South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 16°F. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Sunday
14th Dec
16

-9

7

2
Monday
15th Dec
32

16

7

2
Tuesday
16th Dec
39

23

3

2
Wednesday
17th Dec
39

25

1

1
Thursday
18th Dec
37

9

2

2

5-day weather forecast updated at 04:01 on Sunday 14th December 2025 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 Sunday 14th December 2025

Expect scattered clouds in South Dakota with a maximum temperature of 16°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 18 mph from the south.

16
°F maximum temperature
-9
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
0
°F wind chill
18
mph wind from S

South Dakota weather for Monday 15th December 2025

Expect scattered clouds in South Dakota with a maximum temperature of 32°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 14 mph from the south.

32
°F maximum temperature
16
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
23
°F wind chill
14
mph wind from S

South Dakota weather for Tuesday 16th December 2025

Expect broken clouds in South Dakota with a maximum temperature of 39°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

39
°F maximum temperature
23
°F minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
32
°F wind chill
14
mph wind from W

South Dakota weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in South Dakota with a maximum temperature of 39°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 21 mph from the south.

39
°F maximum temperature
25
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
42
% chance of some rain
<2
mm of rainfall expected
28
°F wind chill
21
mph wind from S

South Dakota weather for Thursday 18th December 2025

Expect broken clouds in South Dakota with a maximum temperature of 37°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 30 mph from the north-west.