Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 29°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Thursday
27th Aug
29

16

10

7
Friday
28th Aug
29

15

9

5
Saturday
29th Aug
33

20

12

7
Sunday
30th Aug
34

23

7

7
Monday
31st Aug
31

19

8

7

5-day weather forecast updated at 04:01 on Thursday 27th August 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 Thursday 27th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

29
°C maximum temperature
16
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
10
kph wind from N

Sioux Falls weather for Friday 28th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 27 kph from the south.

29
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
5
UV index (Moderate)
54
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
27
kph wind from S

Sioux Falls weather for Saturday 29th August 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 12 hours of bright sunshine. There are 5-10 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 25 kph from the south.

33
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
7
UV index (High)
27
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
25
kph wind from S

Sioux Falls weather for Sunday 30th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 19 kph from the south-west.

34
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
19
kph wind from SW

Sioux Falls weather for Monday 31st August 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.