Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 33°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Saturday
5th Sep
33

25

7

7
Sunday
6th Sep
31

23

6

3
Monday
7th Sep
32

22

7

7
Tuesday
8th Sep
31

20

7

7
Wednesday
9th Sep
27

17

12

7

5-day weather forecast updated at 04:01 on Saturday 5th September 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 Saturday 5th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 17 kph from the south-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
33
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
17
kph wind from SE

Sioux Falls weather for Sunday 6th September 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

31
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SE

Sioux Falls weather for Monday 7th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 34% chance of some rain and a fresh breeze of 30 kph from the south.

32
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
34
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from S

Sioux Falls weather for Tuesday 8th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 25 kph from the south.

31
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
40
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from S

Sioux Falls weather for Wednesday 9th September 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.