Waterlands
Nb Chicago River
USGS · 05536118
NB CHICAGO RIVER
USGS · 05536118LIVE

NB CHICAGO RIVER AT GRAND AVENUE AT CHICAGO, IL

ILLINOIS41.8923°N, -87.6424°W
AIR TEMP
72°F
WIND
6mph SSW
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.0in

≈ normal

21.97 in of precipitation so far this year — about average for this point in the season (normal 19.36 in).

YTD Total

22.0in

This year so far

Normal to Date

19.4in

30-yr average

Typical Range

13.4–25.0in

10th–90th pct YTD

Departure

+14%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 2.00" · normal 2.28" (1.2–3.8)
Jan
Feb: 0.66" · normal 2.09" (0.8–3.7)
Feb
Mar: 3.73" · normal 2.62" (1.5–4.3)
Mar
Apr: 6.45" · normal 4.08" (2.4–6.3)
Apr
May: 1.32" · normal 4.24" (1.7–6.3)
May
Jun: 7.15" · normal 3.80" (1.5–6.1)
Jun
Jul: 0.66" (so far)· normal 3.63" (2.0–5.3)
Jul
Aug: normal 3.75" (1.8–5.5)
Aug
Sep: normal 3.05" (1.2–5.5)
Sep
Oct: normal 3.38" (1.6–6.5)
Oct
Nov: normal 2.66" (1.4–4.3)
Nov
Dec: normal 2.30" (1.1–3.9)
Dec
Baseline 1991–2020 · Source: Open-Meteo07:14 AM
Your History · NB CHICAGO RIVER AT GRAND AVENUE AT CHICAGO, IL

Track your history

Sign in to track your sessions at NB CHICAGO RIVER AT GRAND AVENUE AT CHICAGO, IL — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
80°
71°
SAT
81°
68°
SUN
86°
73°
MON
77°
68°
TUE
77°
66°
WED
88°
69°
THU
89°
75°
TIME
FRI
10
NOW
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
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
TEMP
hourly forecast
77°
mild
77°
78°
80°
77°
77°
77°
71°
71°
75°
75°
72°
74°
73°
74°
72°
71°
72°
72°
72°
70°
69°
71°
72°
74°
76°
77°
79°
80°
81°
78°
76°
71°
71°
71°
69°
68°
68°
71°
73°
74°
75°
74°
74°
73°
74°
75°
76°
77°
80°
80°
84°
85°
83°
84°
86°
85°
83°
81°
79°
77°
76°
75°
74°
73°
72°
71°
70°
69°
68°
69°
70°
72°
74°
76°
77°
77°
76°
77°
76°
76°
74°
72°
71°
70°
69°
69°
68°
67°
67°
67°
66°
66°
66°
68°
70°
72°
74°
74°
75°
76°
77°
77°
76°
76°
75°
74°
72°
71°
70°
70°
70°
70°
69°
69°
WIND
mph · gust · dir
3mph NE
G 7 mph
3
G7
NE
4
G9
E
3
G9
ENE
7
G8
E
7
G8
E
7
G10
E
16
G26
N
6
E
5
SE
4
G6
SE
5
G9
SSE
1
G4
N
6
G10
WSW
8
G11
NW
13
G17
SW
7
G13
SW
5
G15
W
7
G15
WSW
3
G8
WNW
6
G7
N
5
G7
ESE
7
G11
NW
4
G11
NE
6
G7
ESE
6
G8
SSE
9
G12
SE
8
G13
SE
6
G13
SE
3
G11
E
4
G13
E
6
G9
NNE
11
G25
N
10
G17
NE
19
G37
NNW
3
G6
NNE
5
G9
ESE
5
G7
W
6
G14
WNW
6
G15
W
7
G20
WSW
7
G20
SW
6
G14
SW
6
G13
WSW
5
G11
WSW
5
G13
WSW
5
G15
W
7
G16
WNW
7
G12
W
8
G13
WNW
9
G17
W
4
G9
W
6
G9
WNW
7
G10
W
6
G10
W
6
G10
W
9
G11
WNW
8
G11
WNW
8
G11
WNW
7
G13
WNW
6
G15
WNW
3
G9
W
5
G9
W
5
G11
WNW
5
G11
NW
4
G11
NNW
4
G9
NW
5
G10
NW
5
G11
NW
5
G11
WNW
7
G12
NW
8
G13
NW
7
G12
NW
6
G10
NNW
7
G10
N
8
G10
NNE
10
NE
11
NE
11
NNE
11
NNE
10
G11
NNE
8
G10
N
7
G9
NNE
6
G9
NNE
7
G9
NNE
7
G10
N
6
G11
N
5
G14
NNE
6
G15
N
6
G16
N
5
G12
N
5
G13
NNW
5
G13
NW
5
G14
NNW
7
G15
NNW
9
G14
N
9
G13
N
10
G13
NNE
10
G11
NNE
9
NNE
9
NE
9
NE
9
NE
8
NE
7
G8
NE
6
G7
NE
5
G6
ENE
4
G5
ENE
3
G4
E
3
G4
SE
3
SE
3
SE
2
SE
2
S
3
SSW
PRECIP
chance %
13%
13%
8%
7%
6%
22%
25%
11%
18%
24%
24%
26%
22%
20%
8%
7%
13%
12%
16%
12%
14%
14%
15%
15%
28%
12%
13%
14%
14%
9%
11%
61%
61%
61%
61%
47%
47%
47%
47%
47%
47%
41%
41%
41%
41%
41%
41%
32%
32%
32%
32%
32%
32%
19%
19%
19%
19%
19%
19%
8%
8%
8%
8%
8%
8%
10%
10%
10%
10%
10%
10%
6%
6%
6%
6%
6%
6%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
8%
9%
9%
9%
9%
9%
9%
8%
8%
8%
8%
8%
8%
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
3%
3%
3%
3%
CLOUDS
cover %
14%
few
14%
15%
10%
2%
7%
4%
100%
100%
82%
100%
41%
100%
100%
100%
89%
100%
100%
83%
100%
100%
51%
100%
100%
24%
100%
56%
4%
13%
100%
97%
100%
100%
60%
100%
100%
4%
5%
45%
88%
29%
5%
100%
100%
25%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
92%
17%
22%
96%
100%
19%
86%
5%
0%
0%
0%
0%
0%
0%
0%
3%
10%
0%
0%
0%
0%
38%
63%
42%
44%
61%
86%
100%
100%
100%
100%
100%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
32%
22%
8%
8%
12%
100%
100%
98%
6%
0%
0%
2%
1%
0%
0%
0%
0%
PRESSURE
hPa · trend
997
997996994995995992991990992991992992993992994995996996995
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:20 AM
SUNSET
08:29 PM
15H 9M OF DAYLIGHT10H 45M REMAINING
MOON PHASE
Waning Gibbous
88% illuminated

Station Location

41.8923, -87.6424
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-03 09:44 UTC
Site #05536118·USGS

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

Sign up free