Waterlands
Big Sioux River
USGS · 06485950
BIG SIOUX RIVER
USGS · 06485950LIVE

BIG SIOUX RIVER AT SIOUX CITY, IA

NORTH SIOUX CITY, SD42.5244°N, -96.4805°W
AIR TEMP
65°F
WIND
8mph NW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
80°
63°
THU
80°
59°
FRI
81°
59°
SAT
87°
59°
SUN
101°
74°
MON
100°
80°
TUE
102°
74°
TIME
WED
1
NOW
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
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
SAT
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
SUN
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
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
TEMP
hourly forecast
78°
mild
78°
79°
80°
80°
80°
79°
78°
76°
73°
70°
68°
68°
67°
65°
63°
62°
61°
59°
61°
66°
70°
72°
74°
76°
77°
78°
79°
80°
79°
79°
77°
76°
74°
72°
69°
65°
64°
63°
60°
59°
60°
60°
61°
65°
69°
73°
76°
77°
78°
80°
81°
81°
81°
81°
80°
77°
73°
69°
67°
65°
62°
60°
59°
61°
65°
64°
65°
66°
68°
68°
71°
76°
81°
85°
87°
87°
83°
81°
80°
80°
77°
74°
73°
74°
75°
78°
77°
76°
75°
74°
74°
78°
83°
88°
92°
95°
97°
99°
101°
101°
100°
99°
95°
92°
90°
88°
85°
84°
83°
82°
82°
81°
80°
80°
WIND
mph · gust · dir
13mph NW
G 22 mph
13
G22
NW
15
G22
NW
14
G23
NW
12
G22
NW
11
G20
NW
10
G17
NW
10
G17
NW
9
G14
NW
9
G13
N
4
G9
NNE
3
G6
WNW
3
G5
WNW
3
G5
N
2
G7
SE
3
WSW
4
G5
NW
4
G9
NNE
2
G3
NW
1
G7
E
3
G9
NE
5
G9
NNE
4
G8
NNE
3
G10
NNE
7
G12
NNE
7
G15
N
7
G13
N
9
G13
N
7
G10
NNE
8
G9
NNE
6
G8
NE
6
G9
NE
7
G9
ENE
5
G8
E
5
G8
ESE
5
G8
E
5
G7
ESE
4
G5
ESE
5
E
7
ESE
5
G9
E
6
G8
E
5
ENE
5
G8
E
7
G10
ESE
8
G12
ESE
11
G12
ESE
12
ESE
13
ESE
14
ESE
14
ESE
14
ESE
14
ESE
13
G14
ESE
12
G15
ESE
12
G16
ESE
13
G20
SE
12
G24
SE
13
G22
SE
13
G24
SE
12
G21
SE
10
G22
SE
8
G24
ESE
8
G27
ESE
8
G26
SE
11
G24
SE
11
G24
SE
10
G24
SE
12
G26
SE
15
G27
SE
15
G24
SE
14
G24
SE
15
G25
SE
16
G26
SE
16
G24
SE
18
G24
SSE
19
G24
SSE
19
G23
SSE
16
G24
SSE
13
G20
SE
13
G21
SE
13
G25
ESE
15
G31
ESE
16
G33
ESE
15
G33
SE
15
G33
SE
15
G32
SE
16
G33
SE
15
G33
SE
16
G32
SE
16
G31
SE
16
G33
SSE
16
G35
SSE
18
G32
SSE
19
G28
S
18
G26
S
18
G24
S
19
G23
S
20
G23
S
20
G24
SSW
21
G25
SSW
21
G26
SSW
20
G26
S
20
G29
S
19
G32
S
19
G35
S
19
G37
SSE
19
G38
S
18
G38
S
19
G38
S
18
G38
S
18
G39
S
18
G39
S
18
G39
S
18
G39
SSE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
1%
2%
3%
2%
3%
5%
5%
6%
6%
7%
6%
2%
1%
1%
1%
0%
1%
1%
1%
3%
3%
3%
3%
3%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
8%
8%
8%
8%
8%
8%
13%
13%
13%
13%
13%
13%
8%
8%
8%
8%
8%
8%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
CLOUDS
cover %
0%
clear
0%
0%
0%
0%
0%
0%
0%
100%
100%
100%
95%
100%
87%
100%
59%
100%
2%
65%
94%
0%
94%
70%
95%
99%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
85%
100%
72%
81%
87%
19%
98%
100%
6%
7%
18%
6%
10%
11%
10%
7%
0%
0%
16%
53%
68%
100%
26%
0%
0%
24%
85%
100%
100%
100%
100%
100%
100%
100%
93%
100%
100%
100%
80%
54%
99%
85%
97%
100%
100%
58%
0%
0%
10%
37%
59%
53%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
5%
0%
7%
6%
0%
0%
0%
0%
0%
0%
0%
0%
9%
22%
38%
61%
87%
PRESSURE
hPa · trend
979
979977977977978976974975974971972970968965964963964964966
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:49 AM
SUNSET
09:07 PM
15H 18M OF DAYLIGHT8H 33M REMAINING
MOON PHASE
Waxing Gibbous
69% illuminated

Station Location

42.5244, -96.4805
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-24 12:34 UTC
Site #06485950·USGS

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