Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 30°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Tuesday
25th Aug
30

18

11

6
Wednesday
26th Aug
27

16

8

5
Thursday
27th Aug
28

14

11

7
Friday
28th Aug
30

13

9

7
Saturday
29th Aug
31

19

10

7

5-day weather forecast updated at 04:01 on Tuesday 25th 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 Tuesday 25th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

30
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from W

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 5 (Moderate) and 8 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
16
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
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
14
°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 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 23 kph from the south.

30
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
38
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
23
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 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 23 kph from the south.