Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 32°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Wednesday
15th Jul
32

23

13

9
Thursday
16th Jul
32

23

13

9
Friday
17th Jul
35

23

11

9
Saturday
18th Jul
34

24

14

10
Sunday
19th Jul
35

22

11

9

5-day weather forecast updated at 04:01 on Wednesday 15th July 2026 GMT

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The 5-day weather forecast for South Dakota (Sioux Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sioux Falls weather forecast by day

Below are the detailed weather forecasts for Sioux Falls for the next 5 days.

Sioux Falls weather for Wednesday 15th July 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

32
°C maximum temperature
23
°C minimum temperature
clear skies
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from S

Sioux Falls weather for Thursday 16th July 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

32
°C maximum temperature
23
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Sioux Falls weather for Friday 17th July 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

35
°C maximum temperature
23
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from S

Sioux Falls weather for Saturday 18th July 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

34
°C maximum temperature
24
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from NE

Sioux Falls weather for Sunday 19th July 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 13 kph from the south.