USGS · 01652500

FOURMILE RUN

USGS · 01652500LIVE

FOURMILE RUN AT ALEXANDRIA, VA

ARLINGTON, VA38.8433°N, -77.0859°W Updated 12 hr ago

FLOW RATE

7cfs

AIR TEMP

73°F

WIND

4mph NE

FISH INDEX

88SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

7cfs 51.3% vs avg

Optimal band: 3–5 cfs

PERIOD HIGH

89cfs

PERIOD LOW

3cfs

RUNNABLE

71%

last 30 day in band

Precipitation History

Your History · FOURMILE RUN AT ALEXANDRIA, VA

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Weather Conditions

WEATHER CONDITIONS

TODAY

86°

72°

MON

86°

70°

TUE

94°

69°

WED

101°

69°

THU

103°

78°

FRI

106°

81°

SAT

103°

72°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

82°

mild

82°

84°

86°

85°

82°

80°

79°

78°

76°

70°

71°

72°

74°

76°

79°

80°

82°

83°

84°

86°

85°

82°

79°

76°

74°

73°

71°

70°

69°

70°

74°

78°

81°

85°

88°

90°

92°

93°

94°

93°

89°

78°

73°

71°

70°

69°

70°

72°

76°

81°

86°

91°

94°

97°

100°

101°

100°

99°

96°

90°

86°

84°

82°

81°

80°

79°

78°

81°

85°

89°

94°

96°

99°

101°

102°

103°

102°

100°

94°

90°

87°

86°

85°

84°

83°

82°

81°

82°

83°

WIND

mph · gust · dir

5mph ENE

ENE

NNE

ENE

SSW

G12

SSE

G13

SSE

NNE

NNW

ENE

SSE

G11

SSE

G13

SSE

G11

SSE

G11

G12

SSW

G14

SSW

G12

SSW

G10

SSE

G14

SSE

G18

SSE

G22

G24

G26

G29

SSW

G28

SSW

G28

SSW

G27

SSW

G23

SSW

G18

SSW

G15

SSW

G11

WNW

NNW

ESE

SSE

G13

G12

SSW

G14

G20

G13

WSW

WNW

NNE

NNW

WNW

NNW

G11

SSW

G12

G10

WSW

G13

WNW

G16

G17

WNW

G18

PRECIP

chance %

22%

25%

26%

16%

12%

13%

CLOUDS

cover %

100%

overcast

100%

31%

70%

74%

64%

16%

17%

89%

91%

41%

17%

22%

72%

100%

92%

100%

95%

45%

96%

29%

21%

24%

17%

11%

47%

100%

88%

100%

82%

54%

76%

85%

69%

66%

100%

87%

45%

13%

16%

99%

100%

43%

31%

73%

47%

43%

62%

66%

41%

100%

30%

75%

100%

97%

87%

100%

94%

100%

99%

98%

94%

83%

68%

PRESSURE

hPa · trend

1013

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Stable

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:45 AM

SUNSET

08:37 PM

14H 52M OF DAYLIGHT7H 47M REMAINING

MOON PHASE

Full Moon

97% illuminated

PEAK ACTIVITY

Station Location

38.8433, -77.0859

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DATA · USGS · NOAA · NWSUPDATED 2026-06-28 12:50 UTC

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