Weather Forecast for Sioux Falls
South Dakota, United States of America
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Current Weather - Sioux Falls: 21°C
Current Weather - Sioux Falls: 21°C
South Dakota, United States of America
Clear
Feels like 22°C
Wind
11 km/h NW
Humidity
88%
Pressure
1017 mb
UV Index
0
Visibility
10 km
Sunny
Sunday, August 16, 2026
High
31°C
Low
17°C
Rain Chance
2%
Hourly Forecast
19°C
22°C
24°C
26°C
28°C
29°C
30°C
31°C
31°C
31°C
31°C
30°C
26°C
23°C
21°C
20°C
Day Statistics
Maximum Wind
17 km/h
Humidity
52%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
08:29 PM
Moonrise
11:11 AM
Moonset
10:08 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
1.5
μg/m³
PM10
1.5
μg/m³
NO₂
4.6
μg/m³
O₃
60.9
μg/m³
SO₂
0.4
μg/m³
CO
147.3
μg/m³
Sunny
Monday, August 17, 2026
High
34°C
Low
18°C
Rain Chance
3%
Hourly Forecast
20°C
19°C
19°C
19°C
19°C
19°C
18°C
18°C
20°C
23°C
25°C
28°C
29°C
31°C
32°C
33°C
34°C
33°C
33°C
32°C
30°C
28°C
27°C
26°C
Day Statistics
Maximum Wind
25 km/h
Humidity
55%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:34 AM
Sunset
08:27 PM
Moonrise
12:25 PM
Moonset
10:33 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
3.9
μg/m³
PM10
4
μg/m³
NO₂
13.7
μg/m³
O₃
51.9
μg/m³
SO₂
0.4
μg/m³
CO
164.8
μg/m³
Patchy rain nearby
Tuesday, August 18, 2026
High
29°C
Low
18°C
Rain Chance
80%
Hourly Forecast
26°C
20°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
19°C
22°C
25°C
26°C
28°C
29°C
29°C
28°C
26°C
23°C
23°C
20°C
19°C
18°C
Day Statistics
Maximum Wind
22 km/h
Humidity
81%
Precipitation
16 mm
UV Index
7
Visibility
9 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
08:26 PM
Moonrise
01:39 PM
Moonset
11:01 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
1.6
μg/m³
PM10
1.7
μg/m³
NO₂
4.7
μg/m³
O₃
63.2
μg/m³
SO₂
0.4
μg/m³
CO
141.2
μg/m³
Sunny
Wednesday, August 19, 2026
High
29°C
Low
16°C
Rain Chance
60%
Hourly Forecast
18°C
17°C
17°C
17°C
17°C
17°C
16°C
17°C
17°C
18°C
23°C
21°C
22°C
28°C
28°C
29°C
29°C
28°C
26°C
24°C
23°C
21°C
20°C
19°C
Day Statistics
Maximum Wind
16 km/h
Humidity
77%
Precipitation
2 mm
UV Index
7
Visibility
7 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
08:24 PM
Moonrise
02:50 PM
Moonset
11:35 PM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
2.6
μg/m³
PM10
2.7
μg/m³
NO₂
5.3
μg/m³
O₃
52.9
μg/m³
SO₂
0.3
μg/m³
CO
147.8
μg/m³
Sunny
Thursday, August 20, 2026
High
29°C
Low
16°C
Rain Chance
9%
Hourly Forecast
18°C
17°C
17°C
17°C
16°C
16°C
16°C
16°C
18°C
20°C
21°C
23°C
25°C
27°C
28°C
28°C
29°C
27°C
26°C
24°C
23°C
21°C
19°C
19°C
Day Statistics
Maximum Wind
14 km/h
Humidity
76%
Precipitation
0 mm
UV Index
7
Visibility
7 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
08:23 PM
Moonrise
03:56 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Sunny
Friday, August 21, 2026
High
29°C
Low
16°C
Rain Chance
6%
Hourly Forecast
18°C
18°C
17°C
17°C
17°C
16°C
16°C
16°C
18°C
21°C
23°C
25°C
26°C
28°C
29°C
29°C
29°C
29°C
28°C
27°C
25°C
23°C
21°C
20°C
Day Statistics
Maximum Wind
15 km/h
Humidity
70%
Precipitation
0 mm
UV Index
7
Visibility
8 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
08:21 PM
Moonrise
04:55 PM
Moonset
12:17 AM
Moon Phase
First Quarter
Moon Illumination
69%
Sunny
Saturday, August 22, 2026
High
32°C
Low
16°C
Rain Chance
3%
Hourly Forecast
20°C
19°C
18°C
18°C
17°C
17°C
17°C
16°C
19°C
22°C
25°C
27°C
29°C
31°C
31°C
32°C
32°C
31°C
30°C
29°C
28°C
27°C
26°C
26°C
Day Statistics
Maximum Wind
31 km/h
Humidity
59%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:39 AM
Sunset
08:19 PM
Moonrise
05:45 PM
Moonset
01:06 AM
Moon Phase
Waxing Gibbous
Moon Illumination
78%
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