Weather Forecast for Sioux Falls
South Dakota, United States of America
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Current Weather - Sioux Falls: 32°C
Current Weather - Sioux Falls: 32°C
South Dakota, United States of America
Partly cloudy
Feels like 34°C
Wind
12 km/h SSW
Humidity
61%
Pressure
1012 mb
UV Index
9
Visibility
16 km
Sunny
Saturday, July 25, 2026
High
42°C
Low
20°C
Rain Chance
6%
Hourly Forecast
37°C
34°C
33°C
28°C
Day Statistics
Maximum Wind
44 km/h
Humidity
66%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
06:09 AM
Sunset
08:57 PM
Moonrise
06:59 PM
Moonset
02:20 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
4.7
μg/m³
PM10
5.3
μg/m³
NO₂
4.4
μg/m³
O₃
84.9
μg/m³
SO₂
0.7
μg/m³
CO
144.5
μg/m³
Partly Cloudy
Sunday, July 26, 2026
High
46°C
Low
25°C
Rain Chance
36%
Hourly Forecast
28°C
26°C
27°C
27°C
25°C
26°C
26°C
27°C
29°C
32°C
33°C
33°C
36°C
38°C
41°C
42°C
45°C
46°C
36°C
32°C
25°C
25°C
26°C
25°C
Day Statistics
Maximum Wind
45 km/h
Humidity
44%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:10 AM
Sunset
08:56 PM
Moonrise
07:46 PM
Moonset
03:12 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
3.9
μg/m³
PM10
4.3
μg/m³
NO₂
4.7
μg/m³
O₃
86.4
μg/m³
SO₂
0.6
μg/m³
CO
134.1
μg/m³
Sunny
Monday, July 27, 2026
High
45°C
Low
22°C
Rain Chance
1%
Hourly Forecast
25°C
23°C
23°C
23°C
23°C
22°C
22°C
23°C
26°C
29°C
33°C
36°C
40°C
42°C
44°C
45°C
45°C
45°C
44°C
43°C
40°C
34°C
31°C
28°C
Day Statistics
Maximum Wind
23 km/h
Humidity
40%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
08:55 PM
Moonrise
08:24 PM
Moonset
04:11 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
3.6
μg/m³
PM10
3.9
μg/m³
NO₂
4.4
μg/m³
O₃
87.3
μg/m³
SO₂
0.7
μg/m³
CO
132.3
μg/m³
Sunny
Tuesday, July 28, 2026
High
42°C
Low
23°C
Rain Chance
57%
Hourly Forecast
27°C
27°C
29°C
28°C
25°C
25°C
25°C
25°C
26°C
29°C
34°C
36°C
38°C
40°C
41°C
42°C
42°C
42°C
41°C
40°C
37°C
28°C
24°C
23°C
Day Statistics
Maximum Wind
27 km/h
Humidity
42%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:12 AM
Sunset
08:54 PM
Moonrise
08:54 PM
Moonset
05:14 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
4.9
μg/m³
PM10
5.4
μg/m³
NO₂
4.2
μg/m³
O₃
90.5
μg/m³
SO₂
0.5
μg/m³
CO
159.8
μg/m³
Sunny
Wednesday, July 29, 2026
High
38°C
Low
22°C
Rain Chance
36%
Hourly Forecast
23°C
22°C
22°C
22°C
22°C
22°C
22°C
23°C
23°C
24°C
29°C
32°C
33°C
34°C
35°C
36°C
37°C
38°C
37°C
35°C
29°C
25°C
26°C
26°C
Day Statistics
Maximum Wind
27 km/h
Humidity
61%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:13 AM
Sunset
08:53 PM
Moonrise
09:19 PM
Moonset
06:19 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
3.5
μg/m³
PM10
3.8
μg/m³
NO₂
10.8
μg/m³
O₃
64.3
μg/m³
SO₂
0.7
μg/m³
CO
189
μg/m³
Sunny
Thursday, July 30, 2026
High
36°C
Low
22°C
Rain Chance
57%
Hourly Forecast
25°C
25°C
24°C
23°C
23°C
23°C
22°C
22°C
25°C
27°C
29°C
31°C
32°C
33°C
34°C
35°C
36°C
36°C
36°C
36°C
31°C
27°C
23°C
22°C
Day Statistics
Maximum Wind
27 km/h
Humidity
52%
Precipitation
3 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:14 AM
Sunset
08:52 PM
Moonrise
09:40 PM
Moonset
07:24 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Sunny
Friday, July 31, 2026
High
33°C
Low
21°C
Rain Chance
77%
Hourly Forecast
22°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
22°C
22°C
25°C
27°C
29°C
30°C
32°C
33°C
33°C
32°C
32°C
29°C
27°C
24°C
23°C
Day Statistics
Maximum Wind
16 km/h
Humidity
75%
Precipitation
11 mm
UV Index
8
Visibility
9 km
Rain Chance
77%
Snow Chance
0%
Sun & Moon
Sunrise
06:15 AM
Sunset
08:51 PM
Moonrise
09:58 PM
Moonset
08:28 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Solar Radiation Data
Shortwave Radiation
552.24
Diffuse Radiation
120.22
DNI
0
GTI
0
Weather Alerts
Heat Advisory issued July 24 at 11:24PM CDT until July 26 at 8:00PM CDT by NWS Sioux Falls SD
* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...From noon Saturday to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 25 at 8:34AM CDT until July 26 at 8:00PM CDT by NWS Sioux Falls SD
* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...From noon today to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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