Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 25°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Friday
20th Mar
25

9

9

6
Saturday
21st Mar
30

8

12

6
Sunday
22nd Mar
16

2

6

6
Monday
23rd Mar
13

-1

6

5
Tuesday
24th Mar
16

5

6

5

5-day weather forecast updated at 04:01 on Friday 20th March 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 Friday 20th March 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 25°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.

25
°C maximum temperature
9
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
25
°C wind chill
6
kph wind from NW

Sioux City weather for Saturday 21st March 2026

Expect clear skies in Sioux City, Iowa with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

30
°C maximum temperature
8
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
10
kph wind from S

Sioux City weather for Sunday 22nd March 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 16°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

16
°C maximum temperature
2
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
16
°C wind chill
25
kph wind from N

Sioux City weather for Monday 23rd March 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

13
°C maximum temperature
-1
°C minimum temperature
scattered clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Sioux City weather for Tuesday 24th March 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.