USGS · 05451500

IOWA RIVER

USGS · 05451500LIVE

Iowa River at Marshalltown, IA

MARSHALLTOWN, IA42.0658°N, -92.9077°W Updated 2 hr ago

FLOW RATE

2,276cfs

GAUGE HT

12.75ft

AIR TEMP

76°F

WIND

3mph SE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

2,276cfs 69.1% vs avg

Optimal band: 2,668–3,610 cfs

PERIOD HIGH

5,581cfs

PERIOD LOW

2,276cfs

RUNNABLE

25%

last 7 day in band

Gauge Height

12.75ft

Precipitation History

Your History · Iowa River at Marshalltown, IA

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Weather Conditions

WEATHER CONDITIONS

TODAY

85°

62°

MON

90°

66°

TUE

94°

69°

WED

86°

70°

THU

89°

70°

FRI

88°

72°

SAT

92°

71°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

68°

mild

68°

67°

66°

68°

72°

78°

81°

83°

85°

87°

88°

89°

90°

89°

86°

82°

79°

78°

76°

75°

73°

72°

71°

69°

71°

76°

82°

86°

88°

90°

91°

93°

94°

92°

89°

86°

80°

76°

75°

74°

73°

72°

71°

70°

72°

75°

77°

80°

81°

83°

84°

85°

86°

85°

81°

77°

76°

74°

73°

72°

71°

70°

73°

76°

79°

81°

84°

85°

87°

88°

89°

88°

86°

82°

78°

77°

76°

75°

74°

73°

72°

73°

76°

79°

81°

84°

85°

87°

88°

87°

86°

84°

82°

WIND

mph · gust · dir

3mph S

G 6 mph

NNE

G10

WSW

SSW

SSE

WNW

NNE

ENE

NNW

WNW

WSW

SSW

WSW

WNW

WSW

NNE

SSE

WSW

SSW

ESE

SSE

SSW

SSE

G12

SSE

G14

SSE

G11

G10

G11

G12

SSW

G12

SSW

G13

SSW

G12

SSW

G12

SSW

G12

SSW

G12

SSW

G14

SSW

G17

SSW

G19

SSW

G18

SSW

PRECIP

chance %

CLOUDS

cover %

clear

43%

24%

100%

50%

62%

85%

78%

76%

100%

79%

75%

34%

15%

14%

22%

26%

20%

PRESSURE

hPa · trend

990

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:47 AM

SUNSET

08:47 PM

15H 0M OF DAYLIGHT

MOON PHASE

New Moon

3% illuminated

PEAK ACTIVITY

Station Location

42.0658, -92.9077

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DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC

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