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 Feb
9

-5

8

2
Thursday
19th Feb
1

-9

4

1
Friday
20th Feb
-2

-12

7

2
Saturday
21st Feb
-1

-14

7

2
Sunday
22nd Feb
-1

-15

11

2

5-day weather forecast updated at 04:02 on Wednesday 18th February 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 February 2026

Expect sunshine and showers in Sioux Falls, South Dakota with a maximum temperature of 9°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a strong breeze of 40 kph from the west.

9
°C maximum temperature
-5
°C minimum temperature
sunshine and showers
8
hours of sunshine
2
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
40
kph wind from W

Sioux Falls weather for Thursday 19th February 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 1°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

1
°C maximum temperature
-9
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-5
°C wind chill
28
kph wind from N

Sioux Falls weather for Friday 20th February 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of -2°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 26 kph from the north-west.

-2
°C maximum temperature
-12
°C minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-8
°C wind chill
26
kph wind from NW

Sioux Falls weather for Saturday 21st February 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of -1°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 17 kph from the north.

-1
°C maximum temperature
-14
°C minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-6
°C wind chill
17
kph wind from N

Sioux Falls weather for Sunday 22nd February 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of -1°C, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the north-west.