USGS · 01591400

CATTAIL CREEK

USGS · 01591400LIVE

CATTAIL CREEK NEAR GLENWOOD, MD

HOWARD COUNTY, MD39.2560°N, -77.0511°W Updated 22 hr ago

FLOW RATE

7cfs

AIR TEMP

84°F

WIND

5mph W

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

7cfs 35.1% vs avg

Optimal band: 9–13 cfs

PERIOD HIGH

120cfs

PERIOD LOW

5cfs

RUNNABLE

43%

last 1 year in band

Precipitation History

Your History · CATTAIL CREEK NEAR GLENWOOD, MD

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

85°

72°

SAT

81°

70°

SUN

83°

71°

MON

86°

68°

TUE

92°

67°

WED

96°

73°

THU

99°

75°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

76°

mild

76°

75°

73°

72°

71°

70°

71°

73°

74°

75°

76°

77°

78°

80°

81°

80°

76°

74°

73°

72°

71°

72°

73°

75°

77°

79°

81°

83°

81°

79°

78°

75°

72°

71°

70°

69°

68°

70°

73°

76°

78°

80°

84°

86°

82°

79°

80°

79°

77°

74°

73°

72°

71°

70°

68°

67°

70°

74°

78°

81°

84°

86°

88°

90°

91°

92°

91°

92°

90°

85°

83°

79°

77°

75°

76°

75°

73°

76°

81°

84°

87°

90°

93°

94°

95°

96°

95°

WIND

mph · gust · dir

2mph S

G 5 mph

WNW

G12

SSW

WNW

SSW

ESE

NNW

SSE

SSW

NNW

ENE

G11

G10

G11

G14

ENE

G13

ESE

SSE

WNW

NNW

ENE

NNE

ENE

ESE

G11

ESE

G17

SSE

G17

SSE

G17

SSW

G16

SSW

G14

SSW

G13

SSW

G12

SSW

G10

SSW

G10

SSE

G17

SSE

G22

SSW

G25

SSW

G28

SSW

G26

SSW

G22

G17

G13

NNW

WNW

NNW

PRECIP

chance %

10%

13%

11%

10%

12%

10%

15%

21%

24%

29%

32%

29%

14%

12%

13%

14%

15%

18%

22%

33%

35%

26%

24%

28%

25%

18%

17%

24%

17%

18%

23%

26%

11%

CLOUDS

cover %

100%

overcast

100%

98%

73%

100%

68%

100%

79%

91%

100%

50%

68%

100%

63%

100%

15%

11%

23%

29%

78%

58%

84%

100%

11%

81%

66%

100%

18%

100%

21%

69%

29%

100%

11%

14%

22%

32%

44%

61%

79%

86%

PRESSURE

hPa · trend

1004

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:43 AM

SUNSET

08:38 PM

14H 55M OF DAYLIGHT0H 0M REMAINING

MOON PHASE

Waxing Gibbous

90% illuminated

Station Location

39.2560, -77.0511

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-26 22:35 UTC

Site #01591400·USGS

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