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.

Monday
31st Aug
31

22

8

7
Tuesday
1st Sep
29

20

3

4
Wednesday
2nd Sep
30

19

5

7
Thursday
3rd Sep
31

19

9

7
Friday
4th Sep
33

22

9

7

5-day weather forecast updated at 04:01 on Monday 31st 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.

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 Monday 31st August 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 gentle breeze of 15 kph from the north.

31
°C maximum temperature
22
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from N

South Dakota weather for Tuesday 1st September 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 16 kph from the east.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
77
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

South Dakota weather for Wednesday 2nd September 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 15 kph from the east.

30
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
25
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

South Dakota weather for Thursday 3rd September 2026

Expect scattered clouds in South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

31
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

South Dakota weather for Friday 4th September 2026

Expect sunshine and showers in South Dakota with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 17 kph from the south-east.