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.

Saturday
8th Aug
29

15

11

7
Sunday
9th Aug
29

20

4

5
Monday
10th Aug
29

20

8

5
Tuesday
11th Aug
28

20

7

5
Wednesday
12th Aug
28

19

6

7

5-day weather forecast updated at 04:01 on Saturday 8th 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 Saturday 8th 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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

29
°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
22
kph wind from S

Sioux Falls weather for Sunday 9th August 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

29
°C maximum temperature
20
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from NE

Sioux Falls weather for Monday 10th August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

29
°C maximum temperature
20
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

Sioux Falls weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 17 kph from the east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
37
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
17
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 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 14 kph from the north-east.