USGS · 06079000

SOUTH FORK SUN

USGS · 06079000LIVE

South Fork Sun River near Augusta MT

LEWIS AND CLARK COUNTY, MT47.6286°N, -112.8658°W Updated 15 hr ago

FLOW RATE

432cfs

AIR TEMP

67°F

WIND

2mph NE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

432cfs 18.7% vs avg

Optimal band: 459–621 cfs

PERIOD HIGH

746cfs

PERIOD LOW

432cfs

RUNNABLE

50%

last 7 day in band

Precipitation History

Your History · South Fork Sun River near Augusta MT

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Weather Conditions

WEATHER CONDITIONS

TODAY

81°

53°

THU

75°

53°

FRI

81°

52°

SAT

85°

57°

SUN

83°

56°

MON

87°

57°

TUE

89°

63°

TIME

WED

NOW

THU

FRI

SAT

SUN

MON

TEMP

hourly forecast

81°

mild

81°

80°

79°

78°

77°

74°

70°

65°

63°

61°

59°

58°

56°

54°

53°

55°

59°

65°

67°

70°

72°

73°

74°

75°

74°

73°

72°

71°

66°

63°

61°

59°

58°

57°

55°

53°

52°

54°

61°

66°

70°

74°

76°

78°

80°

81°

80°

81°

80°

78°

74°

67°

63°

62°

61°

60°

59°

58°

57°

60°

67°

73°

77°

80°

84°

85°

83°

82°

80°

75°

68°

64°

62°

61°

60°

59°

58°

56°

58°

64°

69°

73°

77°

79°

81°

82°

83°

81°

80°

78°

73°

68°

66°

64°

63°

62°

61°

60°

58°

57°

60°

65°

WIND

mph · gust · dir

11mph W

G 23 mph

G23

G24

WNW

G24

WNW

G26

G20

G18

WNW

G17

NNE

WSW

ENE

G21

WNW

G19

WNW

G19

WNW

G19

G18

G17

G18

G20

WNW

G19

WNW

G21

WNW

G19

WNW

G19

WNW

G11

ENE

ESE

SSE

SSW

WSW

G16

WSW

G19

WSW

G19

WSW

G20

G19

WSW

G22

WSW

G22

G17

G10

WNW

WSW

G14

G27

G26

G25

G26

G25

WSW

G27

WSW

G24

G22

G23

WNW

WSW

G21

WSW

G26

WSW

G24

WSW

G27

WSW

G28

WSW

G26

WSW

G28

WSW

G26

WSW

G28

WSW

WNW

PRECIP

chance %

CLOUDS

cover %

clear

19%

10%

11%

62%

25%

90%

100%

87%

100%

99%

63%

36%

88%

70%

100%

70%

12%

51%

38%

37%

16%

22%

58%

100%

PRESSURE

hPa · trend

859

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Good

DAYLIGHT

SUNRISE

05:43 AM

SUNSET

09:29 PM

15H 46M OF DAYLIGHT

MOON PHASE

Last Quarter

37% illuminated

Station Location

47.6286, -112.8658

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DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC

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