USGS · 06130500

MUSSELSHELL RIVER

USGS · 06130500LIVE

Musselshell River at Mosby MT

PETROLEUM COUNTY, MT46.9947°N, -107.8892°W Updated 11 hr ago

FLOW RATE

139cfs

AIR TEMP

55°F

WIND

3mph S

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

139cfs 92.2% vs avg

Optimal band: 47–63 cfs

PERIOD HIGH

374cfs

PERIOD LOW

7cfs

RUNNABLE

10%

last 30 day in band

Precipitation History

Your History · Musselshell River at Mosby MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

88°

55°

SAT

93°

56°

SUN

94°

66°

MON

88°

66°

TUE

84°

67°

WED

97°

65°

THU

94°

70°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

82°

mild

82°

85°

87°

88°

85°

73°

74°

76°

75°

70°

67°

65°

63°

60°

59°

57°

56°

60°

65°

70°

76°

82°

86°

89°

91°

92°

93°

92°

86°

81°

78°

76°

77°

74°

72°

71°

74°

77°

81°

84°

86°

88°

89°

91°

92°

93°

94°

92°

66°

70°

75°

74°

73°

71°

70°

68°

66°

67°

68°

72°

75°

78°

81°

83°

84°

86°

87°

88°

87°

86°

83°

80°

79°

77°

76°

74°

73°

71°

72°

74°

76°

78°

76°

81°

83°

84°

83°

70°

71°

72°

67°

68°

67°

66°

WIND

mph · gust · dir

1mph SSE

G 5 mph

SSE

G10

NNW

G12

NNE

G12

NNE

G12

G19

NNW

G28

G18

ESE

SSW

NNE

ENE

ESE

SSE

SSW

G11

SSW

G11

SSW

G13

SSW

G15

G17

G15

SSW

G13

NNW

G10

NNW

G20

NNE

G14

NNE

G10

NNE

NNW

G14

NNW

G14

G13

G11

NNE

WSW

SSE

WSW

G19

NNW

G24

G18

WNW

NNW

G20

G23

WNW

G24

G25

NNW

G22

G21

G20

NNE

G15

NNE

ENE

ESE

G16

ESE

G20

G24

ESE

G23

G16

G17

WSW

G12

SSE

ENE

ESE

ENE

G14

SSW

G15

SSW

NNE

ESE

SSE

SSW

PRECIP

chance %

13%

25%

35%

26%

21%

10%

28%

39%

49%

11%

CLOUDS

cover %

clear

100%

95%

91%

43%

85%

31%

52%

17%

18%

40%

98%

78%

95%

68%

59%

13%

10%

54%

12%

100%

15%

12%

100%

12%

100%

66%

100%

80%

18%

100%

94%

100%

33%

67%

83%

65%

PRESSURE

hPa · trend

928

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:22 AM

SUNSET

09:09 PM

15H 47M OF DAYLIGHT9H 15M REMAINING

MOON PHASE

Waning Gibbous

87% illuminated

Station Location

46.9947, -107.8892

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 11:54 UTC

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