USGS · 06101500

MARIAS RIVER

USGS · 06101500LIVE

Marias River near Chester MT

LIBERTY COUNTY, MT48.3060°N, -111.0805°W Updated 18 hr ago

FLOW RATE

1,565cfs

GAUGE HT

4.84ft

AIR TEMP

88°F

WIND

5mph W

FISH INDEX

50SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

1,565cfs 49.2% vs avg

Optimal band: 1,332–1,802 cfs

PERIOD HIGH

1,570cfs

PERIOD LOW

1,564cfs

RUNNABLE

100%

last 7 day in band

Gauge Height

4.84ft

Precipitation History

Your History · Marias River near Chester MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

96°

61°

MON

92°

65°

TUE

94°

70°

WED

89°

68°

THU

96°

70°

FRI

94°

70°

SAT

92°

64°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

94°

mild

94°

89°

85°

81°

78°

74°

72°

70°

69°

68°

67°

65°

66°

71°

77°

81°

84°

87°

88°

90°

91°

92°

88°

85°

82°

79°

77°

74°

73°

72°

70°

72°

74°

76°

81°

84°

86°

90°

89°

93°

94°

93°

91°

89°

80°

74°

73°

72°

70°

69°

68°

69°

72°

74°

75°

76°

80°

83°

85°

87°

89°

88°

86°

82°

79°

78°

75°

74°

73°

71°

70°

72°

76°

80°

83°

86°

89°

92°

93°

95°

96°

95°

94°

91°

83°

79°

77°

74°

73°

72°

71°

70°

71°

72°

74°

76°

80°

84°

WIND

mph · gust · dir

19mph NW

G 25 mph

G25

G27

G26

G11

NNW

ENE

NNW

ENE

ESE

G10

ESE

G10

G15

ESE

G11

G14

ESE

G16

ESE

G14

ESE

G13

ESE

SSE

G11

NNW

WNW

G16

G27

NNW

G26

NNW

G14

G15

G16

SSW

G13

NNE

G17

ENE

G15

ESE

G14

G16

G17

G18

ESE

G18

ESE

G23

ESE

G24

G21

SSW

G16

SSE

ESE

SSE

G18

SSW

G23

SSE

G23

ESE

G22

ESE

G23

SSE

G18

G17

G15

G14

SSE

G11

SSE

G12

SSE

G13

ESE

G14

ESE

G22

G20

G15

G18

SSE

WSW

ENE

ESE

G13

ESE

G16

G17

ESE

G24

G30

G27

G10

NNE

ENE

WNW

G12

PRECIP

chance %

16%

15%

16%

49%

59%

62%

36%

25%

21%

36%

11%

CLOUDS

cover %

100%

overcast

100%

95%

72%

26%

100%

85%

29%

10%

32%

69%

26%

100%

28%

100%

34%

50%

100%

42%

43%

100%

94%

100%

96%

98%

84%

94%

100%

95%

100%

99%

98%

100%

79%

92%

100%

71%

100%

71%

43%

55%

12%

100%

44%

76%

100%

87%

69%

PRESSURE

hPa · trend

915

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:36 AM

SUNSET

09:23 PM

15H 47M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

48.3060, -111.0805

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

Site #06101500·USGS

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