USGS · 01598500

NORTH BRANCH

USGS · 01598500LIVE

NORTH BRANCH POTOMAC RIVER AT LUKE, MD

LUKE, MD39.4790°N, -79.0638°W Updated 1 hr ago

FLOW RATE

415cfs

GAUGE HT

1.95ft

AIR TEMP

95°F

WIND

4mph W

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

415cfs 32.2% vs avg

Optimal band: 324–438 cfs

PERIOD HIGH

420cfs

PERIOD LOW

376cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

1.95ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

98°

74°

SAT

100°

75°

SUN

95°

68°

MON

83°

67°

TUE

91°

68°

WED

89°

67°

THU

93°

70°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

97°

mild

97°

95°

93°

89°

86°

84°

83°

81°

80°

79°

77°

76°

78°

83°

87°

91°

95°

97°

98°

99°

100°

98°

91°

80°

81°

75°

76°

74°

73°

72°

73°

74°

77°

82°

88°

92°

87°

91°

95°

93°

74°

71°

72°

70°

69°

68°

69°

68°

67°

69°

71°

74°

78°

82°

83°

81°

80°

77°

72°

71°

70°

69°

68°

69°

73°

76°

81°

85°

87°

89°

90°

91°

83°

86°

83°

82°

79°

76°

73°

71°

70°

69°

68°

67°

69°

71°

74°

79°

85°

88°

89°

WIND

mph · gust · dir

8mph WNW

G 11 mph

G11

WNW

G11

WNW

G11

G13

WSW

SSW

WSW

G13

WSW

G15

WSW

G16

WSW

G18

WSW

G20

WSW

G19

WSW

G28

SSE

G11

G27

WSW

G21

WNW

G11

WSW

G33

G20

ESE

NNW

WSW

SSW

NNW

G26

ESE

G23

SSE

G22

SSW

SSE

G12

ESE

WSW

SSW

WSW

SSW

ESE

SSE

WSW

WNW

G13

WNW

G12

G11

WNW

G10

WNW

G15

WNW

G15

G17

G18

WNW

PRECIP

chance %

17%

11%

23%

21%

82%

68%

29%

37%

82%

52%

19%

33%

52%

33%

13%

18%

CLOUDS

cover %

clear

22%

66%

23%

13%

100%

99%

100%

99%

100%

95%

88%

100%

58%

100%

97%

100%

90%

66%

100%

18%

14%

31%

11%

100%

59%

100%

10%

100%

82%

100%

43%

100%

52%

67%

87%

100%

93%

63%

24%

11%

PRESSURE

hPa · trend

982

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:54 AM

SUNSET

08:47 PM

14H 53M OF DAYLIGHT3H 46M REMAINING

MOON PHASE

Waning Gibbous

85% illuminated

Station Location

39.4790, -79.0638

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-03 17:01 UTC

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