USGS · 05451500

IOWA RIVER

USGS · 05451500LIVE

Iowa River at Marshalltown, IA

MARSHALLTOWN, IA42.0658°N, -92.9077°W Updated 58 min ago

FLOW RATE

2,440cfs

GAUGE HT

12.94ft

AIR TEMP

64°F

WIND

5mph NE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

2,440cfs 44.1% vs avg

Optimal band: 2,193–2,967 cfs

PERIOD HIGH

2,720cfs

PERIOD LOW

2,400cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

12.94ft

Precipitation History

Your History · Iowa River at Marshalltown, IA

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

61°

MON

91°

65°

TUE

85°

67°

WED

86°

69°

THU

86°

71°

FRI

89°

70°

SAT

83°

69°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

74°

mild

74°

78°

81°

83°

85°

86°

87°

85°

81°

77°

74°

73°

71°

70°

69°

68°

67°

66°

65°

67°

72°

78°

83°

86°

87°

88°

90°

91°

89°

86°

82°

79°

76°

73°

71°

69°

68°

67°

69°

72°

75°

77°

80°

82°

83°

85°

84°

80°

76°

75°

74°

73°

72°

71°

70°

69°

71°

74°

77°

80°

81°

83°

84°

85°

86°

85°

81°

77°

76°

75°

74°

73°

72°

71°

73°

76°

79°

81°

82°

84°

85°

86°

85°

83°

80°

77°

75°

74°

73°

72°

WIND

mph · gust · dir

4mph SE

G 7 mph

ENE

G10

ENE

G10

ENE

ESE

SSE

ENE

WSW

SSW

SSE

NNE

SSW

WSW

WNW

SSW

WSW

SSW

G10

SSW

G10

SSW

G11

G12

G11

G10

G11

G13

G15

G17

PRECIP

chance %

CLOUDS

cover %

clear

68%

12%

100%

10%

11%

31%

100%

95%

11%

13%

10%

43%

11%

39%

21%

13%

79%

54%

100%

10%

27%

PRESSURE

hPa · trend

992

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:47 AM

SUNSET

08:47 PM

15H 0M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

42.0658, -92.9077

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 08:00 UTC

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