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
11th Aug
30

22

7

5
Wednesday
12th Aug
29

21

8

6
Thursday
13th Aug
25

20

3

6
Friday
14th Aug
24

20

2

3
Saturday
15th Aug
27

20

4

3

5-day weather forecast updated at 04:00 on Tuesday 11th 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 11th 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 5 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
25
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Sioux Falls weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 29°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 25% chance of some rain and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
25
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

Sioux Falls weather for Thursday 13th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 25°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 17 kph from the east.

25
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
56
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from E

Sioux Falls weather for Friday 14th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 21 kph from the south-east.

24
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
60
% chance of some rain
<10
mm of rainfall expected
24
°C wind chill
21
kph wind from SE

Sioux Falls weather for Saturday 15th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 14 kph from the south-east.