Waterlands
Illinois River
USGS · 05553700
ILLINOIS RIVER
USGS · 05553700LIVE

ILLINOIS RIVER AT STARVED ROCK, IL

LASALLE COUNTY, IL41.3248°N, -88.9840°W
AIR TEMP
77°F
WIND
8mph SSE
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Your History · ILLINOIS RIVER AT STARVED ROCK, IL

Track your history

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

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
93°
75°
TUE
96°
76°
WED
91°
74°
THU
89°
75°
FRI
87°
73°
SAT
90°
73°
SUN
88°
71°
TIME
MON
12
NOW
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
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
TEMP
hourly forecast
91°
mild
91°
92°
93°
93°
93°
93°
92°
90°
87°
85°
83°
82°
81°
81°
80°
79°
78°
77°
76°
80°
84°
86°
89°
91°
93°
95°
96°
96°
96°
95°
94°
92°
88°
84°
83°
80°
78°
77°
76°
75°
75°
74°
75°
77°
81°
83°
85°
88°
89°
90°
91°
91°
91°
90°
87°
85°
82°
80°
79°
79°
79°
79°
78°
77°
77°
75°
75°
77°
80°
82°
84°
85°
87°
87°
88°
89°
89°
87°
85°
83°
81°
79°
78°
77°
76°
76°
75°
75°
74°
73°
73°
75°
78°
81°
84°
85°
85°
86°
87°
87°
87°
87°
85°
83°
81°
79°
77°
77°
76°
75°
74°
73°
73°
73°
WIND
mph · gust · dir
13mph SSW
G 18 mph
13
G18
SSW
15
G20
S
15
G21
S
16
G22
S
16
G22
S
16
G24
S
15
G23
S
12
G23
S
10
G18
S
10
G18
S
11
G19
S
11
G20
S
11
G19
S
11
G20
SSW
11
G19
SSW
9
G17
SSW
8
G16
SSW
6
G15
SSW
5
G15
SSW
9
G24
SW
13
G26
SW
15
G29
SW
15
G24
SW
15
G22
SW
15
G22
SW
15
G20
SW
16
G22
SSW
17
G24
SSW
17
G25
SSW
17
G26
SSW
16
G27
SSW
14
G26
SSW
10
G17
SSW
8
G17
SSW
8
G18
SW
7
G18
SSW
7
G18
SSW
7
G19
SW
7
G17
SW
7
G17
SW
7
G16
SW
7
G17
SW
6
G11
SSW
6
G15
SSW
8
G15
SSW
10
G15
SSW
9
G15
SSW
10
G16
SSW
10
G17
SW
12
G19
SW
13
G19
SW
12
G19
SSW
11
G20
SSW
12
G21
SSW
14
G22
SSW
11
G22
SSW
8
G22
S
8
G25
S
8
G29
S
10
G31
S
10
G33
SSW
8
G34
SSW
8
G33
SSW
8
G28
SSW
8
G27
SSW
8
G25
SSW
7
G25
SSW
8
G28
SSW
9
G25
SW
10
G17
SW
11
G15
SW
12
SW
11
SSW
10
G11
SW
10
G13
SW
11
G13
SW
10
G11
SW
9
G12
SW
7
G13
SW
7
G18
S
8
G20
SSW
7
G21
SSW
8
G16
S
8
G13
S
8
G11
SSW
8
G15
SSW
7
G17
SSW
7
G13
SSW
6
G10
SSW
6
G13
SSW
7
G13
SSW
7
G16
SSW
9
G14
SSW
10
G14
SSW
10
G15
SSW
12
G16
SW
12
G15
SW
10
G14
SW
10
G14
SW
9
G13
SW
7
G13
SW
8
G13
SW
7
G15
SSW
6
G19
SSW
7
G21
SW
8
G23
SSW
7
G24
SSW
7
G24
SSW
8
G22
SSW
9
G20
SSW
9
G17
SSW
8
G13
SSW
7
G11
SSW
6
G11
SSW
PRECIP
chance %
1%
1%
1%
0%
0%
0%
0%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
4%
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%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
12%
12%
12%
12%
12%
12%
9%
9%
9%
9%
9%
9%
6%
6%
6%
6%
6%
6%
33%
33%
33%
33%
33%
33%
37%
37%
37%
37%
37%
37%
34%
34%
34%
34%
34%
34%
28%
28%
28%
28%
28%
28%
32%
32%
32%
32%
CLOUDS
cover %
10%
clear
10%
2%
2%
5%
100%
100%
100%
100%
100%
54%
1%
0%
100%
100%
86%
13%
100%
100%
100%
92%
87%
100%
100%
4%
74%
0%
0%
100%
0%
0%
3%
82%
1%
1%
0%
6%
42%
17%
0%
0%
0%
0%
0%
0%
0%
7%
61%
0%
5%
5%
10%
10%
64%
23%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
14%
0%
6%
5%
100%
100%
42%
100%
100%
100%
9%
65%
100%
100%
100%
100%
100%
18%
12%
87%
100%
100%
96%
23%
16%
5%
16%
21%
13%
94%
20%
19%
18%
100%
100%
100%
100%
100%
100%
100%
100%
100%
96%
78%
96%
5%
0%
0%
3%
3%
PRESSURE
hPa · trend
996
9969959959969979959979999999989989981000999100010011000998998
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:25 AM
SUNSET
08:33 PM
15H 8M OF DAYLIGHT8H 43M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY

Station Location

41.3248, -88.9840
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 11:50 UTC
Site #05553700·USGS

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

Sign up free