USGS · 06020600

RUBY RIVER

USGS · 06020600LIVE

Ruby River below reservoir near Alder, MT

MADISON COUNTY, MT45.2419°N, -112.1112°W Updated 5 hr ago

FLOW RATE

133cfs

AIR TEMP

58°F

WIND

4mph WSW

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

133cfs 41.7% vs avg

Optimal band: 229–309 cfs

PERIOD HIGH

302cfs

PERIOD LOW

90cfs

RUNNABLE

68%

last 30 day in band

Precipitation History

Your History · Ruby River below reservoir near Alder, MT

Track your history

Sign in to track your sessions at Ruby River below reservoir near Alder, MT — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

74°

55°

TUE

84°

51°

WED

88°

59°

THU

84°

56°

FRI

86°

54°

SAT

94°

61°

SUN

99°

65°

TIME

TUE

NOW

WED

THU

FRI

SAT

TEMP

hourly forecast

51°

mild

51°

53°

59°

64°

70°

75°

78°

80°

82°

83°

84°

82°

80°

75°

71°

69°

68°

66°

64°

63°

61°

59°

61°

67°

71°

76°

80°

83°

85°

88°

85°

83°

78°

73°

68°

63°

59°

58°

56°

57°

59°

65°

70°

75°

77°

79°

81°

82°

84°

83°

81°

77°

68°

64°

61°

58°

57°

56°

55°

54°

59°

65°

69°

73°

77°

80°

82°

83°

85°

86°

85°

82°

75°

73°

71°

68°

65°

63°

61°

63°

62°

61°

65°

72°

77°

82°

86°

89°

91°

93°

94°

93°

89°

83°

78°

75°

WIND

mph · gust · dir

1mph S

SSW

G11

G14

G18

G19

G18

G16

G21

G19

WNW

G16

G14

NNE

G14

ENE

G23

G25

ENE

G19

G13

G11

ENE

SSW

NNE

G13

G15

G16

NNW

G17

G19

G20

G15

NNW

SSE

ESE

SSE

SSW

G11

G23

WSW

G25

G24

WSW

G25

G26

G27

G26

G24

G21

WSW

SSW

SSE

SSW

WSW

G14

WSW

G16

WSW

G16

G17

G16

G15

SSW

SSE

G10

G12

WSW

G13

WSW

G14

G13

SSW

G12

SSW

SSE

PRECIP

chance %

14%

18%

CLOUDS

cover %

clear

100%

84%

100%

66%

100%

70%

12%

100%

90%

15%

24%

47%

13%

100%

45%

100%

16%

100%

12%

11%

82%

100%

11%

PRESSURE

hPa · trend

836

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Good

DAYLIGHT

SUNRISE

05:48 AM

SUNSET

09:18 PM

15H 30M OF DAYLIGHT

MOON PHASE

Last Quarter

52% illuminated

Station Location

45.2419, -112.1112

Loading map…

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

Site #06020600·USGS

Create a free account to save favorites, set flow alerts, and track conditions