Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 34°F. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Monday
15th Dec
34

19

8

2
Tuesday
16th Dec
39

25

5

2
Wednesday
17th Dec
43

28

7

1
Thursday
18th Dec
39

12

2

1
Friday
19th Dec
34

12

5

1

5-day weather forecast updated at 04:01 on Monday 15th 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 Monday 15th December 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 34°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south.

34
°F maximum temperature
19
°F minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
27
°F wind chill
11
mph wind from S

Sioux City weather for Tuesday 16th December 2025

Expect cloudy with sleet or snow in Sioux City, Iowa with a maximum temperature of 39°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 4% chance of some sleet or snow and a light breeze of 7 mph from the north-west.

39
°F maximum temperature
25
°F minimum temperature
cloudy with sleet or snow
5
hours of sunshine
2
UV index (Low)
4
% chance of some sleet or snow
<2
mm of sleet/snow expected
34
°F wind chill
7
mph wind from NW

Sioux City weather for Wednesday 17th December 2025

Expect sunshine and showers in Sioux City, Iowa with a maximum temperature of 43°F, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 14 mph from the south.

43
°F maximum temperature
28
°F minimum temperature
sunshine and showers
7
hours of sunshine
1
UV index (Low)
85
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
14
mph wind from S

Sioux City weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Sioux City, Iowa with a maximum temperature of 39°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a fresh breeze of 24 mph from the north-west.

39
°F maximum temperature
12
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
4
% chance of some rain
<2
mm of rainfall expected
28
°F wind chill
24
mph wind from NW

Sioux City weather for Friday 19th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 34°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south.