Waterlands
Illinois River
USGS · 05559600
ILLINOIS RIVER
USGS · 05559600LIVE

ILLINOIS RIVER AT CHILLICOTHE, IL

MARSHALL COUNTY, IL40.9292°N, -89.4618°W
AIR TEMP
79°F
WIND
10mph S
FISH INDEX
75SCORE / 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 CHILLICOTHE, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
91°
72°
TUE
93°
74°
WED
91°
75°
THU
89°
75°
FRI
89°
73°
SAT
91°
72°
SUN
88°
70°
TIME
MON
1
NOW
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
6
am
7
am
TEMP
hourly forecast
89°
mild
89°
90°
90°
91°
90°
88°
86°
84°
82°
80°
79°
78°
78°
77°
76°
76°
75°
74°
77°
81°
84°
87°
89°
91°
93°
92°
93°
92°
91°
89°
87°
84°
81°
78°
77°
77°
77°
76°
76°
75°
75°
75°
77°
80°
83°
85°
87°
89°
90°
91°
91°
91°
90°
88°
86°
83°
80°
80°
81°
81°
80°
79°
78°
77°
76°
75°
77°
79°
81°
83°
85°
87°
89°
88°
89°
89°
88°
86°
85°
82°
79°
78°
78°
77°
77°
76°
75°
74°
73°
73°
75°
78°
81°
84°
86°
87°
88°
89°
89°
88°
86°
85°
84°
82°
79°
78°
77°
76°
74°
73°
73°
72°
73°
73°
75°
WIND
mph · gust · dir
13mph S
G 19 mph
13
G19
S
13
G21
S
13
G22
S
14
G24
S
13
G24
S
11
G24
S
9
G24
S
7
G14
S
6
G15
SSE
5
G15
S
6
G16
S
6
G15
S
7
G17
SSW
6
G15
SSW
7
G16
SSW
7
G15
SSW
6
G14
SSW
5
G14
SSW
8
G23
SSW
9
G23
SSW
10
G22
SW
11
G23
SW
12
G22
SW
12
G20
SW
12
G20
SSW
14
G22
S
14
G23
SSW
14
G24
SSW
14
G27
SSW
13
G28
SSW
9
G20
SSW
5
G14
SSW
4
G10
SSW
5
G10
S
6
G14
SSW
6
G16
SSW
7
G17
SW
7
G15
SW
7
G14
SW
7
G18
SSW
6
G16
SSW
7
G14
SSW
6
G16
SSW
8
G16
SSW
9
G14
SSW
9
G15
SSW
10
G17
SSW
11
G18
SSW
12
G19
SW
12
G19
SW
12
G20
SSW
12
G21
SSW
13
G21
SSW
13
G21
SSW
10
G20
SSW
7
G21
S
8
G24
S
9
G28
S
10
G31
S
10
G32
SSW
10
G31
S
9
G26
SSW
8
G24
SSW
9
G26
SSW
8
G25
SSW
7
G28
SSW
8
G25
SSW
9
G22
SW
10
G16
SW
11
G14
SW
11
G12
SSW
11
SSW
11
SSW
11
G13
SSW
11
G12
SW
9
SW
8
G10
SSW
8
G14
SW
6
G17
SSW
6
G23
SSW
6
G17
S
8
G15
S
8
G9
S
9
G12
S
8
G18
S
8
G11
S
7
G8
SSW
7
G16
SSW
7
G15
SSW
7
G16
SSW
8
G18
S
10
G18
SSW
11
G16
SSW
12
G17
SSW
13
G17
SSW
13
G16
SW
12
G14
SW
12
G14
SW
11
G13
SW
10
G13
SW
9
G13
WSW
7
G15
SW
7
G17
SSW
5
G20
SW
7
G24
SSW
8
G26
SSW
8
G23
SSW
9
G18
SSW
7
G13
SSW
7
G10
SSW
7
SSW
6
SSW
6
SSW
5
G8
SSW
5
G10
SSW
PRECIP
chance %
1%
1%
0%
0%
0%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
1%
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%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
15%
15%
15%
15%
15%
15%
14%
14%
14%
14%
14%
14%
6%
6%
6%
6%
6%
6%
22%
22%
22%
22%
22%
22%
27%
27%
27%
27%
27%
27%
22%
22%
22%
22%
22%
22%
13%
13%
13%
13%
13%
13%
26%
26%
26%
26%
26%
26%
CLOUDS
cover %
7%
clear
7%
7%
100%
100%
100%
100%
100%
100%
100%
0%
71%
92%
22%
77%
100%
100%
100%
100%
90%
100%
83%
0%
0%
0%
0%
0%
68%
7%
3%
66%
34%
71%
0%
0%
68%
50%
22%
0%
0%
0%
0%
0%
0%
0%
5%
12%
0%
0%
6%
6%
6%
7%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
7%
6%
58%
100%
82%
61%
100%
100%
100%
29%
0%
100%
100%
100%
100%
87%
100%
11%
0%
64%
100%
69%
17%
86%
14%
14%
13%
16%
13%
100%
100%
94%
18%
89%
100%
100%
100%
100%
100%
100%
100%
89%
13%
100%
13%
6%
5%
5%
5%
3%
1%
0%
PRESSURE
hPa · trend
996
99699599699899899799810001000998999100110011000100110011001999999999
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:29 AM
SUNSET
08:33 PM
15H 4M OF DAYLIGHT7H 19M REMAINING
MOON PHASE
Full Moon
100% illuminated
PEAK ACTIVITY

Station Location

40.9292, -89.4618
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-29 13:14 UTC
Site #05559600·USGS

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