Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 5°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Saturday
20th Dec
5

-5

6

1
Sunday
21st Dec
5

-6

6

1
Monday
22nd Dec
10

2

8

1
Tuesday
23rd Dec
8

2

5

1
Wednesday
24th Dec
11

2

0

1

5-day weather forecast updated at 04:01 on Saturday 20th December 2025 GMT

More about Sioux City

Sioux City by month

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

Recommended for Iowa

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 Saturday 20th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 5°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

5
°C maximum temperature
-5
°C minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
17
kph wind from NW

Sioux City weather for Sunday 21st December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 5°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

5
°C maximum temperature
-6
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
18
kph wind from S

Sioux City weather for Monday 22nd December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 10°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

10
°C maximum temperature
2
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
18
kph wind from S

Sioux City weather for Tuesday 23rd December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

8
°C maximum temperature
2
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
10
kph wind from NW

Sioux City weather for Wednesday 24th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.