Sioux Falls (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 19 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
Light rain changing to overcast by nighttime.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Sioux Falls
Today (18 May 2026)
| Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
 |
|
| Chance of precipitation |
60%
|
60%
|
70%
|
40%
|
10%
|
<5%
|
| Temperature |
14°
|
13°
|
13°
|
12°
|
11°
|
10°
|
| Feels like temperature (°C) |
13°
|
12°
|
11°
|
10°
|
8°
|
8°
|
| Wind direction and speed |
N
9
|
N
10
|
NNW
10
|
NNW
11
|
NNW
13
|
NNW
13
|
| Wind gust (mph) |
18
|
19
|
21
|
23
|
24
|
25
|
| Visibility |
M
|
M
|
M
|
M
|
M
|
G
|
| Humidity |
82%
|
84%
|
86%
|
89%
|
87%
|
85%
|
| UV | 1 | - | - | - | - | - |
Tuesday (19 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
 |
|
|
 |
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
9°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
8°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
9°
|
9°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
4°
|
4°
|
4°
|
3°
|
3°
|
4°
|
5°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
11°
|
10°
|
10°
|
10°
|
9°
|
8°
|
7°
|
| Wind direction and speed (mph) |
NNW
14
|
NW
14
|
NW
14
|
NW
15
|
NW
14
|
NW
14
|
NW
13
|
NW
13
|
NW
14
|
NW
14
|
NW
15
|
NW
14
|
NW
15
|
NW
15
|
NW
14
|
NW
13
|
NW
12
|
NW
12
|
NW
12
|
NW
10
|
NNW
8
|
NNW
6
|
NNW
5
|
NW
5
|
| Wind gust (mph) |
26
|
26
|
26
|
27
|
25
|
24
|
24
|
26
|
27
|
27
|
27
|
28
|
28
|
28
|
26
|
26
|
24
|
23
|
21
|
19
|
14
|
10
|
8
|
8
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
85%
|
84%
|
83%
|
84%
|
84%
|
83%
|
81%
|
76%
|
71%
|
65%
|
58%
|
54%
|
50%
|
45%
|
46%
|
42%
|
41%
|
42%
|
43%
|
48%
|
55%
|
63%
|
68%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 4 | 2 | 1 | 1 | - | - | - | - |
Wednesday (20 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
6°
|
6°
|
6°
|
5°
|
5°
|
6°
|
8°
|
10°
|
11°
|
12°
|
13°
|
14°
|
15°
|
16°
|
16°
|
17°
|
16°
|
16°
|
15°
|
13°
|
13°
|
12°
|
| Feels like temperature (°C) |
7°
|
6°
|
6°
|
5°
|
5°
|
4°
|
3°
|
5°
|
8°
|
9°
|
11°
|
12°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
NW
5
|
NW
4
|
NNW
3
|
N
3
|
NNE
3
|
ENE
3
|
E
3
|
E
3
|
ESE
3
|
SE
4
|
SE
4
|
SE
4
|
SE
4
|
SSE
4
|
SE
5
|
SE
6
|
SE
6
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
6
|
SE
6
|
SSE
6
|
| Wind gust (mph) |
7
|
6
|
5
|
5
|
5
|
5
|
5
|
6
|
9
|
11
|
12
|
13
|
13
|
14
|
15
|
15
|
16
|
15
|
15
|
14
|
12
|
11
|
11
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
76%
|
82%
|
83%
|
85%
|
86%
|
89%
|
78%
|
72%
|
61%
|
47%
|
42%
|
41%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
42%
|
55%
|
57%
|
62%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 1 | 1 | - | - | - | - |
Thursday (21 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
11°
|
12°
|
14°
|
15°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
17°
|
17°
|
16°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
8°
|
9°
|
11°
|
12°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SE
6
|
SE
7
|
SE
8
|
SSE
9
|
SSE
10
|
SSE
10
|
SSE
11
|
SSE
11
|
SE
11
|
SSE
11
|
SE
12
|
SE
12
|
SE
11
|
SE
10
|
SE
10
|
SE
9
|
SE
9
|
| Wind gust (mph) |
11
|
11
|
11
|
11
|
11
|
11
|
11
|
12
|
16
|
18
|
21
|
21
|
23
|
23
|
22
|
22
|
22
|
22
|
21
|
21
|
18
|
17
|
16
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
65%
|
66%
|
71%
|
72%
|
75%
|
78%
|
80%
|
77%
|
74%
|
65%
|
61%
|
54%
|
48%
|
44%
|
44%
|
43%
|
43%
|
44%
|
49%
|
53%
|
58%
|
64%
|
69%
|
73%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 4 | 6 | 6 | 7 | 5 | 5 | 4 | 2 | 1 | 1 | - | - | - | - |
Friday (22 May 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
10%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
13°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
17°
|
17°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
10°
|
11°
|
12°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
16°
|
16°
|
13°
|
| Wind direction and speed (mph) |
SE
8
|
SE
8
|
SE
8
|
SE
8
|
SSE
8
|
SSE
7
|
SSE
7
|
SSE
7
|
SSE
7
|
S
7
|
S
7
|
S
6
|
SSW
7
|
SSW
6
|
SSW
6
|
SSW
6
|
SW
6
|
SW
6
|
SW
6
|
SW
5
|
S
5
|
| Wind gust (mph) |
15
|
15
|
14
|
13
|
13
|
13
|
12
|
14
|
15
|
15
|
15
|
15
|
15
|
15
|
14
|
13
|
13
|
13
|
12
|
11
|
9
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
G
|
VG
|
G
|
| Humidity |
75%
|
78%
|
82%
|
85%
|
87%
|
89%
|
88%
|
88%
|
86%
|
80%
|
77%
|
72%
|
62%
|
58%
|
56%
|
56%
|
52%
|
49%
|
52%
|
54%
|
82%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 5 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 | - |
Saturday (23 May 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
10%
|
| Temperature (°C) |
12°
|
10°
|
10°
|
16°
|
19°
|
21°
|
21°
|
16°
|
| Feels like temperature (°C) |
11°
|
9°
|
9°
|
15°
|
18°
|
19°
|
19°
|
15°
|
| Wind direction and speed (mph) |
S
5
|
SSW
5
|
S
4
|
SSW
6
|
SW
7
|
SW
8
|
SSW
8
|
SE
7
|
| Wind gust (mph) |
8
|
9
|
12
|
16
|
18
|
17
|
14
|
14
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
93%
|
95%
|
71%
|
50%
|
43%
|
47%
|
71%
|
| UV | - | - | 1 | 5 | 8 | 5 | 1 | - |
Sunday (24 May 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
14°
|
12°
|
12°
|
19°
|
24°
|
26°
|
25°
|
20°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
17°
|
22°
|
24°
|
22°
|
18°
|
| Wind direction and speed (mph) |
SSE
8
|
SSE
7
|
SSE
6
|
S
10
|
S
12
|
S
12
|
S
11
|
SSE
9
|
| Wind gust (mph) |
13
|
13
|
19
|
23
|
26
|
25
|
19
|
17
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
| Humidity |
78%
|
83%
|
86%
|
62%
|
42%
|
37%
|
42%
|
58%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
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Forecast for 7pm (UTC-5) Monday
Updated 19:22 (UTC+1) on Mon 18 May 2026
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