USGS · 07381490

ATCHAFALAYA RIVER

USGS · 07381490LIVE

Atchafalaya River at Simmesport, LA

SIMMESPORT, LA30.9825°N, -91.7983°W Updated 1 hr ago

FLOW RATE

282,000cfs

GAUGE HT

22.88ft

AIR TEMP

75°F

WIND

3mph SE

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

282,000cfs 0.6% vs avg

Optimal band: 242,250–327,750 cfs

PERIOD HIGH

289,000cfs

PERIOD LOW

282,000cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

22.88ft

Precipitation History

Your History · Atchafalaya River at Simmesport, LA

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Weather Conditions

WEATHER CONDITIONS

TODAY

89°

74°

MON

85°

70°

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

75°

mild

75°

78°

81°

84°

85°

86°

87°

89°

88°

84°

86°

78°

79°

77°

76°

75°

74°

73°

74°

77°

79°

81°

82°

83°

85°

80°

77°

73°

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°

WIND

mph · gust · dir

5mph SSE

G 12 mph

G12

SSE

G14

SSW

WSW

WNW

SSE

G15

G16

G15

G13

G15

SSW

G10

G11

SSW

SSE

SSW

NNE

G15

G14

WNW

G14

WNW

SSW

G16

SSW

G18

G17

G14

G12

G10

G11

WSW

G11

WSW

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

PRECIP

chance %

12%

13%

18%

27%

24%

23%

21%

18%

14%

13%

12%

13%

23%

18%

24%

34%

36%

39%

58%

78%

10%

23%

36%

57%

20%

CLOUDS

cover %

56%

partly

56%

14%

100%

59%

26%

82%

100%

58%

100%

98%

100%

45%

41%

100%

98%

94%

100%

95%

100%

96%

94%

100%

75%

100%

79%

100%

94%

14%

10%

100%

58%

11%

10%

11%

17%

PRESSURE

hPa · trend

1019

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

7% illuminated

Station Location

30.9825, -91.7983

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 05:30 UTC

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