Waterlands
Big River
USGS · 07018500
BIG RIVER
USGS · 07018500LIVE

Big River at Byrnesville, MO

JEFFERSON COUNTY, MO38.3917°N, -90.6378°W Updated 59 min ago
FLOW RATE
2,830cfs
GAUGE HT
8.75ft
AIR TEMP
73°F
WIND
5mph N
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
2,830cfs 243.1% vs avg
Optimal band: 1,709–2,312 cfs
PERIOD HIGH
2,850cfs
PERIOD LOW
237cfs
RUNNABLE
13%
last 1 day in band

Gauge Height

8.75ft
Precipitation History
Your History · Big River at Byrnesville, MO

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
70°
MON
89°
68°
TUE
90°
68°
WED
90°
70°
THU
92°
71°
FRI
95°
73°
SAT
96°
75°
TIME
SUN
7
NOW
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
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
TEMP
hourly forecast
71°
mild
71°
74°
78°
80°
83°
84°
86°
87°
87°
88°
88°
87°
84°
81°
78°
76°
75°
74°
73°
71°
71°
70°
69°
68°
70°
74°
79°
82°
84°
86°
87°
88°
89°
89°
88°
86°
82°
76°
72°
72°
71°
70°
69°
69°
68°
68°
68°
68°
70°
75°
78°
82°
85°
87°
88°
90°
90°
90°
89°
87°
84°
79°
76°
75°
74°
73°
72°
71°
71°
70°
70°
70°
73°
77°
80°
82°
82°
84°
88°
90°
90°
90°
90°
88°
84°
79°
75°
74°
73°
73°
72°
72°
71°
71°
71°
71°
73°
77°
81°
84°
87°
89°
91°
92°
92°
89°
84°
81°
81°
79°
78°
77°
76°
75°
WIND
mph · gust · dir
7mph NNE
G 18 mph
7
G18
NNE
6
G13
NNE
5
G11
NNE
5
G11
NNE
7
G11
N
7
G11
NNE
8
G10
NNE
7
G9
NNE
7
G10
NNE
6
G9
NNE
7
G10
NE
7
G10
NE
6
G11
NE
4
G12
NE
4
G10
NNE
5
G9
N
5
G11
NNE
4
G10
NNE
4
G8
N
5
G8
N
5
G7
N
5
G8
N
5
G8
N
6
G10
N
5
G9
N
5
G14
NNE
5
G13
NNE
6
G13
NNE
7
G12
NNE
9
G15
NNE
8
G14
NE
8
G12
NE
9
G15
NE
10
G14
NE
10
G15
NE
9
G14
NE
7
G16
ENE
5
G15
ENE
4
G13
NE
5
G10
NE
5
G9
NE
3
G4
NE
3
NE
2
NNE
3
G4
NNE
3
G4
N
3
NNE
3
NNE
3
G11
N
6
G10
NNE
6
G10
NE
7
G10
NE
8
G10
ENE
8
G11
ENE
9
G12
E
9
G13
E
9
G13
E
9
G12
E
9
G12
E
8
G10
E
7
G13
E
5
G6
E
4
ENE
4
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
NE
3
ENE
2
G3
ENE
2
NE
2
G3
ENE
3
G5
ENE
4
G7
ENE
6
G8
ENE
6
G8
E
6
G9
ESE
7
G9
ESE
7
G8
ESE
8
E
8
E
7
E
7
E
5
G8
ESE
4
G5
SE
3
G4
SSE
2
G3
SSE
3
SSE
2
G3
S
2
G3
S
2
S
2
SSW
0
SW
1
NE
1
SSW
0
NE
1
G2
E
2
G4
E
3
G4
ESE
4
ESE
5
E
5
E
5
E
4
ENE
3
G8
NE
3
G7
NNE
2
G3
NE
2
E
2
SE
2
SSE
2
S
2
SSW
2
SW
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
0%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
6%
6%
6%
6%
6%
6%
4%
4%
4%
4%
4%
4%
0%
0%
0%
0%
0%
0%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
CLOUDS
cover %
4%
clear
4%
3%
2%
1%
8%
6%
14%
9%
12%
3%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
0%
0%
48%
44%
5%
0%
22%
32%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
26%
28%
46%
87%
100%
100%
100%
100%
100%
94%
85%
71%
48%
20%
PRESSURE
hPa · trend
1002
10021004100210031004100410021004100410031001100210021001999100010011000999
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:49 AM
SUNSET
08:27 PM
14H 38M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

38.3917, -90.6378
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 05:45 UTC
Site #07018500·USGS

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