USGS · 06101500

MARIAS RIVER

USGS · 06101500LIVE

Marias River near Chester MT

LIBERTY COUNTY, MT48.3060°N, -111.0805°W Updated 53 min ago

FLOW RATE

1,230cfs

GAUGE HT

4.45ft

AIR TEMP

62°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

1,230cfs 42.0% vs avg

Optimal band: 1,046–1,415 cfs

PERIOD HIGH

1,230cfs

PERIOD LOW

1,220cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

4.45ft

Precipitation History

Your History · Marias River near Chester MT

Track your history

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Weather Conditions

WEATHER CONDITIONS

TODAY

77°

49°

THU

78°

57°

FRI

82°

54°

SAT

85°

60°

SUN

88°

62°

MON

82°

59°

TUE

89°

64°

TIME

THU

NOW

FRI

SAT

SUN

MON

TEMP

hourly forecast

57°

mild

57°

58°

59°

61°

65°

67°

69°

72°

74°

76°

77°

78°

77°

75°

70°

66°

63°

61°

60°

58°

57°

56°

55°

54°

56°

60°

64°

69°

73°

76°

78°

80°

82°

81°

79°

76°

71°

67°

65°

64°

62°

60°

61°

64°

67°

71°

74°

78°

80°

82°

83°

85°

84°

85°

83°

79°

74°

70°

68°

66°

65°

64°

63°

62°

63°

62°

65°

69°

74°

80°

82°

83°

84°

86°

87°

88°

86°

84°

80°

74°

71°

69°

67°

66°

63°

62°

61°

59°

60°

64°

67°

69°

71°

74°

76°

78°

80°

81°

82°

80°

78°

76°

74°

WIND

mph · gust · dir

1mph WSW

G 5 mph

WSW

ENE

WSW

WNW

G16

WNW

G17

WNW

G15

WNW

G17

G18

G16

WSW

G14

G15

G17

WNW

G11

WNW

NNW

WNW

G11

WSW

G11

WSW

G17

WNW

G18

WNW

G18

WNW

G15

NNW

SSW

WSW

G10

G13

WSW

G13

WSW

G13

G17

G20

G22

WNW

G15

G18

WNW

G25

G26

G22

G14

WNW

WSW

G13

G14

WSW

G15

WSW

G11

G13

G10

G15

G19

WSW

G15

G18

G15

G19

G18

NNW

ENE

NNE

NNW

G11

NNW

WNW

G12

NNE

G12

ENE

ESE

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

94%

44%

50%

11%

100%

61%

56%

61%

100%

78%

95%

100%

69%

37%

10%

45%

98%

50%

80%

25%

37%

14%

65%

100%

45%

58%

10%

100%

24%

18%

34%

43%

35%

18%

15%

27%

40%

51%

PRESSURE

hPa · trend

912

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:27 AM

SUNSET

09:28 PM

16H 1M OF DAYLIGHT16H 20M REMAINING

MOON PHASE

Waning Gibbous

95% illuminated

Station Location

48.3060, -111.0805

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-02 05:08 UTC

Site #06101500·USGS

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