Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 9°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Thursday
25th Dec
9

3

0

1
Friday
26th Dec
9

4

2

2
Saturday
27th Dec
12

4

7

1
Sunday
28th Dec
4

-9

6

1
Monday
29th Dec
-3

-10

8

1

5-day weather forecast updated at 04:01 on Thursday 25th December 2025 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 Thursday 25th December 2025

Expect mostly cloudy with light rain in Sioux City, Iowa with a maximum temperature of 9°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a light breeze of 11 kph from the south-east.

9
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
15
% chance of some rain
<2
mm of rainfall expected
7
°C wind chill
11
kph wind from SE

Sioux City weather for Friday 26th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 9°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

9
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
11
kph wind from NW

Sioux City weather for Saturday 27th December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 12°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

12
°C maximum temperature
4
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
15
kph wind from SE

Sioux City weather for Sunday 28th December 2025

Expect clear skies with flurries of snow in Sioux City, Iowa with a maximum temperature of 4°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 34% chance of some snow and a moderate breeze of 28 kph from the north-west.

4
°C maximum temperature
-9
°C minimum temperature
clear skies with flurries of snow
6
hours of sunshine
1
UV index (Low)
34
% chance of some snow
<2
cm of snow expected
-1
°C wind chill
28
kph wind from NW

Sioux City weather for Monday 29th December 2025

Expect clear skies in Sioux City, Iowa with a maximum temperature of -3°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 23 kph from the north-west.