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 1 hr ago

FLOW RATE

469cfs

GAUGE HT

2.71ft

AIR TEMP

57°F

WIND

10mph NW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

469cfs 33.3% vs avg

Optimal band: 407–551 cfs

PERIOD HIGH

561cfs

PERIOD LOW

469cfs

RUNNABLE

78%

last 1 day in band

Gauge Height

2.71ft

Precipitation History

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

85°

55°

THU

78°

59°

FRI

67°

50°

SAT

57°

45°

SUN

51°

43°

MON

64°

40°

TUE

72°

50°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

81°

mild

81°

83°

82°

85°

84°

83°

82°

79°

74°

69°

67°

66°

67°

66°

65°

64°

61°

59°

61°

64°

67°

70°

71°

72°

69°

75°

77°

76°

78°

76°

74°

71°

66°

63°

62°

61°

60°

61°

64°

66°

67°

65°

61°

60°

58°

59°

56°

57°

54°

51°

50°

51°

50°

49°

46°

49°

50°

46°

45°

46°

48°

50°

55°

53°

56°

57°

55°

51°

47°

45°

44°

45°

43°

44°

43°

44°

43°

46°

48°

50°

51°

50°

49°

46°

43°

42°

41°

40°

WIND

mph · gust · dir

8mph NNW

G 15 mph

G15

NNW

G16

NNW

G14

G17

G18

G23

G24

NNW

G22

G10

WNW

G10

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

ESE

SSE

SSW

G26

G34

G32

WSW

G32

SSW

G15

WSW

G12

G11

G13

G10

WSW

G10

WNW

WSW

SSW

SSE

SSW

G12

G13

WSW

WNW

NNW

NNE

WNW

WSW

WNW

PRECIP

chance %

11%

15%

13%

18%

11%

12%

40%

21%

33%

66%

81%

49%

41%

52%

63%

32%

15%

CLOUDS

cover %

66%

mostly

66%

100%

82%

100%

79%

100%

73%

100%

85%

100%

17%

100%

94%

100%

64%

47%

100%

10%

13%

100%

98%

100%

97%

73%

100%

PRESSURE

hPa · trend

822

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Moderate

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:53 AM

SUNSET

09:21 PM

15H 28M OF DAYLIGHT8H 32M REMAINING

MOON PHASE

Waxing Gibbous

70% illuminated

Station Location

43.9392, -113.6483

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:49 UTC

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