USGS · 06099500

MARIAS RIVER

USGS · 06099500LIVE

Marias River near Shelby MT

MONTANA48.4272°N, -111.8898°W Updated 15 hr ago

FLOW RATE

688cfs

GAUGE HT

3.62ft

AIR TEMP

78°F

WIND

1mph NNW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

688cfs 8.0% vs avg

Optimal band: 972–1,316 cfs

PERIOD HIGH

4,426cfs

PERIOD LOW

688cfs

RUNNABLE

32%

last 30 day in band

Gauge Height

3.62ft

Precipitation History

Your History · Marias River near Shelby MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

95°

59°

MON

93°

68°

TUE

74°

67°

WED

88°

64°

THU

93°

66°

FRI

97°

64°

SAT

94°

72°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

93°

mild

93°

91°

89°

86°

84°

80°

78°

76°

73°

71°

69°

68°

69°

73°

77°

81°

84°

86°

87°

89°

91°

92°

93°

88°

86°

82°

79°

73°

70°

69°

70°

72°

73°

74°

72°

71°

70°

71°

69°

70°

69°

67°

66°

65°

66°

65°

64°

66°

69°

72°

78°

81°

84°

85°

86°

87°

88°

87°

84°

79°

76°

75°

72°

70°

69°

68°

67°

66°

70°

73°

76°

79°

82°

85°

87°

90°

92°

93°

91°

80°

79°

73°

71°

70°

69°

68°

67°

66°

64°

65°

67°

71°

WIND

mph · gust · dir

20mph WNW

G 24 mph

G24

WNW

G26

WNW

G28

WNW

G24

WNW

G14

WNW

NNW

WNW

ESE

G11

SSE

G14

SSE

G22

SSE

G19

G12

WSW

G20

WNW

G26

G32

WNW

G17

WNW

NNW

G25

G16

G10

SSE

G11

SSE

G11

G14

G13

G20

ESE

G22

ESE

G20

G13

G10

ESE

NNW

SSW

SSE

ESE

SSE

G13

G18

SSE

G17

ESE

G17

G16

G14

ESE

G17

ESE

G16

ESE

SSE

ESE

ENE

ESE

NNE

ENE

ESE

G10

ESE

G11

G16

G15

WSW

G22

SSW

G16

WSW

G12

SSW

SSE

ESE

NNW

PRECIP

chance %

15%

13%

18%

36%

45%

40%

44%

34%

14%

15%

34%

16%

CLOUDS

cover %

97%

overcast

97%

100%

97%

100%

94%

100%

31%

100%

79%

97%

100%

66%

100%

92%

100%

71%

100%

40%

100%

63%

100%

95%

100%

92%

81%

70%

59%

49%

PRESSURE

hPa · trend

908

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:39 AM

SUNSET

09:26 PM

15H 47M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

48.4272, -111.8898

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

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