Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 9°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Wednesday
18th Mar
9

-4

4

7
Thursday
19th Mar
14

0

10

6
Friday
20th Mar
21

4

10

6
Saturday
21st Mar
24

6

12

5
Sunday
22nd Mar
6

-2

1

4

5-day weather forecast updated at 04:01 on Wednesday 18th March 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.

Sioux Falls weather forecast by day

Below are the detailed weather forecasts for Sioux Falls for the next 5 days.

Sioux Falls weather for Wednesday 18th March 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 9°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

9
°C maximum temperature
-4
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
7
°C wind chill
12
kph wind from W

Sioux Falls weather for Thursday 19th March 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 14°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

14
°C maximum temperature
0
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
14
°C wind chill
13
kph wind from NW

Sioux Falls weather for Friday 20th March 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 21°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

21
°C maximum temperature
4
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NW

Sioux Falls weather for Saturday 21st March 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

24
°C maximum temperature
6
°C minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
23
kph wind from SW

Sioux Falls weather for Sunday 22nd March 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.