USGS · 06020600

RUBY RIVER

USGS · 06020600LIVE

Ruby River below reservoir near Alder, MT

MADISON COUNTY, MT45.2419°N, -112.1112°W Updated 2 hr ago

FLOW RATE

91cfs

AIR TEMP

77°F

WIND

3mph SSW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

91cfs 19.0% vs avg

Optimal band: 48–64 cfs

PERIOD HIGH

420cfs

PERIOD LOW

41cfs

RUNNABLE

15%

last 1 year in band

Precipitation History

Your History · Ruby River below reservoir near Alder, MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

52°

MON

81°

61°

TUE

83°

54°

WED

86°

57°

THU

83°

55°

FRI

88°

54°

SAT

94°

62°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

66°

mild

66°

63°

62°

61°

62°

66°

69°

70°

72°

74°

76°

79°

80°

81°

74°

72°

68°

65°

64°

62°

60°

58°

56°

55°

54°

57°

59°

63°

67°

71°

74°

78°

81°

83°

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°

85°

WIND

mph · gust · dir

2mph SW

G21

G19

G17

ENE

G15

G14

ENE

SSE

NNE

ENE

G24

NNW

G13

G11

G15

G17

ENE

G21

G19

G18

ENE

G16

G24

G20

G11

NNE

ESE

G11

NNE

G12

NNE

G14

G12

G15

G17

G15

WSW

G11

SSE

ESE

SSE

SSW

WSW

G11

G16

G19

G20

G22

G18

WNW

G13

NNW

ENE

SSW

WSW

G10

WSW

G12

WSW

G13

G15

WSW

G16

G18

G20

G19

G18

WNW

WSW

ESE

SSE

G12

G16

WSW

G18

WSW

G19

G18

G19

WSW

G20

G19

G15

SSW

PRECIP

chance %

16%

21%

35%

25%

16%

27%

22%

14%

15%

11%

29%

25%

CLOUDS

cover %

100%

overcast

100%

72%

100%

95%

99%

100%

89%

100%

66%

100%

72%

100%

19%

42%

63%

81%

PRESSURE

hPa · trend

838

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

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 00:00 UTC

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