USGS · 07381490

ATCHAFALAYA RIVER

USGS · 07381490LIVE

Atchafalaya River at Simmesport, LA

SIMMESPORT, LA30.9825°N, -91.7983°W Updated 9 hr ago

FLOW RATE

282,571cfs

GAUGE HT

22.91ft

AIR TEMP

75°F

WIND

2mph ESE

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

282,571cfs 38.6% vs avg

Optimal band: 115,432–156,172 cfs

PERIOD HIGH

293,412cfs

PERIOD LOW

59,643cfs

RUNNABLE

11%

last 1 year in band

Gauge Height

22.91ft

Precipitation History

Your History · Atchafalaya River at Simmesport, LA

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Weather Conditions

WEATHER CONDITIONS

TODAY

89°

74°

MON

86°

74°

TUE

81°

69°

WED

82°

70°

THU

89°

69°

FRI

92°

73°

SAT

86°

72°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

80°

mild

80°

82°

85°

86°

87°

88°

89°

88°

81°

77°

79°

78°

77°

76°

75°

77°

80°

82°

84°

85°

84°

85°

86°

80°

79°

78°

76°

75°

74°

72°

71°

70°

69°

70°

71°

72°

75°

77°

79°

81°

79°

78°

80°

79°

77°

75°

72°

71°

72°

71°

70°

71°

73°

76°

79°

80°

81°

79°

76°

79°

82°

80°

78°

77°

75°

74°

73°

72°

71°

70°

69°

71°

74°

78°

81°

83°

85°

87°

88°

89°

88°

86°

84°

81°

78°

77°

75°

74°

73°

WIND

mph · gust · dir

3mph SSW

G 7 mph

SSW

WSW

WNW

WSW

SSE

SSW

G24

WSW

G19

WSW

SSE

G10

SSW

G12

G13

WSW

G14

WSW

G14

WSW

G13

WSW

G11

G13

G10

WNW

G10

WNW

NNW

ENE

SSE

G19

SSW

G18

G17

G16

WSW

G15

WSW

G10

G11

WSW

G12

G10

WSW

G10

SSW

G11

SSW

G11

G10

SSW

G11

SSW

G15

G16

G17

SSW

G17

G19

G11

WNW

G11

SSW

G15

SSW

G13

SSW

G14

SSW

G17

SSW

G16

SSW

G11

SSW

G12

G14

G13

SSW

G14

SSW

G13

SSW

G12

SSW

G13

SSW

G10

SSW

WSW

SSW

WSW

WNW

SSE

G12

G15

G17

G16

G12

PRECIP

chance %

11%

20%

27%

24%

23%

20%

16%

13%

16%

20%

22%

32%

26%

24%

30%

32%

33%

40%

42%

47%

65%

13%

11%

34%

48%

24%

CLOUDS

cover %

43%

partly

43%

35%

34%

67%

22%

25%

10%

95%

100%

88%

73%

89%

100%

95%

100%

97%

100%

75%

100%

79%

100%

94%

14%

10%

100%

58%

11%

10%

11%

17%

23%

26%

28%

PRESSURE

hPa · trend

1020

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

06:12 AM

SUNSET

08:12 PM

14H 0M OF DAYLIGHT

MOON PHASE

Waning Crescent

6% illuminated

Station Location

30.9825, -91.7983

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

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