USGS · 13120500

BIG LOST RIVER

USGS · 13120500LIVE

Big Lost River at Howell Ranch, near Chilly, ID (above reservoir)

CUSTER COUNTY, ID43.9983°N, -114.0211°W Updated 56 min ago

FLOW RATE

307cfs

GAUGE HT

1.64ft

AIR TEMP

76°F

WIND

6mph NW

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

307cfs 29.6% vs avg

Optimal band: 290–392 cfs

PERIOD HIGH

359cfs

PERIOD LOW

307cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

1.64ft

Precipitation History

Your History · Big Lost River at Howell Ranch, near Chilly, ID (above reservoir)

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Weather Conditions

WEATHER CONDITIONS

TODAY

88°

58°

MON

86°

60°

TUE

84°

62°

WED

81°

60°

THU

87°

59°

FRI

84°

63°

SAT

89°

59°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

63°

mild

63°

62°

60°

61°

60°

64°

71°

76°

79°

80°

81°

85°

86°

79°

78°

74°

71°

70°

69°

68°

66°

65°

64°

62°

63°

64°

67°

74°

78°

81°

80°

82°

83°

82°

83°

84°

83°

79°

72°

70°

62°

61°

62°

61°

60°

61°

64°

67°

71°

74°

77°

80°

81°

80°

79°

76°

71°

67°

65°

64°

67°

64°

61°

60°

59°

63°

68°

72°

76°

79°

81°

82°

84°

86°

87°

86°

84°

76°

72°

70°

66°

68°

66°

64°

66°

71°

75°

79°

82°

84°

82°

79°

77°

74°

71°

69°

WIND

mph · gust · dir

6mph SW

WSW

G10

ESE

G17

NNE

G17

WSW

G16

G17

WSW

G16

G10

NNW

G11

SSE

WSW

SSW

G10

WSW

G10

WSW

G11

G16

WSW

G19

WSW

G18

WSW

G16

G13

WSW

G16

WSW

SSW

NNW

WNW

NNW

ENE

NNE

WNW

WSW

WNW

NNW

WNW

SSW

SSE

NNW

NNE

G11

ENE

ESE

SSW

SSE

SSW

ESE

SSE

G12

ESE

G14

ESE

G14

G13

NNE

G11

NNW

PRECIP

chance %

17%

16%

32%

25%

26%

10%

35%

21%

CLOUDS

cover %

20%

few

20%

100%

79%

85%

100%

98%

65%

100%

19%

100%

77%

37%

23%

100%

79%

63%

49%

100%

94%

13%

100%

41%

82%

53%

98%

100%

91%

100%

99%

88%

100%

48%

94%

49%

19%

26%

100%

57%

78%

100%

64%

51%

10%

100%

95%

100%

88%

100%

10%

26%

50%

69%

78%

81%

79%

70%

PRESSURE

hPa · trend

800

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Falling — Active

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

06:05 AM

SUNSET

09:18 PM

15H 13M OF DAYLIGHT

MOON PHASE

New Moon

3% illuminated

PEAK ACTIVITY

Station Location

43.9983, -114.0211

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DATA · USGS · NOAA · NWSUPDATED 2026-07-13 02:00 UTC

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