USGS · 12388700

FLATHEAD RIVER

USGS · 12388700LIVE

Flathead River at Perma MT

MONTANA47.3668°N, -114.5850°W Updated 1 hr ago

FLOW RATE

45,100cfs

GAUGE HT

19.16ft

WATER TEMP

13°F

AIR TEMP

67°F

WIND

1mph ESE

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

45,100cfs 73.7% vs avg

Optimal band: 39,610–53,590 cfs

PERIOD HIGH

48,300cfs

PERIOD LOW

44,900cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

19.16ft

Water Temperature

12.9°F

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

75°

49°

SAT

63°

51°

SUN

58°

44°

MON

65°

43°

TUE

64°

51°

WED

56°

43°

THU

65°

44°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

74°

mild

74°

73°

71°

69°

66°

62°

60°

58°

57°

55°

54°

55°

56°

58°

60°

62°

63°

61°

59°

57°

53°

51°

52°

50°

49°

48°

46°

45°

44°

47°

49°

50°

54°

55°

57°

56°

57°

58°

56°

57°

52°

48°

47°

46°

44°

43°

47°

51°

54°

59°

63°

62°

63°

65°

64°

63°

64°

63°

57°

53°

52°

51°

53°

51°

52°

53°

52°

51°

56°

59°

61°

62°

64°

61°

62°

61°

60°

58°

55°

53°

51°

49°

46°

44°

43°

46°

48°

49°

50°

51°

WIND

mph · gust · dir

15mph W

G 27 mph

G27

G23

G20

G17

G15

G10

G13

WSW

G13

SSW

G16

SSW

G18

SSW

G21

G19

SSW

G21

G22

G25

WSW

G26

WSW

G24

WSW

G22

G17

G18

G22

G24

G23

G22

G24

G22

G18

G17

WNW

G17

WSW

G15

WSW

G14

WSW

G11

G10

WSW

G11

WSW

SSW

G11

WSW

G21

G22

G21

G23

G26

G23

WSW

G11

WSW

SSW

SSE

SSW

WSW

G11

WSW

G20

G19

WSW

G17

WSW

G14

WSW

G13

WSW

G15

G14

G15

WNW

G11

NNW

SSW

WSW

SSW

WSW

G10

WSW

G10

WSW

G11

WSW

G11

WSW

PRECIP

chance %

17%

15%

12%

35%

52%

14%

27%

52%

39%

19%

23%

CLOUDS

cover %

100%

overcast

100%

12%

20%

100%

99%

100%

17%

63%

100%

69%

100%

94%

100%

77%

13%

100%

99%

24%

63%

59%

88%

100%

84%

69%

100%

77%

100%

91%

79%

71%

75%

79%

83%

88%

89%

PRESSURE

hPa · trend

923

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Falling — Active

Moon Phase

Average

DAYLIGHT

SUNRISE

05:43 AM

SUNSET

09:30 PM

15H 47M OF DAYLIGHT4H 48M REMAINING

MOON PHASE

Waning Gibbous

72% illuminated

Station Location

47.3668, -114.5850

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-05 16:42 UTC

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