South Dakota weather live forecast

Today's maximum temperature in South Dakota is expected to be 4°C. Select a day from the live weather forecast for South Dakota (Sioux Falls), USA for more weather parameters.

Thursday
15th Jan
4

-9

2

1
Friday
16th Jan
-1

-14

1

1
Saturday
17th Jan
-14

-17

3

1
Sunday
18th Jan
-2

-17

1

1
Monday
19th Jan
-10

-17

5

1

5-day weather forecast updated at 04:01 on Thursday 15th January 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 Thursday 15th January 2026

Expect mostly cloudy with light snow in South Dakota with a maximum temperature of 4°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a fresh breeze of 33 kph from the north-west.

4
°C maximum temperature
-9
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
25
% chance of some snow
<2
cm of snow expected
-1
°C wind chill
33
kph wind from NW

South Dakota weather for Friday 16th January 2026

Expect mostly cloudy with light snow in South Dakota with a maximum temperature of -1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 20% chance of some snow and a strong breeze of 42 kph from the north-west.

-1
°C maximum temperature
-14
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
20
% chance of some snow
<2
cm of snow expected
-9
°C wind chill
42
kph wind from NW

South Dakota weather for Saturday 17th January 2026

Expect broken clouds in South Dakota with a maximum temperature of -14°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 34 kph from the north-west.

-14
°C maximum temperature
-17
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-25
°C wind chill
34
kph wind from NW

South Dakota weather for Sunday 18th January 2026

Expect broken clouds in South Dakota with a maximum temperature of -2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 37 kph from the north-west.

-2
°C maximum temperature
-17
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-10
°C wind chill
37
kph wind from NW

South Dakota weather for Monday 19th January 2026

Expect scattered clouds in South Dakota with a maximum temperature of -10°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 32 kph from the north-west.