USGS · 06101500

MARIAS RIVER

USGS · 06101500LIVE

Marias River near Chester MT

LIBERTY COUNTY, MT48.3060°N, -111.0805°W Updated 23 min ago

FLOW RATE

1,570cfs

GAUGE HT

4.85ft

AIR TEMP

78°F

WIND

4mph SE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

1,570cfs 29.8% vs avg

Optimal band: 1,335–1,805 cfs

PERIOD HIGH

1,570cfs

PERIOD LOW

1,550cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

4.85ft

Precipitation History

Your History · Marias River near Chester MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

96°

61°

MON

92°

65°

TUE

82°

70°

WED

87°

68°

THU

93°

68°

FRI

97°

68°

SAT

97°

72°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

96°

mild

96°

92°

89°

84°

81°

77°

73°

72°

71°

70°

68°

66°

65°

66°

71°

77°

81°

84°

87°

88°

90°

91°

92°

88°

85°

82°

79°

77°

74°

73°

72°

70°

71°

73°

74°

77°

75°

77°

75°

76°

80°

82°

78°

77°

74°

72°

73°

72°

70°

69°

68°

69°

68°

69°

68°

70°

73°

78°

79°

83°

85°

86°

87°

86°

81°

78°

76°

74°

72°

71°

70°

69°

68°

70°

74°

77°

81°

84°

87°

89°

91°

92°

93°

92°

91°

87°

82°

70°

73°

72°

71°

70°

69°

68°

70°

72°

WIND

mph · gust · dir

10mph NW

G 17 mph

G17

NNW

G29

G27

G26

G10

WNW

G12

NNW

WNW

G10

NNW

NNE

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

G13

G17

G15

ENE

G15

G14

ENE

G16

NNE

G18

NNE

G23

G24

G21

NNE

G16

ENE

G10

ENE

SSW

G18

ESE

G23

SSE

G23

G22

G23

G18

G17

ESE

G17

G15

G14

ESE

G14

ESE

G22

ESE

G20

G15

ESE

G18

ESE

ENE

ESE

G13

ESE

G15

G16

ENE

G17

G24

G30

G27

G10

NNW

SSW

WSW

PRECIP

chance %

16%

15%

16%

49%

59%

62%

36%

25%

21%

36%

11%

CLOUDS

cover %

81%

mostly

81%

100%

97%

100%

43%

100%

90%

100%

28%

100%

34%

50%

100%

42%

43%

100%

94%

100%

93%

100%

93%

76%

100%

97%

100%

97%

100%

84%

100%

12%

59%

10%

82%

81%

100%

70%

31%

PRESSURE

hPa · trend

915

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

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 15:15 UTC

Site #06101500·USGS

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