Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 17°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Tuesday
17th Feb
17

2

4

2
Wednesday
18th Feb
9

-4

7

2
Thursday
19th Feb
3

-7

2

1
Friday
20th Feb
-4

-12

0

2
Saturday
21st Feb
-1

-14

1

2

5-day weather forecast updated at 04:02 on Tuesday 17th 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 Tuesday 17th February 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 17°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a fresh breeze of 33 kph from the south-east.

17
°C maximum temperature
2
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
2
UV index (Low)
18
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from SE

Sioux Falls weather for Wednesday 18th February 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 9°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the west.

9
°C maximum temperature
-4
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
37
kph wind from W

Sioux Falls weather for Thursday 19th February 2026

Expect mostly cloudy with light snow in Sioux Falls, South Dakota with a maximum temperature of 3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 57% chance of some snow and a moderate breeze of 25 kph from the north.

3
°C maximum temperature
-7
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
1
UV index (Low)
57
% chance of some snow
<5
cm of snow expected
-2
°C wind chill
25
kph wind from N

Sioux Falls weather for Friday 20th February 2026

Expect mostly cloudy with light snow in Sioux Falls, South Dakota with a maximum temperature of -4°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 27% chance of some snow and a moderate breeze of 27 kph from the north-west.

-4
°C maximum temperature
-12
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
2
UV index (Low)
27
% chance of some snow
<2
cm of snow expected
-11
°C wind chill
27
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 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the north-west.