Waterlands
Iowa River
USGS · 05451500
IOWA RIVER
USGS · 05451500LIVE

Iowa River at Marshalltown, IA

IOWA42.0658°N, -92.9077°W Updated 14 hr ago
FLOW RATE
2,430cfs
GAUGE HT
12.92ft
AIR TEMP
78°F
WIND
3mph ESE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
2,430cfs 46.4% vs avg
Optimal band: 2,245–3,037 cfs
PERIOD HIGH
8,565cfs
PERIOD LOW
1,154cfs
RUNNABLE
19%
last 30 day in band

Gauge Height

12.92ft
Precipitation History
Your History · Iowa River at Marshalltown, IA

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
62°
MON
91°
66°
TUE
86°
68°
WED
86°
68°
THU
87°
69°
FRI
83°
70°
SAT
89°
71°
TIME
SUN
3
NOW
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
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
TEMP
hourly forecast
87°
mild
87°
88°
88°
87°
85°
81°
77°
75°
73°
72°
70°
69°
68°
67°
66°
66°
67°
72°
78°
83°
85°
87°
88°
89°
90°
91°
91°
91°
89°
85°
81°
79°
77°
76°
74°
73°
72°
71°
69°
68°
69°
72°
75°
78°
80°
82°
84°
85°
86°
86°
86°
86°
85°
80°
76°
74°
73°
72°
71°
70°
70°
69°
69°
68°
70°
74°
77°
79°
81°
83°
84°
85°
86°
86°
86°
86°
85°
81°
77°
75°
74°
73°
72°
71°
71°
71°
70°
69°
72°
75°
77°
80°
82°
84°
86°
86°
87°
87°
86°
84°
82°
79°
76°
76°
75°
74°
74°
73°
72°
71°
71°
70°
70°
73°
WIND
mph · gust · dir
2mph NE
G 6 mph
2
G6
NE
5
G7
ENE
6
G7
ENE
5
G7
ENE
5
G7
ENE
4
G8
NE
4
G10
ENE
4
G8
ENE
3
G7
E
4
G7
E
3
G7
SE
1
G4
SSW
1
G3
NW
1
G3
NNW
1
G2
NNE
1
G3
E
1
G3
SE
0
G2
SW
2
G8
WSW
5
G7
W
5
G6
WSW
4
G7
WSW
4
G6
SW
4
G5
SSW
3
G4
SSW
2
G3
WSW
1
G3
SSE
1
G4
E
3
G5
N
3
G5
N
4
G6
NNE
4
G5
NE
5
G7
E
4
G7
E
4
G7
ESE
3
G5
E
3
G4
ESE
4
G5
SSE
3
G4
SSE
2
G3
WSW
3
WSW
3
G5
WSW
4
G5
WSW
4
WSW
4
SW
3
SW
3
SW
3
G4
SSW
3
G4
SSW
3
SW
2
G3
SW
3
SSW
3
G5
SW
3
G4
SW
4
SW
4
SW
4
SW
4
G5
SW
5
WSW
5
WSW
5
WSW
5
WSW
5
W
5
W
4
G5
WNW
4
G5
WNW
5
G6
W
5
WNW
5
WNW
5
NW
4
WNW
4
WNW
3
WNW
3
WNW
3
WNW
3
WNW
2
G3
NW
1
W
2
SW
2
SSW
1
SSW
4
SW
5
SW
4
WSW
4
W
4
G5
W
5
W
5
NW
4
NW
4
G6
NNW
5
G7
NNW
5
G7
N
3
G5
N
2
NW
3
NW
3
N
3
NNE
3
NE
5
ENE
6
ENE
5
G10
ENE
6
G9
E
5
G8
E
6
ESE
5
G6
ESE
5
G6
ESE
6
G7
SE
6
G8
ESE
7
G9
ESE
7
G10
ESE
7
G11
ESE
6
G13
ESE
6
G13
ESE
7
G13
SE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
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%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
4%
CLOUDS
cover %
1%
clear
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
6%
9%
11%
12%
17%
11%
10%
10%
9%
10%
8%
5%
0%
0%
10%
5%
0%
7%
5%
0%
7%
0%
0%
0%
5%
5%
63%
12%
0%
0%
0%
0%
5%
7%
0%
0%
5%
33%
11%
16%
12%
12%
8%
8%
71%
100%
64%
17%
5%
1%
7%
64%
50%
6%
17%
17%
72%
100%
75%
100%
100%
100%
100%
100%
100%
100%
72%
100%
74%
39%
14%
8%
13%
20%
28%
PRESSURE
hPa · trend
990
990990990992992990989992991989989990987986987988987987988
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:47 AM
SUNSET
08:47 PM
15H 0M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

42.0658, -92.9077
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #05451500·USGS

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