Waterlands
Frog Branch
USGS · 0165690673
FROG BRANCH
USGS · 0165690673LIVE

FROG BRANCH ABOVE FLATLICK BRANCH AT CHANTILLY, VA

RESTON, VA38.8811°N, -77.4305°W
AIR TEMP
73°F
WIND
4mph ENE
FISH INDEX
88SCORE / 100
EPIC · 5 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
cfs
No flow data available
Precipitation History
Your History · FROG BRANCH ABOVE FLATLICK BRANCH AT CHANTILLY, VA

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Weather Conditions
WEATHER CONDITIONS
TODAY
75°
71°
MON
83°
68°
TUE
95°
68°
WED
100°
70°
THU
103°
77°
FRI
105°
78°
SAT
104°
70°
TIME
SUN
2
NOW
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
TEMP
hourly forecast
72°
mild
72°
72°
73°
74°
75°
75°
74°
72°
71°
71°
71°
72°
69°
69°
68°
69°
68°
70°
71°
74°
76°
78°
79°
80°
81°
83°
83°
83°
83°
81°
78°
75°
73°
71°
71°
70°
69°
69°
68°
68°
68°
70°
74°
78°
81°
85°
87°
90°
92°
94°
95°
95°
94°
90°
76°
73°
71°
70°
70°
70°
70°
71°
72°
71°
70°
72°
76°
82°
87°
92°
96°
98°
99°
100°
100°
100°
98°
94°
89°
86°
83°
81°
80°
80°
79°
78°
77°
77°
77°
79°
84°
88°
91°
95°
98°
99°
102°
103°
102°
102°
101°
98°
92°
89°
85°
84°
82°
82°
80°
79°
78°
78°
79°
80°
83°
WIND
mph · gust · dir
6mph NNE
G 10 mph
6
G10
NNE
7
G11
NNE
7
G11
NNE
7
G10
ENE
5
G7
NE
4
G6
NE
3
G7
NE
4
G8
ENE
3
G4
NNE
4
G6
ENE
3
G8
ENE
3
G8
ESE
2
G4
NE
4
NNE
3
G5
N
3
G6
NNE
3
G6
NE
2
G5
NNE
3
G6
ENE
4
G6
E
4
G6
E
5
G7
E
5
G7
ESE
5
G6
ESE
6
G7
SE
6
G7
SE
6
G7
ESE
7
G9
SE
6
G8
SE
5
G8
ESE
6
G15
ESE
6
G13
SE
8
G16
SE
7
G14
SSE
6
G14
SSE
5
G14
S
5
G14
S
5
G15
SSW
4
G14
SSW
4
G12
SSW
4
G12
SSW
4
G10
S
5
G10
S
6
G10
SSW
6
G9
S
6
G8
S
6
G8
S
6
G7
S
6
G7
S
6
G7
SSW
4
G7
SSW
5
G7
S
5
G6
S
7
G13
SSE
7
G22
SSE
6
G24
SE
7
G23
SE
8
G26
S
8
G29
SSW
8
G32
SSW
9
G30
SSW
9
G29
SSW
8
G22
SSW
6
G14
SSW
6
G11
SSW
5
G7
SW
4
WSW
3
G7
WNW
3
G8
WNW
4
G9
NW
4
G8
N
4
G9
N
5
G8
NNE
7
G8
NNE
7
G9
NE
7
G9
NE
8
ENE
5
G9
ENE
4
ESE
5
ESE
5
G7
SSE
5
G9
SW
5
G7
WSW
4
WSW
2
SW
4
SW
4
SW
2
WSW
2
G3
NW
3
G4
NNW
4
G6
N
4
G5
N
3
G4
N
3
G4
N
2
G5
NNE
3
G4
NE
3
G4
NE
2
G4
ENE
3
G5
E
5
E
4
G5
ESE
4
G9
ENE
2
G4
ENE
2
G5
WNW
3
G16
WNW
3
G5
W
4
G5
W
4
G9
NW
4
G7
NW
4
G6
NW
3
G5
WNW
3
G4
WNW
3
G5
WNW
3
G6
NW
4
G7
NNW
PRECIP
chance %
21%
21%
18%
12%
13%
15%
18%
21%
15%
11%
8%
8%
8%
10%
6%
4%
2%
1%
2%
3%
4%
6%
7%
8%
9%
9%
5%
4%
5%
4%
5%
5%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
0%
0%
0%
0%
0%
0%
CLOUDS
cover %
93%
overcast
93%
100%
95%
28%
8%
85%
56%
63%
17%
100%
100%
81%
16%
100%
74%
100%
42%
100%
100%
87%
100%
99%
77%
24%
19%
11%
0%
2%
2%
0%
0%
0%
0%
0%
0%
1%
4%
0%
10%
14%
82%
100%
100%
54%
76%
92%
90%
6%
10%
75%
47%
91%
96%
91%
30%
80%
100%
100%
100%
17%
7%
32%
8%
5%
6%
6%
6%
0%
5%
5%
5%
0%
0%
0%
7%
5%
10%
6%
31%
6%
5%
5%
6%
5%
0%
0%
0%
0%
0%
0%
0%
6%
100%
100%
100%
100%
100%
80%
100%
65%
88%
11%
0%
100%
41%
100%
100%
100%
16%
35%
73%
96%
84%
58%
43%
PRESSURE
hPa · trend
1003
10031004100510071008100710091010100710061006100610051004100510071007100610071008
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
88
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:47 AM
SUNSET
08:39 PM
14H 52M OF DAYLIGHT6H 54M REMAINING
MOON PHASE
Full Moon
98% illuminated
PEAK ACTIVITY

Station Location

38.8811, -77.4305
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 13:45 UTC
Site #0165690673·USGS

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