Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 28°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Monday
11th May
28

8

11

7
Tuesday
12th May
25

14

11

7
Wednesday
13th May
25

10

15

7
Thursday
14th May
28

11

8

7
Friday
15th May
30

17

11

6

5-day weather forecast updated at 04:01 on Monday 11th May 2026 GMT

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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 Monday 11th May 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

28
°C maximum temperature
8
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from S

Sioux City weather for Tuesday 12th May 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 25°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.

25
°C maximum temperature
14
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from NW

Sioux City weather for Wednesday 13th May 2026

Expect clear skies in Sioux City, Iowa with a maximum temperature of 25°C, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

25
°C maximum temperature
10
°C minimum temperature
clear skies
15
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from NW

Sioux City weather for Thursday 14th May 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 27 kph from the south.

28
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
27
kph wind from S

Sioux City weather for Friday 15th May 2026

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 17 kph from the west.