USGS · 13120500

BIG LOST RIVER

USGS · 13120500LIVE

BIG LOST RIVER AT HOWELL RANCH NR CHILLY ID

CUSTER COUNTY, ID43.9983°N, -114.0211°W Updated 13 hr ago

FLOW RATE

532cfs

AIR TEMP

56°F

WIND

8mph WSW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

532cfs 2.6% vs avg

Optimal band: 82–112 cfs

PERIOD HIGH

1,388cfs

PERIOD LOW

52cfs

RUNNABLE

44%

last 1 year in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

74°

53°

FRI

68°

49°

SAT

57°

42°

SUN

52°

39°

MON

62°

36°

TUE

65°

42°

WED

73°

45°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

73°

mild

73°

72°

73°

74°

73°

70°

66°

63°

62°

61°

60°

59°

58°

57°

58°

61°

64°

68°

63°

62°

59°

58°

59°

58°

57°

55°

51°

49°

48°

46°

49°

48°

47°

42°

43°

45°

49°

51°

52°

49°

47°

55°

54°

55°

57°

56°

54°

49°

45°

43°

41°

43°

41°

39°

40°

41°

43°

45°

48°

50°

49°

51°

52°

51°

50°

49°

47°

45°

44°

42°

41°

40°

39°

38°

39°

38°

37°

36°

39°

42°

46°

51°

54°

57°

61°

62°

61°

60°

59°

58°

53°

50°

48°

47°

45°

43°

42°

WIND

mph · gust · dir

14mph W

G 21 mph

G21

G20

WNW

G20

WNW

G20

G19

G16

WNW

G16

WNW

G10

WSW

WNW

SSW

G11

G21

WSW

G29

G37

SSW

G34

G30

G33

WSW

G33

WSW

G30

WSW

G20

WSW

G20

WSW

G17

G15

WSW

G16

WSW

G10

WSW

SSE

SSW

G12

SSW

G23

G18

SSW

G18

WSW

G16

WSW

G17

G15

SSW

WSW

WNW

G11

WNW

WSW

WNW

WSW

SSW

WSW

PRECIP

chance %

14%

21%

16%

18%

16%

19%

46%

32%

70%

90%

59%

35%

49%

76%

57%

14%

12%

15%

CLOUDS

cover %

100%

overcast

100%

80%

100%

98%

100%

57%

100%

18%

100%

10%

100%

74%

87%

100%

16%

13%

100%

72%

100%

99%

100%

90%

75%

59%

PRESSURE

hPa · trend

800

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:54 AM

SUNSET

09:23 PM

15H 29M OF DAYLIGHT7H 31M REMAINING

MOON PHASE

Waxing Gibbous

79% illuminated

Station Location

43.9983, -114.0211

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DATA · USGS · NOAA · NWSUPDATED 2026-06-25 13:52 UTC

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