Waterlands
Big Marsh River
USGS · 414121087342002
BIG MARSH RIVER
USGS · 414121087342002LIVE

BIG MARSH AT INDIAN CREEK AT SOUTH DEERING, IL

CHICAGO, IL41.6933°N, -87.5742°W
AIR TEMP
59°F
WIND
4mph SE
FISH INDEX
88SCORE / 100
EPIC · 5 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
cfs
No flow data available
Precipitation History
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
77°
56°
THU
76°
61°
FRI
68°
62°
SAT
76°
62°
SUN
87°
68°
MON
95°
76°
TUE
96°
78°
TIME
WED
1
NOW
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
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
SUN
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
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
TEMP
hourly forecast
70°
mild
70°
76°
76°
76°
77°
77°
64°
64°
64°
63°
64°
63°
62°
61°
61°
61°
61°
61°
63°
66°
70°
73°
75°
76°
75°
76°
73°
72°
72°
71°
70°
68°
65°
64°
64°
63°
62°
62°
62°
62°
62°
62°
63°
62°
62°
65°
67°
68°
64°
63°
64°
64°
64°
63°
63°
63°
62°
62°
62°
62°
62°
63°
64°
63°
64°
64°
64°
66°
69°
71°
72°
72°
74°
76°
76°
74°
74°
73°
72°
70°
69°
69°
70°
69°
69°
69°
68°
69°
68°
69°
70°
71°
72°
77°
79°
81°
82°
81°
85°
86°
86°
87°
86°
83°
81°
80°
79°
79°
78°
77°
77°
76°
76°
77°
WIND
mph · gust · dir
5mph SSW
G 16 mph
5
G16
SSW
8
G16
SW
8
G17
SSW
8
G18
SSW
12
G22
SW
14
G24
SW
12
G21
NNE
6
G9
ENE
2
G5
E
2
G7
S
2
G7
S
3
G10
SSE
3
G13
S
5
G10
SSW
2
G7
SSW
3
G8
SSW
1
G4
SW
3
G6
WSW
5
G14
WNW
5
G9
WSW
6
G11
W
4
G8
WSW
5
G10
WNW
6
G11
WNW
5
G11
NW
5
G12
NW
9
G13
NE
6
G11
ENE
7
G9
ENE
6
G7
ENE
5
G8
ENE
4
G8
ENE
3
G10
E
3
G7
ENE
4
G10
E
4
G11
E
4
G13
ENE
5
G16
NE
7
G15
NE
6
G15
NE
7
G15
NE
7
G15
NE
8
G14
NE
9
G13
ENE
9
G15
ENE
9
G15
ENE
9
G13
ENE
10
G12
NE
9
G11
NE
8
G10
NE
8
G10
NNE
7
G9
NNE
7
G11
NE
7
G11
NE
7
G12
NE
7
G13
NE
6
G13
NE
7
G12
NE
7
G10
NE
5
G10
NE
4
G8
NE
5
G7
ENE
5
G7
E
5
G6
ENE
5
G7
ENE
5
ENE
5
ENE
6
ENE
8
ENE
8
E
8
G9
E
8
G10
E
8
G11
E
8
G13
ENE
9
G13
ENE
9
G13
NE
8
G13
NE
8
G13
NE
7
G13
NE
5
G16
NE
4
G15
ENE
4
G11
ENE
4
G9
SE
4
G13
SE
4
G14
ESE
5
G14
E
3
G17
SE
4
G17
ESE
3
G15
SE
4
G16
SE
5
G15
SE
5
G13
SE
6
G14
SE
7
G12
SE
7
G12
ESE
7
G12
ESE
7
G13
SE
8
G14
SE
7
G14
SSE
8
G13
SSE
8
G13
SSE
8
G14
S
7
G16
SSE
7
G17
SSE
7
G17
SSE
6
G18
SSE
5
G17
SSE
5
G16
S
5
G16
SSE
5
G15
S
5
G15
S
5
G15
S
6
G16
SSW
6
G17
SSW
PRECIP
chance %
18%
18%
18%
14%
22%
27%
27%
32%
42%
32%
25%
18%
11%
12%
5%
3%
1%
2%
1%
1%
1%
4%
3%
5%
4%
9%
8%
4%
4%
2%
2%
14%
1%
1%
1%
1%
1%
1%
25%
25%
25%
25%
25%
25%
30%
30%
30%
30%
30%
30%
34%
34%
34%
34%
34%
34%
17%
17%
17%
17%
17%
17%
14%
14%
14%
14%
14%
14%
3%
3%
3%
3%
3%
3%
4%
4%
4%
4%
4%
4%
6%
6%
6%
6%
6%
6%
15%
15%
15%
15%
15%
15%
10%
10%
10%
10%
10%
10%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
9%
9%
9%
9%
9%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
69%
71%
42%
100%
92%
81%
88%
100%
100%
100%
100%
57%
74%
100%
100%
100%
4%
93%
7%
90%
80%
100%
46%
100%
100%
90%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
73%
61%
100%
21%
64%
100%
100%
76%
100%
100%
100%
100%
41%
76%
100%
100%
75%
64%
81%
100%
88%
62%
54%
86%
100%
22%
18%
37%
23%
100%
100%
100%
75%
100%
84%
100%
100%
100%
98%
100%
93%
98%
75%
78%
78%
40%
0%
0%
0%
6%
74%
100%
100%
79%
37%
6%
0%
0%
PRESSURE
hPa · trend
996
996993992993992993993994994994994995995993994995994993994
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
88
Temperature
Ideal
Wind
Calm
Pressure
Falling — Active
Moon Phase
Average
DAYLIGHT
SUNRISE
05:16 AM
SUNSET
08:28 PM
15H 12M OF DAYLIGHT7H 42M REMAINING
MOON PHASE
Waxing Gibbous
70% illuminated

Station Location

41.6933, -87.5742
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:46 UTC
Site #414121087342002·USGS

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