Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be -12°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Saturday
13th Dec
-12

-21

2

2
Sunday
14th Dec
-9

-24

8

2
Monday
15th Dec
0

-9

8

2
Tuesday
16th Dec
3

-6

2

2
Wednesday
17th Dec
4

-2

1

2

5-day weather forecast updated at 04:01 on Friday 12th 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 Saturday 13th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of -12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 79% chance of some snow and a gentle breeze of 13 kph from the north.

-12
°C maximum temperature
-21
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
2
UV index (Low)
79
% chance of some snow
<5
cm of snow expected
-19
°C wind chill
13
kph wind from N

Sioux City weather for Sunday 14th December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -9°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 19 kph from the south.

-9
°C maximum temperature
-24
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-16
°C wind chill
19
kph wind from S

Sioux City weather for Monday 15th December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 0°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 18 kph from the south.

0
°C maximum temperature
-9
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-6
°C wind chill
18
kph wind from S

Sioux City weather for Tuesday 16th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 3°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

3
°C maximum temperature
-6
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
7
kph wind from S

Sioux City weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Sioux City, Iowa with a maximum temperature of 4°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a gentle breeze of 18 kph from the south.