Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 20°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Thursday
7th May
20

6

11

6
Friday
8th May
22

10

8

6
Saturday
9th May
23

9

3

5
Sunday
10th May
21

6

6

6
Monday
11th May
25

7

8

6

5-day weather forecast updated at 04:01 on Thursday 7th May 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 Thursday 7th May 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 20°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

20
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from NW

Sioux City weather for Friday 8th May 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 22°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

22
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Sioux City weather for Saturday 9th May 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

23
°C maximum temperature
9
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from N

Sioux City weather for Sunday 10th May 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 21°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

21
°C maximum temperature
6
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Sioux City weather for Monday 11th May 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 25°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 18 kph from the south-east.