USGS · 06099500

MARIAS RIVER

USGS · 06099500LIVE

Marias River near Shelby MT

TOOLE COUNTY, MT48.4272°N, -111.8898°W Updated 19 hr ago

FLOW RATE

683cfs

AIR TEMP

93°F

WIND

17mph WNW

FISH INDEX

44SCORE / 100

FAIR · 2 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

683cfs

Optimal band: 446–604 cfs

PERIOD HIGH

4,639cfs

PERIOD LOW

83cfs

RUNNABLE

last 1 year in band

Precipitation History

Your History · Marias River near Shelby MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

94°

59°

MON

93°

68°

TUE

88°

68°

WED

91°

65°

THU

95°

68°

FRI

88°

67°

SAT

90°

62°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

84°

mild

84°

81°

78°

75°

73°

71°

70°

69°

68°

69°

73°

77°

81°

84°

86°

87°

89°

91°

92°

93°

88°

86°

82°

79°

73°

70°

69°

68°

71°

74°

76°

79°

81°

80°

82°

81°

82°

86°

88°

85°

79°

75°

72°

70°

69°

67°

69°

68°

65°

66°

67°

69°

73°

72°

75°

82°

85°

87°

89°

90°

91°

86°

82°

79°

77°

74°

72°

70°

69°

68°

72°

76°

79°

83°

86°

89°

91°

93°

94°

95°

94°

92°

89°

80°

74°

71°

70°

68°

67°

69°

72°

76°

80°

84°

87°

WIND

mph · gust · dir

12mph WNW

G 19 mph

G19

WNW

G10

WNW

NNW

NNE

WNW

ESE

G11

SSE

G14

SSE

G22

SSE

G19

G12

WSW

G20

WNW

G26

G32

WNW

G17

WNW

NNW

G25

G16

G10

SSE

ESE

G14

ESE

G17

ESE

SSE

NNE

ESE

NNE

ENE

NNE

NNW

G20

NNW

G22

NNW

G22

G19

WNW

G13

NNW

SSW

G20

G14

SSE

G12

SSE

G10

G14

G19

SSE

G16

SSE

G16

SSE

G15

SSE

G15

SSE

G13

SSE

G13

SSE

G13

G16

G13

SSE

G16

G24

G20

SSE

G14

SSW

WSW

G10

G11

G12

G17

G26

G19

NNE

G16

G19

G17

NNW

G11

G12

WNW

G11

G14

WNW

PRECIP

chance %

13%

15%

13%

18%

36%

45%

40%

44%

34%

14%

15%

34%

16%

CLOUDS

cover %

100%

overcast

100%

94%

100%

31%

100%

59%

56%

42%

100%

90%

83%

100%

98%

23%

100%

64%

56%

63%

100%

94%

93%

11%

100%

81%

100%

93%

82%

69%

51%

32%

19%

PRESSURE

hPa · trend

908

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:39 AM

SUNSET

09:26 PM

15H 47M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% 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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