South Dakota weather live forecast

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

Friday
8th May
23

5

12

6
Saturday
9th May
18

7

2

6
Sunday
10th May
18

4

13

4
Monday
11th May
24

3

9

7
Tuesday
12th May
22

11

14

6

5-day weather forecast updated at 04:01 on Friday 8th 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 Friday 8th May 2026

Expect scattered clouds in South Dakota with a maximum temperature of 23°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-west.

23
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
26
kph wind from NW

South Dakota weather for Saturday 9th May 2026

Expect broken clouds in South Dakota with a maximum temperature of 18°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

18
°C maximum temperature
7
°C minimum temperature
broken clouds
2
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from N

South Dakota weather for Sunday 10th May 2026

Expect scattered clouds in South Dakota with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

18
°C maximum temperature
4
°C minimum temperature
scattered clouds
13
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from NW

South Dakota weather for Monday 11th May 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 24°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 27 kph from the south-east.

24
°C maximum temperature
3
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
27
kph wind from SE

South Dakota weather for Tuesday 12th May 2026

Expect scattered clouds in South Dakota with a maximum temperature of 22°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north-west.