USGS · 13127000

BIG LOST RIVER

USGS · 13127000LIVE

BIG LOST RIVER BL MACKAY RES NR MACKAY ID

CUSTER COUNTY, ID43.9392°N, -113.6483°W Updated 21 min ago

FLOW RATE

474cfs

GAUGE HT

2.72ft

AIR TEMP

59°F

WIND

9mph NW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

474cfs 33.0% vs avg

Optimal band: 407–551 cfs

PERIOD HIGH

561cfs

PERIOD LOW

469cfs

RUNNABLE

76%

last 1 day in band

Gauge Height

2.72ft

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

85°

58°

THU

78°

59°

FRI

65°

51°

SAT

58°

44°

SUN

52°

43°

MON

62°

40°

TUE

73°

45°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

73°

mild

73°

77°

80°

83°

82°

84°

85°

84°

83°

81°

75°

70°

68°

66°

67°

66°

65°

64°

61°

59°

61°

64°

67°

70°

71°

72°

69°

75°

77°

76°

78°

76°

74°

71°

66°

65°

64°

63°

62°

60°

59°

61°

64°

65°

62°

61°

60°

59°

58°

59°

58°

56°

51°

52°

50°

49°

47°

45°

44°

48°

51°

48°

46°

53°

54°

55°

51°

56°

57°

58°

57°

51°

48°

46°

45°

46°

45°

44°

43°

44°

46°

48°

50°

51°

52°

50°

48°

44°

45°

46°

44°

43°

42°

41°

WIND

mph · gust · dir

9mph NNW

G 11 mph

G11

NNW

G16

NNW

G21

G24

G12

G16

G18

G16

G17

G20

G23

G11

WNW

G11

G15

G19

G37

WNW

G18

SSW

G18

G11

ENE

G11

NNW

G14

WNW

G15

G22

NNW

G28

WSW

G21

WNW

G22

WSW

G20

WNW

G17

WNW

G19

G21

G10

WNW

NNW

SSW

G26

SSW

G34

G32

G18

SSW

G15

G12

WSW

G11

WSW

G13

G10

WSW

G10

WSW

WNW

WSW

SSW

G12

G13

WNW

NNE

WSW

WNW

SSW

WNW

PRECIP

chance %

11%

13%

18%

11%

12%

40%

21%

33%

66%

81%

49%

41%

52%

63%

32%

15%

CLOUDS

cover %

100%

overcast

100%

82%

100%

79%

100%

73%

100%

67%

100%

44%

74%

100%

14%

70%

13%

14%

10%

100%

93%

78%

96%

100%

PRESSURE

hPa · trend

822

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Good

DAYLIGHT

SUNRISE

05:53 AM

SUNSET

09:21 PM

15H 28M OF DAYLIGHT11H 15M REMAINING

MOON PHASE

First Quarter

68% illuminated

Station Location

43.9392, -113.6483

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 10:06 UTC

Site #13127000·USGS

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