South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 22°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Saturday
23rd May
22

8

8

UV7
Sunday
24th May
27

10

11

UV7
Monday
25th May
30

14

12

UV7
Tuesday
26th May
30

16

11

UV7
Wednesday
27th May
28

16

9

UV8

5-day weather forecast updated at 04:01 on Saturday 23rd 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 Saturday 23rd May 2026

Expect broken clouds in South Dakota with a maximum temperature of 22°C, 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 west.

22
°C maximum temperature
8
°C minimum temperature
broken clouds
8
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

South Dakota weather for Sunday 24th May 2026

Expect isolated thunderstorms in South Dakota with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 21 kph from the south.

27
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
UV7
UV index (High)
44
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from S

South Dakota weather for Monday 25th May 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 12 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 19 kph from the south.

30
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
UV7
UV index (High)
44
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from S

South Dakota weather for Tuesday 26th May 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 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 26 kph from the south.

30
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
UV7
UV index (High)
12
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from S

South Dakota weather for Wednesday 27th May 2026

Expect scattered clouds in South Dakota with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.