South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 10°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Saturday
18th Apr
10

-2

9

5
Sunday
19th Apr
13

0

12

5
Monday
20th Apr
23

-1

11

7
Tuesday
21st Apr
25

7

14

7
Wednesday
22nd Apr
31

9

9

6

5-day weather forecast updated at 04:01 on Saturday 18th 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 Saturday 18th April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-west.

10
°C maximum temperature
-2
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
6
°C wind chill
30
kph wind from NW

South Dakota weather for Sunday 19th April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

13
°C maximum temperature
0
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

South Dakota weather for Monday 20th April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 23°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.

23
°C maximum temperature
-1
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
29
kph wind from S

South Dakota weather for Tuesday 21st April 2026

Expect clear skies in South Dakota with a maximum temperature of 25°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

25
°C maximum temperature
7
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
16
kph wind from NE

South Dakota weather for Wednesday 22nd April 2026

Expect scattered clouds in South Dakota with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south.