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

ILLINOIS RIVER AT MARSEILLES, IL

MARSEILLES, IL41.3270°N, -88.7171°W Updated 43 min ago
FLOW RATE
10,300cfs
GAUGE HT
12.84ft
AIR TEMP
88°F
WIND
7mph NNE
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
10,300cfs 16.3% vs avg
Optimal band: 8,755–11,845 cfs
PERIOD HIGH
12,900cfs
PERIOD LOW
7,850cfs
RUNNABLE
78%
last 1 day in band

Gauge Height

12.84ft
Precipitation History
Your History · ILLINOIS RIVER AT MARSEILLES, IL

Track your history

Sign in to track your sessions at ILLINOIS RIVER AT MARSEILLES, IL — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
88°
65°
MON
92°
67°
TUE
89°
71°
WED
87°
72°
THU
86°
70°
FRI
80°
64°
SAT
86°
66°
TIME
SUN
8
NOW
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
10
am
11
am
12
pm
1
pm
2
pm
TEMP
hourly forecast
80°
mild
80°
77°
75°
73°
72°
71°
70°
70°
69°
68°
67°
70°
74°
78°
82°
85°
88°
89°
90°
91°
92°
92°
91°
90°
87°
83°
81°
79°
77°
76°
75°
74°
73°
72°
71°
74°
78°
83°
87°
89°
89°
88°
86°
87°
87°
87°
87°
85°
81°
78°
77°
76°
75°
75°
74°
73°
73°
72°
72°
74°
77°
79°
81°
83°
85°
86°
86°
87°
87°
86°
86°
84°
80°
78°
76°
75°
75°
74°
73°
72°
72°
72°
72°
74°
77°
80°
81°
83°
85°
86°
86°
86°
86°
86°
84°
82°
78°
75°
72°
70°
68°
67°
66°
66°
65°
65°
64°
66°
68°
71°
73°
75°
77°
78°
79°
WIND
mph · gust · dir
6mph E
G 10 mph
6
G10
E
5
G9
E
5
G10
ENE
4
G7
E
2
G5
ESE
3
G5
E
3
G4
ENE
3
G4
E
2
G3
ENE
1
G3
ESE
3
NNW
2
NNW
1
G2
WSW
3
G5
W
3
G8
WNW
5
G7
NW
4
G7
NNW
5
G7
NNW
3
G7
N
3
G6
N
4
G8
NNW
6
G8
NNW
5
G8
N
3
G8
N
2
G3
NE
2
E
1
G2
S
3
G4
SW
2
G7
SSW
0
G9
W
3
G9
NW
3
G7
WNW
2
G8
W
3
G8
WNW
3
G7
W
3
G7
WSW
4
G9
W
2
G3
WSW
1
G3
W
2
WNW
3
G5
WNW
3
G4
WNW
4
NW
4
NW
4
WNW
4
NW
4
NW
4
WNW
4
NW
4
NW
4
NW
4
NW
4
WNW
4
WNW
5
W
5
W
5
WNW
5
WNW
5
WNW
4
G7
NW
5
G6
WNW
6
G7
NW
6
G8
NW
6
G7
NW
5
G6
WNW
6
WNW
6
WNW
6
G7
NW
6
WNW
6
WNW
5
G6
WNW
5
G7
WNW
6
WNW
5
WNW
5
WNW
6
W
6
WNW
6
WNW
6
G7
WNW
6
G7
WNW
6
G7
WNW
7
G8
W
6
G9
WNW
6
G12
NW
6
G10
NW
6
G9
NW
7
G9
NW
7
G8
NNW
6
G7
N
6
N
6
N
7
N
7
N
7
N
7
G11
N
4
G7
N
6
N
9
G17
NE
9
G21
ENE
8
G17
ENE
8
G19
ENE
7
G14
ENE
7
G11
ENE
7
G14
ENE
7
G11
ENE
6
G9
ENE
6
G9
ENE
6
G13
E
7
G13
E
7
G12
E
8
G11
E
8
G11
E
8
G10
E
7
G9
E
7
G8
ESE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
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%
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%
4%
4%
4%
4%
10%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
6%
68%
28%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
14%
44%
30%
5%
5%
6%
5%
5%
9%
10%
10%
0%
0%
5%
10%
11%
14%
65%
42%
11%
12%
100%
100%
100%
100%
69%
13%
0%
5%
100%
99%
11%
98%
100%
100%
18%
20%
100%
0%
45%
42%
100%
100%
100%
77%
76%
100%
53%
100%
100%
100%
100%
90%
6%
5%
5%
6%
5%
5%
0%
0%
0%
0%
0%
6%
76%
92%
16%
78%
78%
78%
73%
57%
36%
26%
39%
PRESSURE
hPa · trend
1002
1002100310051003100210021003100310011001100110009989981000999999100210041003
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
4% illuminated

Station Location

41.3270, -88.7171
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 19:45 UTC
Site #05543500·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free