USGS · 06020600

RUBY RIVER

USGS · 06020600LIVE

Ruby River below reservoir near Alder, MT

MADISON COUNTY, MT45.2419°N, -112.1112°W Updated 21 min ago

FLOW RATE

91.4cfs

GAUGE HT

2.63ft

AIR TEMP

81°F

WIND

13mph S

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

91.4cfs 67.7% vs avg

Optimal band: 78–105 cfs

PERIOD HIGH

91.4cfs

PERIOD LOW

89.8cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

2.63ft

Precipitation History

Your History · Ruby River below reservoir near Alder, MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

52°

MON

82°

58°

TUE

82°

56°

WED

86°

57°

THU

83°

55°

FRI

88°

54°

SAT

94°

62°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

64°

mild

64°

61°

60°

58°

60°

65°

68°

69°

71°

72°

78°

80°

77°

82°

72°

74°

73°

65°

62°

61°

59°

57°

56°

58°

62°

66°

69°

72°

75°

77°

78°

80°

82°

80°

58°

60°

59°

60°

59°

58°

57°

60°

66°

70°

74°

78°

81°

83°

85°

86°

81°

74°

70°

64°

60°

58°

57°

56°

55°

59°

64°

67°

71°

74°

77°

79°

82°

83°

82°

77°

69°

65°

61°

59°

57°

55°

56°

54°

58°

65°

70°

74°

78°

81°

83°

85°

87°

88°

WIND

mph · gust · dir

5mph NNW

NNW

G17

G14

ENE

G15

ENE

G16

G15

G12

ENE

G13

G14

G11

SSE

G18

G17

ENE

G13

SSE

G13

G15

NNE

G11

SSE

G16

NNE

WSW

SSE

SSW

SSE

SSW

WSW

G12

SSE

G15

WNW

G16

WNW

G16

G18

G15

WNW

G20

SSE

ESE

SSE

SSW

WSW

G12

G15

G18

G19

G20

WNW

NNW

G14

NNW

ENE

SSW

WSW

G14

WSW

G15

WSW

G17

G18

WSW

G20

G21

G20

WNW

G18

WSW

ESE

SSE

G10

G15

WSW

G18

WSW

G20

G21

G23

WSW

G24

G23

PRECIP

chance %

16%

20%

35%

23%

16%

23%

18%

12%

15%

11%

29%

25%

CLOUDS

cover %

100%

overcast

100%

72%

100%

95%

99%

100%

89%

100%

66%

100%

72%

100%

19%

42%

63%

PRESSURE

hPa · trend

838

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Moderate

Pressure

Stable

Moon Phase

Good

DAYLIGHT

SUNRISE

05:47 AM

SUNSET

09:18 PM

15H 31M OF DAYLIGHT

MOON PHASE

Last Quarter

64% illuminated

Station Location

45.2419, -112.1112

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DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:45 UTC

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