Waterlands
Grand River
USGS · 04116000
GRAND RIVER
USGS · 04116000LIVE

GRAND RIVER AT IONIA, MI

MICHIGAN42.9720°N, -85.0692°W Updated 16 hr ago
FLOW RATE
1,183cfs
GAUGE HT
9.14ft
AIR TEMP
83°F
WIND
5mph NE
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
1,183cfs 26.8% vs avg
Optimal band: 1,004–1,358 cfs
PERIOD HIGH
17,728cfs
PERIOD LOW
321cfs
RUNNABLE
12%
last 1 year in band

Gauge Height

9.14ft
Precipitation History
Your History · GRAND RIVER AT IONIA, MI

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
59°
MON
96°
63°
TUE
96°
70°
WED
93°
70°
THU
89°
62°
FRI
79°
54°
SAT
69°
60°
TIME
SUN
5
NOW
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
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
TEMP
hourly forecast
88°
mild
88°
88°
87°
85°
80°
76°
74°
72°
70°
69°
67°
66°
65°
63°
64°
71°
77°
84°
87°
90°
93°
95°
96°
96°
96°
95°
93°
91°
87°
83°
80°
78°
76°
74°
73°
72°
72°
70°
70°
73°
77°
82°
86°
90°
92°
94°
96°
95°
94°
91°
87°
83°
77°
74°
73°
73°
71°
71°
70°
71°
71°
70°
71°
74°
78°
82°
85°
88°
90°
92°
93°
92°
91°
91°
88°
83°
76°
73°
71°
74°
74°
73°
72°
72°
70°
66°
68°
68°
73°
76°
80°
83°
86°
87°
88°
89°
89°
85°
80°
75°
70°
67°
62°
60°
58°
57°
56°
54°
54°
55°
56°
59°
63°
68°
72°
WIND
mph · gust · dir
6mph NE
G 9 mph
6
G9
NE
6
G9
ENE
6
G8
E
5
G6
ESE
3
G5
E
5
G6
ESE
3
G5
SSE
5
W
4
SW
4
G6
WSW
4
G6
SW
5
G8
WSW
3
G6
WSW
3
G8
WSW
4
G6
SW
4
G6
WSW
6
G14
WSW
6
G12
W
6
G9
W
6
G8
WSW
5
G6
WSW
5
G8
WSW
8
G10
W
10
G16
W
11
G16
W
12
G15
W
11
G14
W
9
G14
W
6
G11
W
5
G11
WSW
4
G10
WSW
5
G11
SW
5
G11
WSW
5
G12
WSW
5
G12
WSW
5
G12
WSW
6
G13
WSW
6
G14
WSW
7
G16
WSW
8
G19
WSW
10
G18
W
10
G15
W
10
G13
W
9
G11
W
9
G11
W
9
G11
W
10
W
12
W
13
W
13
G16
W
14
G21
W
12
G23
WSW
9
G21
WSW
9
G20
WSW
8
G20
WSW
9
G22
WSW
9
G22
W
9
G23
WSW
8
G22
WSW
8
G20
WSW
8
G18
W
7
G16
W
7
G15
W
7
G15
WNW
8
G13
WNW
9
G11
WNW
9
G11
W
10
G11
W
10
G11
W
11
G13
WNW
14
G16
W
16
G17
W
16
G19
W
17
G20
W
13
G23
WNW
15
G23
NNE
7
G13
NNE
5
NE
6
NNE
7
G12
NNW
7
G15
N
5
G10
N
6
G10
N
7
G14
N
7
G13
N
6
G9
NNW
5
G7
NNW
5
G8
NNW
6
G9
NNW
7
G11
N
6
G10
NNW
8
G11
WNW
9
G15
NW
11
G17
NNW
13
G18
NNW
13
G17
NNW
13
G17
N
16
G19
NNE
16
G25
NNE
15
G29
N
13
G29
N
11
G26
N
8
G17
NNE
8
G11
NE
7
G9
NNE
7
G8
NNE
7
NE
7
NE
7
NE
6
G7
NE
6
G9
NE
6
G9
ENE
6
G9
ENE
7
G9
ENE
8
ENE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
0%
0%
0%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
2%
2%
0%
0%
0%
0%
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%
0%
0%
0%
0%
0%
0%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
8%
8%
8%
8%
8%
8%
9%
9%
9%
9%
9%
9%
13%
13%
13%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
0%
84%
100%
100%
88%
37%
100%
69%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
26%
52%
75%
100%
25%
6%
7%
30%
100%
100%
100%
100%
9%
34%
44%
7%
6%
100%
100%
100%
100%
100%
100%
5%
5%
5%
8%
100%
100%
74%
100%
100%
17%
19%
12%
61%
7%
100%
86%
40%
17%
21%
100%
100%
100%
100%
100%
100%
77%
100%
14%
6%
100%
92%
12%
10%
100%
100%
100%
11%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
4%
6%
7%
PRESSURE
hPa · trend
999
99999899810009979969969989959959949949919939939949939979981001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
06:12 AM
SUNSET
09:19 PM
15H 7M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

42.9720, -85.0692
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #04116000·USGS

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