Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 23°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Friday
31st Jul
23

18

7

7
Saturday
1st Aug
26

17

14

8
Sunday
2nd Aug
28

17

14

8
Monday
3rd Aug
29

19

13

8
Tuesday
4th Aug
22

17

6

7

5-day weather forecast updated at 04:01 on Friday 31st July 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 Friday 31st July 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 23°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 57% chance of some rain and a fresh breeze of 31 kph from the north.

23
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
57
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
31
kph wind from N

Sioux Falls weather for Saturday 1st August 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

26
°C maximum temperature
17
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from N

Sioux Falls weather for Sunday 2nd August 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

28
°C maximum temperature
17
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from S

Sioux Falls weather for Monday 3rd 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 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south.

29
°C maximum temperature
19
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from S

Sioux Falls weather for Tuesday 4th August 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 22°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 18 kph from the north.