USGS · 13120000

NF BIG LOST RIVER

USGS · 13120000LIVE

NF BIG LOST RIVER AT WILD HORSE NR CHILLY ID

IDAHO43.9328°N, -114.1139°W Updated 13 hr ago

FLOW RATE

130cfs

AIR TEMP

48°F

WIND

2mph W

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

130cfs 8.0% vs avg

Optimal band: 27–37 cfs

PERIOD HIGH

458cfs

PERIOD LOW

19cfs

RUNNABLE

33%

last 1 year in band

Precipitation History

Your History · NF BIG LOST RIVER AT WILD HORSE NR CHILLY ID

Track your history

Sign in to track your sessions at NF BIG LOST RIVER AT WILD HORSE NR CHILLY ID — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

74°

46°

SAT

80°

53°

SUN

79°

56°

MON

80°

57°

TUE

80°

53°

WED

82°

59°

THU

77°

54°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

71°

mild

71°

72°

73°

74°

73°

72°

70°

66°

60°

59°

58°

56°

55°

53°

54°

59°

66°

71°

74°

76°

77°

79°

80°

79°

77°

75°

71°

64°

61°

58°

56°

57°

59°

66°

71°

74°

76°

78°

79°

78°

75°

78°

79°

78°

74°

67°

62°

61°

60°

62°

60°

58°

57°

62°

64°

68°

70°

75°

78°

79°

80°

78°

73°

68°

61°

60°

57°

56°

55°

54°

53°

58°

63°

68°

72°

75°

77°

78°

79°

80°

79°

77°

74°

67°

65°

62°

61°

60°

WIND

mph · gust · dir

13mph WSW

G 18 mph

G18

WSW

G17

G20

G15

G14

G15

G12

G11

WNW

G12

WNW

WSW

SSW

SSE

G12

G14

G16

G17

G18

SSW

G22

G23

SSW

G21

WSW

G17

G19

G20

G18

WNW

G14

WNW

SSW

G14

G18

G17

WSW

G14

G17

WNW

ESE

NNE

G11

G22

SSE

G16

SSE

G16

G14

G11

G13

SSW

G14

WSW

WNW

NNW

SSW

WNW

WSW

WNW

WSW

G10

G14

G17

G18

G19

G18

G19

G17

WSW

SSW

PRECIP

chance %

17%

14%

23%

15%

30%

12%

CLOUDS

cover %

24%

few

24%

31%

26%

37%

82%

13%

64%

100%

79%

22%

67%

100%

16%

100%

94%

100%

97%

100%

14%

100%

16%

13%

12%

56%

33%

100%

67%

100%

77%

12%

100%

82%

57%

36%

PRESSURE

hPa · trend

798

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Cool

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:59 AM

SUNSET

09:22 PM

15H 23M OF DAYLIGHT8H 5M REMAINING

MOON PHASE

Waning Gibbous

87% illuminated

Station Location

43.9328, -114.1139

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-03 13:17 UTC

Site #13120000·USGS

Create a free account to save favorites, set flow alerts, and track conditions