Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 27°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Wednesday
26th Aug
27

17

11

7
Thursday
27th Aug
28

15

11

7
Friday
28th Aug
31

15

8

6
Saturday
29th Aug
34

19

9

7
Sunday
30th Aug
33

23

6

7

5-day weather forecast updated at 04:01 on Wednesday 26th 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 Wednesday 26th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

27
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from NW

Sioux Falls weather for Thursday 27th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

28
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
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 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 26 kph from the south.

31
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
36
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
26
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 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 26 kph from the south.

34
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
32
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
26
kph wind from S

Sioux Falls weather for Sunday 30th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.