON
3
NOW
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
TEMP
hourly forecast
69°
mild
69°
68°
67°
67°
69°
74°
78°
81°
84°
86°
88°
90°
91°
92°
92°
91°
90°
87°
83°
81°
79°
77°
76°
75°
74°
73°
72°
71°
75°
79°
84°
88°
91°
94°
95°
96°
96°
96°
94°
91°
87°
81°
78°
77°
76°
75°
74°
73°
73°
72°
72°
72°
74°
77°
80°
82°
84°
85°
87°
88°
88°
88°
88°
87°
85°
81°
78°
77°
76°
75°
75°
74°
73°
73°
72°
72°
74°
77°
80°
82°
84°
85°
87°
88°
87°
87°
87°
85°
83°
80°
78°
77°
76°
75°
73°
71°
70°
70°
69°
68°
70°
73°
76°
79°
81°
83°
85°
86°
88°
88°
87°
85°
83°
81°
WIND
mph · gust · dir
3mph NNE
3
NNE
3
G4
NNE
3
N
4
NW
3
G6
NNW
1
G2
WNW
3
G4
W
4
G8
WNW
5
G8
NW
4
G6
NNW
6
G8
N
5
G7
N
5
G8
N
5
G9
N
5
G9
NNE
5
G8
N
4
G7
N
3
G4
NNW
2
N
1
SSW
3
SSE
2
G8
SE
0
G9
E
4
G7
NW
4
G9
W
3
G8
WNW
3
G7
W
3
G8
W
4
G9
W
5
G11
WNW
4
G7
WNW
4
G6
NNW
4
G6
N
5
G10
N
5
G11
NNW
4
G9
N
2
G6
NNE
2
G4
NNE
3
G5
NNW
5
G6
NW
4
G5
WNW
4
WNW
5
NW
5
WNW
4
WNW
4
WNW
4
WNW
3
WNW
4
W
4
W
5
WNW
5
WNW
5
G7
NW
5
G7
NW
5
G6
NW
4
G5
WNW
5
WNW
5
NW
5
NW
5
WNW
5
NW
5
NW
6
NW
5
NW
5
G6
NW
5
NW
5
NW
4
NW
4
WNW
4
WNW
4
WNW
4
WNW
5
WNW
5
NW
5
WNW
6
WNW
5
G8
NW
5
G7
NW
5
G7
NNW
5
G7
NNW
5
G7
NNW
5
NW
4
NW
5
NW
5
NNW
5
NNW
5
NW
4
G6
NW
4
G5
NNW
3
N
3
N
3
NNE
3
NE
5
NE
5
ENE
6
E
7
G8
ENE
5
G6
E
5
E
5
E
4
G5
E
4
G5
ESE
4
SE
3
SSE
3
SSE
3
G4
S
4
G5
SSW
4
G5
SSW
2
G5
SSW
2
G4
SW
2
G4
WSW
3
G4
W
4
W
4
G5
WSW
PRECIP
chance %
0%
0%
0%
0%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
1%
1%
0%
1%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
12%
12%
12%
12%
12%
12%
7%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
82%
10%
100%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
30%
29%
63%
37%
96%
75%
29%
75%
0%
0%
0%
0%
0%
0%
0%
5%
6%
6%
18%
7%
11%
11%
0%
5%
20%
100%
100%
84%
13%
28%
21%
30%
0%
0%
5%
11%
10%
36%
10%
8%
48%
68%
100%
100%
100%
50%
100%
100%
100%
100%
45%
69%
33%
23%
92%
21%
9%
9%
0%
0%
7%
13%
42%
77%
12%
21%
10%
7%
22%
96%
100%
100%
100%
41%
30%
24%
24%
32%
45%
59%
74%
PRESSURE
hPa · trend
1003
1003100510041002100210031002100110011001999998999100099999910001001999
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:32 AM
SUNSET
08:28 PM
14H 56M OF DAYLIGHT
MOON PHASE
New Moon
3% illuminated
PEAK ACTIVITY

Station Location

41.3270, -88.7171
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #05543500·USGS

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