USGS · 07021000

CASTOR RIVER

USGS · 07021000LIVE

Castor River at Zalma, MO

BOLLINGER COUNTY, MO37.1466°N, -90.0755°W Updated 10 hr ago

FLOW RATE

949cfs

GAUGE HT

5.61ft

AIR TEMP

72°F

WIND

5mph NNE

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

949cfs 13.4% vs avg

Optimal band: 120–162 cfs

PERIOD HIGH

2,205cfs

PERIOD LOW

108cfs

RUNNABLE

52%

last 30 day in band

Gauge Height

5.61ft

Precipitation History

Your History · Castor River at Zalma, MO

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

72°

MON

89°

71°

TUE

89°

70°

WED

86°

70°

THU

90°

71°

FRI

97°

72°

SAT

100°

73°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

80°

mild

80°

82°

84°

85°

86°

87°

86°

84°

81°

78°

77°

76°

75°

74°

73°

72°

71°

73°

77°

80°

83°

85°

87°

88°

89°

88°

87°

85°

81°

79°

77°

75°

74°

73°

72°

71°

70°

71°

75°

79°

82°

84°

86°

88°

89°

88°

80°

77°

74°

73°

72°

71°

70°

72°

75°

79°

80°

83°

85°

86°

84°

83°

82°

81°

80°

79°

76°

74°

73°

72°

71°

73°

75°

78°

80°

81°

83°

90°

89°

86°

82°

80°

78°

76°

75°

74°

73°

WIND

mph · gust · dir

9mph NE

G 13 mph

G13

G11

NNE

G13

NNE

G13

NNE

G13

NNE

G14

NNE

G15

NNE

G14

NNE

G15

NNE

G10

G11

NNW

G13

G12

G13

NNE

G12

G13

G14

NNE

G13

NNE

G15

NNE

G16

NNE

G17

NNE

G17

NNE

G16

NNE

G15

NNE

G14

NNE

G14

NNE

G16

NNE

G14

G10

NNE

G11

G12

G16

NNE

G18

NNE

G20

NNE

G20

NNE

G20

NNE

G19

NNE

G19

NNE

G17

NNE

G18

NNE

G16

G15

ENE

G16

ENE

G16

ENE

G15

ENE

G15

ENE

G15

G16

ENE

G18

G16

ENE

G16

ENE

G10

G12

G11

ESE

G11

ESE

G10

ESE

NNE

ENE

SSE

SSW

WSW

WNW

PRECIP

chance %

21%

25%

10%

CLOUDS

cover %

37%

few

37%

38%

32%

25%

16%

10%

21%

14%

28%

26%

76%

100%

22%

15%

13%

11%

62%

47%

57%

48%

20%

35%

49%

25%

12%

100%

79%

54%

56%

77%

76%

78%

77%

15%

16%

81%

100%

88%

39%

37%

55%

46%

51%

23%

21%

15%

14%

44%

100%

93%

82%

68%

PRESSURE

hPa · trend

1006

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:50 AM

SUNSET

08:21 PM

14H 31M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

37.1466, -90.0755

Loading map…

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

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