South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 26°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Tuesday
21st Apr
26

6

13

7
Wednesday
22nd Apr
29

11

10

7
Thursday
23rd Apr
24

8

7

5
Friday
24th Apr
14

4

6

6
Saturday
25th Apr
13

3

1

6

5-day weather forecast updated at 04:01 on Tuesday 21st April 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 Tuesday 21st April 2026

Expect clear skies in South Dakota with a maximum temperature of 26°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

26
°C maximum temperature
6
°C minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

South Dakota weather for Wednesday 22nd April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the south.

29
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
37
kph wind from S

South Dakota weather for Thursday 23rd April 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 36 kph from the south.

24
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
46
% chance of some rain
<5
mm of rainfall expected
24
°C wind chill
36
kph wind from S

South Dakota weather for Friday 24th April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 14°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-west.

14
°C maximum temperature
4
°C minimum temperature
scattered clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
14
°C wind chill
30
kph wind from NW

South Dakota weather for Saturday 25th April 2026

Expect broken clouds in South Dakota with a maximum temperature of 13°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.