USGS · 06043120

GALLATIN RIVER

USGS · 06043120LIVE

Gallatin River above Deer Creek, near Big Sky, MT

MONTANA45.2973°N, -111.2114°W Updated 17 hr ago

FLOW RATE

1,487cfs

AIR TEMP

71°F

WIND

15mph WSW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

1,487cfs 27.7% vs avg

Optimal band: 1,480–2,002 cfs

PERIOD HIGH

2,029cfs

PERIOD LOW

1,446cfs

RUNNABLE

63%

last 7 day in band

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

77°

43°

SAT

76°

56°

SUN

62°

38°

MON

64°

35°

TUE

49°

41°

WED

43°

39°

THU

47°

29°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

76°

mild

76°

75°

74°

69°

65°

62°

61°

59°

57°

56°

61°

69°

72°

75°

76°

74°

72°

74°

75°

73°

72°

70°

67°

63°

59°

56°

55°

53°

52°

50°

49°

47°

48°

53°

58°

59°

58°

61°

62°

52°

48°

51°

49°

42°

40°

38°

37°

36°

37°

35°

36°

42°

47°

50°

49°

48°

53°

61°

64°

63°

59°

55°

52°

51°

50°

49°

47°

46°

45°

44°

45°

46°

44°

46°

47°

49°

48°

44°

43°

41°

42°

43°

42°

41°

42°

41°

42°

WIND

mph · gust · dir

18mph SW

G 28 mph

G28

G30

G11

WSW

SSW

WSW

G10

G25

WSW

G24

SSW

G42

SSW

G32

G31

G34

G37

G34

G37

G41

G39

G37

G33

G20

G13

ESE

G15

SSE

G10

ENE

ESE

G20

G19

SSW

G12

SSW

G15

G25

G36

SSW

G37

SSW

G37

SSW

G37

G38

SSW

G40

SSW

G25

WNW

G16

WNW

G22

G24

G26

WSW

G25

WSW

SSW

G10

G20

SSE

G26

G33

G39

G43

G46

G44

SSW

G44

SSW

G41

SSW

G45

SSW

G41

SSW

G39

SSW

G35

G34

SSE

G29

G17

G11

SSE

G12

G17

SSE

G17

G18

G16

G15

G16

G15

G13

SSW

G11

SSE

G10

SSE

SSW

WNW

WSW

PRECIP

chance %

10%

15%

40%

60%

69%

39%

13%

11%

20%

55%

67%

68%

73%

CLOUDS

cover %

clear

94%

92%

61%

100%

79%

100%

87%

97%

100%

13%

12%

88%

100%

83%

100%

97%

55%

100%

18%

11%

100%

99%

58%

100%

53%

36%

91%

100%

76%

100%

80%

100%

PRESSURE

hPa · trend

817

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Moderate

Pressure

Falling — Active

Moon Phase

Average

DAYLIGHT

SUNRISE

05:38 AM

SUNSET

09:08 PM

15H 30M OF DAYLIGHT3H 17M REMAINING

MOON PHASE

Waning Gibbous

72% illuminated

Station Location

45.2973, -111.2114

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-05 17:51 UTC

Site #06043120·USGS

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