South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 30°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Monday
10th Aug
30

21

7

6
Tuesday
11th Aug
29

20

7

6
Wednesday
12th Aug
30

20

6

6
Thursday
13th Aug
25

19

8

5
Friday
14th Aug
21

18

1

6

5-day weather forecast updated at 04:01 on Monday 10th 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 10th August 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 16 kph from the east.

30
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
39
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

South Dakota weather for Tuesday 11th August 2026

Expect broken clouds in South Dakota with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

South Dakota weather for Wednesday 12th August 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the north-east.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NE

South Dakota weather for Thursday 13th August 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 8 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.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
37
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
17
kph wind from E

South Dakota weather for Friday 14th August 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 21°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 52% chance of some rain and a moderate breeze of 22 kph from the south-east.