Waterlands
Elm River
USGS · 06471500
ELM RIVER
USGS · 06471500LIVE

Elm River at Westport, SD

BROWN COUNTY, SD45.6560°N, -98.4975°W Updated 1 hr ago
FLOW RATE
44cfs
AIR TEMP
76°F
WIND
14mph SE
FISH INDEX
63SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
44cfs 33.4% vs avg
Optimal band: 48–66 cfs
PERIOD HIGH
74cfs
PERIOD LOW
44cfs
RUNNABLE
38%
last 7 day in band
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

11.9in

≈ normal

11.86 in of precipitation so far this year — about average for this point in the season (normal 12.5 in).

YTD Total

11.9in

This year so far

Normal to Date

12.5in

30-yr average

Typical Range

7.6–16.6in

10th–90th pct YTD

Departure

-5%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.34" · normal 0.74" (0.2–1.3)
Jan
Feb: 1.22" · normal 0.79" (0.3–1.3)
Feb
Mar: 1.01" · normal 1.37" (0.5–2.9)
Mar
Apr: 2.20" · normal 2.29" (1.3–3.6)
Apr
May: 3.21" · normal 3.44" (1.8–5.2)
May
Jun: 3.87" (so far)· normal 4.02" (2.1–6.3)
Jun
Jul: normal 3.01" (0.8–5.9)
Jul
Aug: normal 2.69" (0.9–4.3)
Aug
Sep: normal 2.41" (0.9–4.3)
Sep
Oct: normal 2.10" (0.9–3.9)
Oct
Nov: normal 0.99" (0.1–2.2)
Nov
Dec: normal 0.83" (0.2–1.7)
Dec
Baseline 1991–2020 · Source: Open-Meteo12:06 AM
Your History · Elm River at Westport, SD

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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
64°
SUN
80°
63°
MON
90°
67°
TUE
84°
59°
WED
91°
61°
THU
83°
61°
FRI
90°
61°
TIME
SUN
1
NOW
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
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
TEMP
hourly forecast
70°
mild
70°
66°
66°
65°
64°
63°
64°
65°
68°
71°
74°
77°
74°
74°
75°
77°
78°
79°
80°
79°
76°
73°
71°
70°
70°
70°
69°
68°
69°
69°
71°
72°
73°
67°
74°
81°
86°
90°
90°
90°
89°
88°
85°
79°
75°
72°
71°
68°
67°
63°
61°
60°
59°
61°
61°
63°
66°
69°
73°
76°
78°
80°
81°
82°
83°
84°
83°
79°
74°
71°
70°
69°
68°
67°
65°
64°
63°
64°
65°
69°
73°
77°
77°
81°
84°
87°
89°
91°
91°
91°
89°
73°
71°
62°
61°
61°
62°
62°
62°
62°
62°
62°
64°
66°
68°
71°
74°
77°
79°
81°
82°
83°
83°
82°
79°
WIND
mph · gust · dir
11mph SE
G 26 mph
11
G26
SE
3
G10
N
17
G27
NNE
20
G30
ESE
17
G27
ESE
21
G36
SE
7
G19
ESE
6
G10
NNW
7
G20
ESE
8
G20
SE
12
G28
SSE
12
G21
SSE
9
G16
S
7
G11
SSW
6
G8
SSW
5
G7
S
4
G6
SSE
2
G7
SSE
3
G8
SSW
2
G5
ESE
4
G6
E
6
G9
E
6
G12
E
6
G13
ENE
7
G14
ENE
5
G12
ENE
6
G12
ENE
7
G14
ENE
12
G22
ENE
9
G18
ENE
13
G27
ENE
10
G22
E
5
N
17
G24
NNW
17
G27
ENE
14
G21
ESE
13
G21
W
18
G26
SW
19
G27
SW
19
G29
WSW
18
G33
SW
13
G30
SW
12
G30
SW
9
G29
WSW
8
G18
SSW
10
G28
S
10
G32
SSW
11
G25
WSW
13
WNW
9
G20
WNW
8
SW
9
G14
SW
10
G25
WSW
15
G20
W
15
G24
W
14
G24
W
14
G22
W
13
G20
W
14
G19
W
15
G21
WSW
16
G24
WSW
18
G24
WSW
18
G25
WSW
17
G26
WSW
17
G28
WSW
14
G29
WSW
12
G27
WSW
8
G23
WSW
7
G17
WSW
6
G17
WSW
6
G9
W
4
G6
WNW
3
G4
SW
4
G5
NW
4
NNE
5
NE
4
NE
4
ENE
5
NNE
6
NE
8
ENE
9
ESE
9
SE
8
G11
E
8
G10
ESE
8
G12
ESE
7
G13
ESE
9
G14
SE
11
G19
SSE
7
G20
SE
9
G19
E
18
G21
ENE
6
G17
NE
22
NW
8
G11
NNE
6
G8
NNE
6
G7
N
6
NNW
8
N
7
NNE
6
N
6
N
6
N
7
N
7
N
8
N
8
NNE
9
NNE
10
NNE
10
NE
9
NE
10
NE
10
NE
11
NE
12
NE
PRECIP
chance %
35%
35%
62%
69%
62%
44%
23%
11%
13%
11%
12%
10%
8%
9%
7%
3%
3%
4%
1%
1%
2%
3%
2%
1%
1%
0%
0%
1%
1%
2%
2%
9%
50%
50%
50%
50%
50%
50%
23%
23%
23%
23%
23%
23%
5%
5%
5%
5%
5%
5%
9%
9%
9%
9%
9%
9%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
11%
11%
11%
11%
11%
11%
5%
5%
5%
5%
5%
5%
6%
6%
6%
6%
6%
6%
30%
30%
30%
30%
30%
30%
35%
35%
35%
35%
35%
35%
14%
14%
14%
14%
14%
14%
6%
6%
6%
6%
6%
6%
10%
10%
10%
10%
10%
10%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
76%
98%
3%
20%
100%
100%
100%
100%
100%
100%
53%
23%
23%
2%
0%
0%
0%
1%
4%
13%
27%
25%
25%
33%
100%
97%
100%
100%
85%
33%
4%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
82%
100%
10%
100%
100%
100%
100%
100%
100%
100%
75%
100%
89%
64%
0%
10%
0%
96%
49%
44%
70%
100%
100%
100%
100%
0%
5%
0%
0%
14%
47%
100%
100%
100%
92%
66%
31%
6%
0%
0%
2%
11%
24%
40%
PRESSURE
hPa · trend
957
957955955956955948949952956958960962963964963959960960963962
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
63
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
09:27 PM
15H 41M OF DAYLIGHT19H 58M REMAINING
MOON PHASE
Waxing Gibbous
96% illuminated

Station Location

45.6560, -98.4975
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 01:29 UTC
Site #06471500·USGS

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