Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 32°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Tuesday
7th Jul
32

21

13

8
Wednesday
8th Jul
31

22

9

8
Thursday
9th Jul
28

20

5

9
Friday
10th Jul
30

20

8

8
Saturday
11th Jul
31

19

9

9

5-day weather forecast updated at 04:01 on Tuesday 7th July 2026 GMT

More about Sioux City

Sioux City by month

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

Recommended for Iowa

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The 5-day weather forecast for Iowa (Sioux City) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sioux City weather forecast by day

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

Sioux City weather for Tuesday 7th July 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

32
°C maximum temperature
21
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Sioux City weather for Wednesday 8th July 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a light breeze of 12 kph from the south.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
78
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from S

Sioux City weather for Thursday 9th July 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 26% chance of some rain and little or no wind of 6 kph from the north-east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
26
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
kph wind from NE

Sioux City weather for Friday 10th July 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 22% chance of some rain and little or no wind of 6 kph from the east.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
22
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from E

Sioux City weather for Saturday 11th July 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 8 kph from the south-east.