USGS · 06099500

MARIAS RIVER

USGS · 06099500LIVE

Marias River near Shelby MT

TOOLE COUNTY, MT48.4272°N, -111.8898°W Updated 5 hr ago

FLOW RATE

4,121cfs

AIR TEMP

62°F

WIND

4mph WSW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

4,121cfs 42.5% vs avg

Optimal band: 962–1,302 cfs

PERIOD HIGH

4,355cfs

PERIOD LOW

712cfs

RUNNABLE

13%

last 7 day in band

Precipitation History

Your History · Marias River near Shelby MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

75°

50°

THU

76°

56°

FRI

81°

53°

SAT

83°

60°

SUN

86°

61°

MON

80°

54°

TUE

88°

62°

TIME

THU

NOW

FRI

SAT

SUN

MON

TEMP

hourly forecast

57°

mild

57°

58°

61°

64°

66°

69°

72°

73°

74°

75°

76°

75°

73°

69°

65°

62°

60°

58°

57°

55°

54°

53°

56°

60°

65°

69°

74°

76°

78°

80°

81°

80°

79°

77°

74°

68°

65°

63°

65°

63°

62°

61°

60°

63°

68°

72°

74°

76°

78°

81°

83°

81°

82°

83°

82°

80°

76°

70°

67°

65°

63°

62°

63°

62°

61°

62°

63°

69°

74°

77°

79°

82°

83°

85°

86°

85°

84°

83°

81°

77°

71°

66°

64°

63°

62°

59°

57°

55°

54°

56°

59°

62°

65°

68°

71°

73°

76°

78°

79°

80°

78°

75°

72°

70°

WIND

mph · gust · dir

5mph WNW

G 8 mph

WNW

G10

G22

G20

G17

WNW

G15

G16

G17

G16

G15

G16

G14

G13

G11

WNW

G10

WNW

G12

WNW

G12

WNW

G12

WNW

G14

WNW

G15

G18

G19

G20

WNW

G19

G14

NNW

NNE

SSW

G15

SSW

G15

SSW

G17

G20

WSW

G24

WSW

G26

WSW

G28

WSW

G26

WSW

G24

WSW

G22

WSW

G23

G25

WSW

G27

WSW

G27

WSW

G28

G29

G28

G25

WSW

G17

WSW

G14

WSW

G20

WSW

G21

G27

G29

WSW

G25

WSW

G22

WSW

G18

WSW

G19

WSW

G20

WSW

G20

WSW

G21

WSW

G22

WSW

G22

WSW

G23

WSW

G23

WSW

G24

WSW

G24

G22

WNW

G22

WNW

G17

G11

NNW

G17

G22

NNW

G23

G25

NNW

G21

G17

G13

NNE

ESE

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

69%

100%

90%

68%

100%

99%

58%

20%

27%

100%

78%

53%

28%

17%

100%

11%

12%

16%

22%

55%

30%

47%

66%

73%

54%

24%

19%

46%

69%

83%

PRESSURE

hPa · trend

904

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:30 AM

SUNSET

09:32 PM

16H 2M OF DAYLIGHT16H 30M REMAINING

MOON PHASE

Waning Gibbous

95% illuminated

Station Location

48.4272, -111.8898

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DATA · USGS · NOAA · NWSUPDATED 2026-07-02 05:02 UTC

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