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
Light rain
Feels like 21°C
Wind
10 km/h SSE
Humidity
76%
Pressure
1014 mb
UV Index
0
Visibility
16 km
Sunny
Friday, July 03, 2026
High
32°C
Low
18°C
Rain Chance
77%
Hourly Forecast
30°C
21°C
24°C
29°C
31°C
32°C
32°C
31°C
29°C
26°C
25°C
24°C
24°C
Day Statistics
Maximum Wind
22 km/h
Humidity
79%
Precipitation
21 mm
UV Index
8
Visibility
8 km
Rain Chance
77%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
09:11 PM
Moonrise
11:34 PM
Moonset
09:32 AM
Moon Phase
Waning Gibbous
Moon Illumination
79%
Air Quality
PM2.5
6.3
μg/m³
PM10
9
μg/m³
NO₂
5.6
μg/m³
O₃
71.2
μg/m³
SO₂
0.5
μg/m³
CO
116.1
μg/m³
Sunny
Saturday, July 04, 2026
High
29°C
Low
18°C
Rain Chance
73%
Hourly Forecast
23°C
23°C
20°C
18°C
18°C
18°C
18°C
18°C
20°C
22°C
23°C
24°C
26°C
27°C
28°C
28°C
29°C
29°C
28°C
28°C
26°C
23°C
22°C
21°C
Day Statistics
Maximum Wind
30 km/h
Humidity
77%
Precipitation
12 mm
UV Index
8
Visibility
9 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
09:11 PM
Moonrise
11:52 PM
Moonset
10:35 AM
Moon Phase
Waning Gibbous
Moon Illumination
70%
Air Quality
PM2.5
4.8
μg/m³
PM10
6.1
μg/m³
NO₂
6.2
μg/m³
O₃
67
μg/m³
SO₂
0.2
μg/m³
CO
115.7
μg/m³
Sunny
Sunday, July 05, 2026
High
30°C
Low
18°C
Rain Chance
60%
Hourly Forecast
21°C
20°C
19°C
19°C
19°C
18°C
18°C
19°C
21°C
22°C
24°C
26°C
28°C
28°C
29°C
30°C
30°C
30°C
29°C
28°C
26°C
24°C
22°C
21°C
Day Statistics
Maximum Wind
16 km/h
Humidity
77%
Precipitation
2 mm
UV Index
9
Visibility
9 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
09:10 PM
Moonrise
Does not rise today
Moonset
11:38 AM
Moon Phase
Last Quarter
Moon Illumination
60%
Air Quality
PM2.5
4.6
μg/m³
PM10
5.3
μg/m³
NO₂
7.7
μg/m³
O₃
71.6
μg/m³
SO₂
0.2
μg/m³
CO
136.9
μg/m³
Sunny
Monday, July 06, 2026
High
30°C
Low
18°C
Rain Chance
8%
Hourly Forecast
20°C
19°C
19°C
18°C
18°C
18°C
18°C
19°C
21°C
23°C
25°C
26°C
27°C
29°C
29°C
30°C
30°C
30°C
30°C
29°C
27°C
24°C
22°C
22°C
Day Statistics
Maximum Wind
14 km/h
Humidity
75%
Precipitation
0 mm
UV Index
9
Visibility
7 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:52 AM
Sunset
09:10 PM
Moonrise
12:10 AM
Moonset
12:42 PM
Moon Phase
Last Quarter
Moon Illumination
49%
Air Quality
PM2.5
4.3
μg/m³
PM10
4.9
μg/m³
NO₂
8.5
μg/m³
O₃
72.7
μg/m³
SO₂
1
μg/m³
CO
138.3
μg/m³
Sunny
Tuesday, July 07, 2026
High
32°C
Low
19°C
Rain Chance
5%
Hourly Forecast
21°C
20°C
20°C
20°C
19°C
19°C
19°C
19°C
22°C
25°C
26°C
28°C
30°C
30°C
31°C
31°C
32°C
31°C
31°C
30°C
29°C
27°C
25°C
23°C
Day Statistics
Maximum Wind
15 km/h
Humidity
70%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:53 AM
Sunset
09:10 PM
Moonrise
12:28 AM
Moonset
01:48 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
5
μg/m³
PM10
5.3
μg/m³
NO₂
15.5
μg/m³
O₃
47.5
μg/m³
SO₂
1.2
μg/m³
CO
177.4
μg/m³
Sunny
Wednesday, July 08, 2026
High
29°C
Low
19°C
Rain Chance
66%
Hourly Forecast
22°C
21°C
21°C
20°C
20°C
20°C
20°C
20°C
22°C
24°C
25°C
26°C
28°C
29°C
28°C
27°C
27°C
26°C
25°C
24°C
23°C
21°C
19°C
20°C
Day Statistics
Maximum Wind
26 km/h
Humidity
77%
Precipitation
5 mm
UV Index
7
Visibility
10 km
Rain Chance
66%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
09:09 PM
Moonrise
12:47 AM
Moonset
02:57 PM
Moon Phase
Waning Crescent
Moon Illumination
28%
Sunny
Thursday, July 09, 2026
High
32°C
Low
20°C
Rain Chance
22%
Hourly Forecast
20°C
21°C
21°C
21°C
21°C
21°C
21°C
20°C
22°C
23°C
25°C
27°C
28°C
30°C
31°C
32°C
32°C
32°C
32°C
32°C
30°C
27°C
25°C
25°C
Day Statistics
Maximum Wind
30 km/h
Humidity
75%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
22%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
09:09 PM
Moonrise
01:10 AM
Moonset
04:10 PM
Moon Phase
Waning Crescent
Moon Illumination
19%
Weather Alerts
Flood Watch issued July 2 at 1:17PM CDT until July 3 at 7:00AM CDT by NWS Sioux Falls SD
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest and west central Iowa, including the following areas, in northwest Iowa, Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola, Plymouth and Sioux. In west central Iowa, Ida and Woodbury. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Rainfall of 1 to 3 inches with isolated amounts exceeding 4 inches are expected. Some creeks and smaller rivers may rise to flood stage by this weekend. - Stay up to date with the latest river observations and forecasts at: water.noaa.gov
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