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

ILLINOIS RIVER AT MARSEILLES, IL

MARSEILLES, IL41.3270°N, -88.7171°W Updated 15 hr ago
FLOW RATE
10,071cfs
GAUGE HT
12.79ft
AIR TEMP
83°F
WIND
7mph ENE
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
10,071cfs 81.8% vs avg
Optimal band: 18,986–25,686 cfs
PERIOD HIGH
42,172cfs
PERIOD LOW
10,071cfs
RUNNABLE
19%
last 30 day in band

Gauge Height

12.79ft
Precipitation History
Your History · ILLINOIS RIVER AT MARSEILLES, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
65°
MON
92°
65°
TUE
87°
70°
WED
87°
72°
THU
86°
66°
FRI
79°
62°
SAT
82°
63°
TIME
SUN
4
NOW
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
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
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
TEMP
hourly forecast
88°
mild
88°
88°
87°
84°
80°
77°
74°
73°
71°
70°
69°
67°
67°
66°
65°
68°
73°
77°
81°
85°
87°
89°
91°
92°
92°
92°
92°
90°
87°
84°
81°
78°
76°
75°
74°
74°
74°
71°
70°
73°
75°
78°
80°
82°
84°
86°
86°
87°
87°
87°
86°
85°
81°
78°
77°
76°
75°
75°
74°
74°
73°
72°
72°
74°
77°
79°
82°
83°
85°
86°
87°
87°
87°
87°
86°
84°
80°
78°
77°
76°
75°
74°
74°
73°
72°
72°
72°
74°
75°
78°
80°
82°
84°
86°
84°
84°
84°
84°
83°
80°
77°
74°
68°
66°
65°
65°
64°
63°
63°
62°
62°
63°
66°
70°
WIND
mph · gust · dir
9mph NNE
G 12 mph
9
G12
NNE
8
G11
ENE
9
G11
ENE
7
G11
ENE
5
G8
ENE
6
G8
ENE
5
G8
NE
5
G8
ENE
4
G6
E
5
G7
E
5
G7
ENE
5
G7
E
4
G5
ENE
1
G3
E
2
NNW
3
NNW
1
SSW
2
G3
S
2
G4
WSW
2
G6
WNW
2
G5
NNW
2
G6
N
2
G4
NNW
2
G6
NNE
2
G6
NE
1
G5
N
2
G4
NNE
1
G3
N
2
NNW
2
N
1
N
3
G5
SW
3
G8
WSW
3
G8
W
4
G8
WNW
3
G8
NW
3
G7
WNW
4
G6
WNW
3
G5
W
4
G6
NW
5
G7
NNW
5
G6
NNW
5
G7
NNW
4
G5
N
3
N
2
G3
N
1
N
1
W
3
W
3
WNW
4
NW
3
NW
2
WNW
3
W
3
W
4
W
4
W
4
W
4
WSW
5
WSW
6
WNW
5
WNW
5
G7
WNW
4
G8
WNW
5
G7
WNW
6
G7
WNW
6
G7
WNW
7
NW
6
G7
WNW
6
WNW
7
WNW
7
WNW
7
NW
7
NW
7
G10
NW
5
G9
NW
5
WNW
5
WNW
5
W
6
W
6
WNW
6
WNW
6
G7
W
6
G8
NW
6
G7
NW
6
G7
NW
5
G7
WNW
5
G11
NW
6
G11
NNW
6
G9
NNW
8
G10
N
7
G10
N
6
G8
NNW
7
G9
N
9
G10
N
9
G10
NNE
9
NNE
9
G10
NNE
8
G11
NNE
7
G12
NE
7
G9
NNE
11
G21
ENE
9
G22
ENE
8
G19
ENE
7
G15
ENE
6
G9
ENE
6
G7
ENE
6
G7
NE
6
G7
NE
6
G9
ENE
6
G11
ENE
6
G12
ENE
7
G11
ENE
7
G11
ENE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
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%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
3%
3%
4%
4%
CLOUDS
cover %
9%
clear
9%
1%
4%
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%
3%
5%
100%
100%
100%
100%
100%
100%
100%
16%
0%
9%
10%
5%
10%
6%
6%
5%
7%
62%
100%
100%
9%
11%
0%
6%
5%
11%
7%
51%
100%
100%
100%
6%
6%
8%
5%
0%
5%
100%
100%
35%
6%
29%
7%
5%
71%
100%
100%
29%
87%
93%
49%
62%
65%
63%
39%
78%
100%
30%
16%
10%
11%
18%
37%
11%
7%
33%
40%
49%
53%
45%
31%
23%
25%
33%
PRESSURE
hPa · trend
1002
100210031003100410031002100210041002100210011001999999998100099910011003
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:32 AM
SUNSET
08:28 PM
14H 56M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

41.3270, -88.7171
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #05543500·USGS

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