Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 36°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Sunday
26th Jul
36

22

6

9
Monday
27th Jul
34

25

13

8
Tuesday
28th Jul
32

24

13

8
Wednesday
29th Jul
32

23

14

8
Thursday
30th Jul
28

22

10

8

5-day weather forecast updated at 04:01 on Sunday 26th 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 Sunday 26th July 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

36
°C maximum temperature
22
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from S

Sioux Falls weather for Monday 27th July 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

34
°C maximum temperature
25
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
17
kph wind from NE

Sioux Falls weather for Tuesday 28th 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 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

32
°C maximum temperature
24
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

Sioux Falls weather for Wednesday 29th 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 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

32
°C maximum temperature
23
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from S

Sioux Falls weather for Thursday 30th July 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 21 kph from the south.