Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 14°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Tuesday
22nd Sep
14

12

1

2
Wednesday
23rd Sep
17

12

1

3
Thursday
24th Sep
17

13

0

2
Friday
25th Sep
18

14

2

1
Saturday
26th Sep
20

15

0

1

5-day weather forecast updated at 04:01 on Tuesday 22nd September 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 22nd September 2026

Expect overcast skies in Sioux Falls, South Dakota with a maximum temperature of 14°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

14
°C maximum temperature
12
°C minimum temperature
overcast skies
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

Sioux Falls weather for Wednesday 23rd September 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

17
°C maximum temperature
12
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from SE

Sioux Falls weather for Thursday 24th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 21 kph from the south.

17
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
65
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Sioux Falls weather for Friday 25th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 18°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 22 kph from the south-east.

18
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
1
UV index (Low)
57
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
22
kph wind from SE

Sioux Falls weather for Saturday 26th September 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 20°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 24 kph from the south-east.