Waterlands
Illinois River
USGS · 05558300
ILLINOIS RIVER
USGS · 05558300LIVE

ILLINOIS RIVER AT HENRY, IL

HENRY, IL41.1073°N, -89.3562°W Updated 1 hr ago
FLOW RATE
26,300cfs
GAUGE HT
22.77ft
WATER TEMP
23°F
AIR TEMP
76°F
WIND
8mph SSE
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
26,300cfs 43.4% vs avg
Optimal band: 24,650–33,350 cfs
PERIOD HIGH
32,700cfs
PERIOD LOW
25,200cfs
RUNNABLE
100%
last 1 day in band

Gauge Height

22.77ft

Water Temperature

23.1°F
Precipitation History
Your History · ILLINOIS RIVER AT HENRY, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
94°
75°
TUE
97°
76°
WED
91°
74°
THU
88°
75°
FRI
89°
73°
SAT
91°
73°
SUN
88°
70°
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
90°
mild
90°
92°
93°
93°
94°
93°
93°
90°
87°
84°
83°
82°
80°
79°
79°
78°
77°
76°
76°
78°
81°
85°
88°
91°
93°
95°
97°
96°
96°
96°
95°
93°
88°
84°
82°
79°
78°
77°
76°
75°
75°
74°
75°
77°
80°
82°
85°
87°
89°
90°
91°
91°
91°
89°
87°
85°
82°
80°
79°
80°
81°
79°
79°
78°
76°
75°
75°
77°
79°
81°
83°
85°
87°
88°
88°
88°
88°
88°
86°
84°
81°
79°
78°
78°
78°
77°
76°
75°
73°
73°
73°
75°
78°
80°
84°
85°
87°
87°
88°
89°
88°
87°
85°
84°
81°
79°
78°
77°
76°
74°
73°
73°
73°
73°
WIND
mph · gust · dir
13mph SSW
G 18 mph
13
G18
SSW
14
G20
S
15
G22
S
15
G22
S
15
G23
S
15
G23
S
14
G24
S
12
G26
S
8
G13
SSE
9
G17
S
10
G18
S
10
G19
S
9
G17
S
9
G17
SSW
9
G17
SSW
9
G17
SSW
9
G17
SSW
9
G17
SSW
8
G16
SSW
10
G25
SSW
12
G26
SW
13
G26
SW
14
G26
SW
14
G24
SW
14
G22
SW
15
G21
SSW
15
G22
SSW
17
G24
SSW
17
G25
SSW
17
G27
SSW
16
G28
SSW
12
G24
SSW
8
G15
SSW
6
G14
SSW
6
G13
SSW
6
G15
SSW
7
G17
SSW
7
G18
SW
7
G15
SW
7
G11
SW
8
G15
SSW
7
G13
SSW
7
G12
SSW
6
G15
SSW
8
G15
SSW
9
G13
SSW
9
G15
SSW
10
G17
SSW
11
G18
SW
12
G18
SW
12
G18
SW
12
G19
SSW
11
G20
SSW
13
G21
SSW
13
G22
SSW
11
G20
SSW
8
G20
S
8
G25
S
8
G28
S
10
G31
S
11
G33
S
9
G33
SSW
9
G30
SSW
9
G26
SSW
9
G27
SSW
7
G24
SSW
7
G26
SSW
8
G26
SSW
9
G22
SW
11
G16
SW
11
G15
SW
11
G12
SSW
11
SSW
10
G11
SW
11
G12
SW
11
G12
SW
9
SW
8
G10
SSW
7
G15
SSW
7
G18
SSW
7
G23
SSW
7
G17
SSW
8
G15
S
8
G9
S
9
G10
S
8
G18
S
8
G14
S
7
G11
SSW
7
G17
SSW
7
G16
SSW
7
G17
SSW
8
G19
SSW
9
G19
SSW
10
G17
SSW
12
G17
SSW
13
G17
SSW
13
G15
SW
12
G14
SW
11
G14
SW
11
G14
SW
10
G13
WSW
8
G13
SW
8
G14
SW
7
G17
SSW
6
G20
SW
7
G23
SSW
8
G24
SSW
8
G23
SSW
10
G19
SSW
8
G16
SSW
8
G13
SSW
7
G10
SSW
7
G8
SSW
6
G8
SSW
PRECIP
chance %
1%
1%
1%
1%
0%
1%
0%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
2%
3%
3%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
13%
13%
13%
13%
13%
13%
13%
13%
13%
13%
13%
13%
5%
5%
5%
5%
5%
5%
31%
31%
31%
31%
31%
31%
31%
31%
31%
31%
31%
31%
34%
34%
34%
34%
34%
34%
24%
24%
24%
24%
24%
24%
27%
27%
27%
27%
CLOUDS
cover %
2%
clear
2%
17%
5%
98%
100%
100%
100%
100%
100%
53%
0%
0%
54%
30%
37%
100%
100%
100%
100%
97%
98%
95%
17%
4%
0%
0%
0%
89%
3%
0%
63%
100%
1%
0%
0%
68%
0%
4%
0%
0%
0%
0%
0%
0%
0%
7%
7%
0%
0%
6%
6%
6%
8%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
6%
7%
6%
89%
100%
100%
72%
100%
100%
100%
60%
0%
80%
100%
100%
100%
100%
99%
11%
7%
100%
100%
71%
28%
78%
14%
30%
11%
17%
13%
100%
93%
90%
19%
18%
97%
100%
100%
100%
100%
100%
100%
77%
13%
100%
15%
5%
4%
4%
4%
3%
PRESSURE
hPa · trend
996
996995995996997996997999100099899999910001000100110011001999999
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
08:33 PM
15H 6M OF DAYLIGHT8H 42M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY

Station Location

41.1073, -89.3562
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 11:51 UTC
Site #05558300·USGS

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