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

ILLINOIS RIVER AT MARSEILLES, IL

MARSEILLES, IL41.3270°N, -88.7171°W Updated 8 min ago
FLOW RATE
9,470cfs
GAUGE HT
12.65ft
AIR TEMP
67°F
WIND
3mph N
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
9,470cfs 23.1% vs avg
Optimal band: 9,010–12,190 cfs
PERIOD HIGH
12,900cfs
PERIOD LOW
7,850cfs
RUNNABLE
63%
last 1 day in band

Gauge Height

12.65ft
Precipitation History
Your History · ILLINOIS RIVER AT MARSEILLES, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
65°
MON
93°
67°
TUE
87°
70°
WED
87°
72°
THU
88°
73°
FRI
87°
73°
SAT
79°
68°
TIME
SUN
8
NOW
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
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
TEMP
hourly forecast
74°
mild
74°
78°
81°
83°
85°
87°
87°
88°
88°
87°
86°
84°
80°
77°
75°
73°
72°
71°
70°
69°
69°
68°
67°
70°
74°
79°
83°
86°
89°
90°
92°
92°
93°
90°
88°
85°
78°
75°
74°
73°
73°
72°
72°
71°
71°
70°
70°
72°
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°
85°
81°
78°
77°
76°
75°
75°
74°
73°
73°
73°
73°
75°
78°
80°
82°
84°
86°
87°
88°
88°
87°
85°
83°
82°
80°
78°
76°
75°
74°
74°
WIND
mph · gust · dir
6mph ENE
G 12 mph
6
G12
ENE
6
G10
ENE
6
G10
ENE
7
G11
ENE
8
G11
NE
9
G13
NE
9
G13
NE
9
G12
ENE
9
G12
ENE
8
G11
NE
8
G11
NE
6
G9
NE
6
G9
NE
5
G9
NE
5
G10
ENE
4
G7
E
5
G6
ENE
4
G6
ENE
4
G6
E
3
ENE
2
N
4
NNW
2
E
1
G3
E
1
SSE
1
G4
WSW
1
G5
WNW
3
G7
N
4
G7
N
5
G11
NNE
5
G12
NE
7
G12
NE
6
G12
NE
5
G10
NNE
4
G9
SSW
3
W
3
NNW
2
N
1
NW
1
NNE
1
NNE
2
SSW
3
W
3
WNW
3
SW
3
WSW
4
WNW
5
G7
NW
5
G8
NNW
5
G7
N
5
G7
N
3
G4
N
3
G4
N
2
NNW
2
WNW
2
WNW
3
WNW
4
WNW
4
WNW
3
G4
WNW
3
W
4
WNW
4
WNW
4
WNW
4
WNW
4
WNW
4
W
4
WNW
5
WNW
4
WNW
4
G5
W
4
G6
WNW
5
G6
WNW
5
G6
WNW
5
G6
WNW
5
WNW
6
WNW
6
WNW
6
WNW
6
WNW
6
NW
5
NW
5
NW
4
G6
NW
4
WNW
4
W
5
W
5
W
5
W
5
W
4
W
4
W
5
W
4
WNW
4
WNW
4
G5
W
4
G5
WNW
4
G6
WNW
5
G6
W
5
G6
W
5
G6
WNW
5
G6
WNW
6
W
6
W
6
WSW
7
WSW
5
G7
W
5
W
5
WSW
5
G6
WSW
6
SW
6
WSW
6
WSW
6
WSW
PRECIP
chance %
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%
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%
5%
5%
5%
5%
5%
5%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
6%
6%
6%
6%
6%
6%
5%
5%
5%
5%
5%
5%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
11%
2%
56%
37%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
1%
0%
3%
4%
4%
6%
9%
7%
8%
6%
2%
2%
5%
1%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
0%
7%
8%
100%
100%
100%
100%
100%
100%
100%
24%
27%
7%
10%
11%
56%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
42%
6%
12%
0%
6%
96%
47%
8%
5%
0%
0%
6%
7%
7%
18%
9%
6%
70%
100%
39%
9%
100%
100%
11%
0%
0%
4%
18%
18%
20%
100%
100%
60%
48%
32%
19%
10%
10%
15%
21%
PRESSURE
hPa · trend
1004
100410051002100310051004100210031004100310011001100210009989991000999998
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:32 AM
SUNSET
08:28 PM
14H 56M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

41.3270, -88.7171
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 07:45 UTC
Site #05543500·USGS

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