Sioux Falls weather live forecast

Today's maximum temperature in Sioux Falls is expected to be 36°C. Select a day from the live weather forecast for Sioux Falls, South Dakota, USA for more weather parameters.

Saturday
25th Jul
36

20

12

9
Sunday
26th Jul
35

26

10

7
Monday
27th Jul
35

24

11

9
Tuesday
28th Jul
32

23

5

9
Wednesday
29th Jul
33

21

15

9

5-day weather forecast updated at 04:01 on Saturday 25th July 2026 GMT

More about Sioux Falls

Sioux Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Friday 31st Jul 2026 · View all Intrepid Travel offers

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 Saturday 25th July 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 36°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

36
°C maximum temperature
20
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
17
kph wind from S

Sioux Falls weather for Sunday 26th July 2026

Expect broken clouds in Sioux Falls, South Dakota with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

35
°C maximum temperature
26
°C minimum temperature
broken clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from S

Sioux Falls weather for Monday 27th July 2026

Expect scattered clouds in Sioux Falls, South Dakota with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

35
°C maximum temperature
24
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from N

Sioux Falls weather for Tuesday 28th July 2026

Expect isolated thunderstorms in Sioux Falls, South Dakota with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a light breeze of 11 kph from the south.

32
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
14
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from S

Sioux Falls weather for Wednesday 29th July 2026

Expect clear skies in Sioux Falls, South Dakota with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.