Waterlands
Big Sioux River
USGS · 06479438
BIG SIOUX RIVER
USGS · 06479438LIVE

Big Sioux R nr Watertown, SD

CODINGTON COUNTY, SD44.9424°N, -97.1463°W Updated 8 hr ago
FLOW RATE
360cfs
GAUGE HT
7.66ft
AIR TEMP
70°F
WIND
7mph S
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
360cfs 29.9% vs avg
Optimal band: 8–10 cfs
PERIOD HIGH
862cfs
PERIOD LOW
3cfs
RUNNABLE
32%
last 30 day in band

Gauge Height

7.66ft
Precipitation History
Your History · Big Sioux R nr Watertown, SD

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Weather Conditions
WEATHER CONDITIONS
TODAY
92°
67°
MON
92°
67°
TUE
97°
66°
WED
97°
66°
THU
101°
68°
FRI
89°
64°
SAT
90°
65°
TIME
SUN
8
NOW
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
1
am
2
am
TEMP
hourly forecast
74°
mild
74°
77°
81°
84°
87°
89°
91°
92°
92°
92°
92°
90°
86°
82°
78°
76°
74°
73°
72°
70°
69°
68°
67°
68°
74°
79°
83°
86°
88°
90°
91°
92°
92°
92°
92°
89°
86°
81°
77°
75°
74°
74°
73°
72°
70°
68°
66°
66°
72°
77°
82°
86°
89°
92°
94°
96°
97°
97°
96°
92°
86°
80°
80°
80°
77°
74°
73°
72°
69°
66°
66°
67°
72°
78°
83°
87°
90°
93°
95°
96°
97°
97°
96°
93°
85°
82°
81°
80°
78°
76°
74°
73°
72°
70°
68°
69°
73°
78°
84°
89°
93°
97°
99°
100°
101°
101°
101°
98°
95°
91°
88°
86°
84°
81°
76°
WIND
mph · gust · dir
11mph SSW
G 22 mph
11
G22
SSW
12
G26
SSW
12
G22
SW
13
G19
SW
13
G17
SSW
12
G16
SSW
12
G15
SSW
13
G17
SSW
13
G18
SSW
13
G17
SSW
12
G17
SSW
12
G18
SSW
9
G18
SSW
7
G15
S
7
G17
S
7
G19
S
7
G17
S
7
G19
S
7
G19
S
7
G19
S
6
G18
S
6
G17
S
6
G17
S
6
G17
SSW
10
G27
SSW
13
G26
SW
14
G24
SW
15
G23
SSW
16
G23
SSW
16
G22
SSW
16
G22
SSW
15
G20
SSW
14
G20
SSW
14
G18
SSW
13
G19
S
12
G20
S
10
G21
S
8
G17
S
8
G19
S
9
G22
S
10
G28
S
13
G33
S
14
G38
S
13
G35
S
12
G33
SSW
10
G30
SSW
8
G28
SSW
8
G29
SSW
10
G26
SSW
12
G21
SW
12
G17
SW
12
G15
SW
11
G13
SSW
10
G11
SSW
10
G11
SSW
10
G12
S
9
G13
S
10
G13
S
10
G13
S
9
G16
SSE
9
G18
SE
11
G23
SE
14
G30
SSE
15
G31
SSE
13
G32
S
12
G33
S
12
G33
S
12
G31
S
10
G28
S
9
G24
S
8
G24
S
8
G23
SSW
10
G20
SSW
10
G15
SSW
11
G13
SSW
11
SSW
8
SSW
7
G8
S
8
G11
S
9
G12
S
9
G12
S
11
G13
S
12
G13
SSE
10
G17
SSE
10
G20
SE
13
G29
SE
14
G33
SSE
15
G36
SSE
15
G34
S
14
G35
S
13
G35
S
13
G35
S
13
G33
S
10
G31
S
9
G26
S
9
G25
S
11
G24
S
12
G19
SSW
12
G17
SSW
13
G17
SSW
14
G18
SSW
15
G18
SSW
15
G17
SSW
14
G16
SSW
14
G16
SSW
13
G16
SSW
11
G15
S
9
G14
S
10
G22
S
12
G32
S
13
G37
S
13
G30
S
11
G17
SSW
9
SW
6
G8
WSW
PRECIP
chance %
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
3%
CLOUDS
cover %
0%
clear
0%
1%
2%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
4%
0%
5%
0%
100%
26%
6%
0%
100%
100%
82%
77%
90%
61%
93%
15%
17%
29%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
93%
7%
100%
12%
5%
6%
5%
0%
0%
0%
0%
0%
0%
0%
5%
5%
10%
5%
11%
11%
7%
51%
100%
100%
9%
11%
100%
100%
5%
0%
10%
79%
9%
89%
100%
100%
21%
12%
5%
0%
5%
6%
13%
100%
100%
100%
84%
50%
28%
36%
56%
69%
65%
PRESSURE
hPa · trend
960
960961959958960960958958960958955957957955952954953951948950
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:54 AM
SUNSET
09:14 PM
15H 20M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

44.9424, -97.1463
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #06479438·USGS

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