South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 31°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Thursday
28th May
31

20

8

7
Friday
29th May
26

20

2

5
Saturday
30th May
26

19

7

7
Sunday
31st May
27

18

5

4
Monday
1st Jun
28

18

6

8

5-day weather forecast updated at 04:01 on Thursday 28th May 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.

Top South Dakota destinations

Below are temperatures expected today at popular countries, regions and places in South Dakota. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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South Dakota weather forecast by day

Below are the detailed weather forecasts for South Dakota for the next 5 days. The forecasts shown are for Sioux Falls and may not represent the whole of South Dakota. Browse more destinations in South Dakota to view more weather forecasts.

South Dakota weather for Thursday 28th May 2026

Expect broken clouds in South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

31
°C maximum temperature
20
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from SE

South Dakota weather for Friday 29th May 2026

Expect mostly cloudy with light rain in South Dakota with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 21 kph from the south-east.

26
°C maximum temperature
20
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
21
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from SE

South Dakota weather for Saturday 30th May 2026

Expect sunshine and showers in South Dakota with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 28 kph from the south-east.

26
°C maximum temperature
19
°C minimum temperature
sunshine and showers
7
hours of sunshine
7
UV index (High)
51
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
28
kph wind from SE

South Dakota weather for Sunday 31st May 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 22 kph from the south-east.

27
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
47
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
22
kph wind from SE

South Dakota weather for Monday 1st June 2026

Expect broken clouds in South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.