Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 30°F. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Monday
8th Dec
30

14

3

2
Tuesday
9th Dec
43

28

2

2
Wednesday
10th Dec
36

19

2

1
Thursday
11th Dec
27

19

1

1
Friday
12th Dec
21

3

0

2

5-day weather forecast updated at 04:01 on Monday 8th 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 8th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of 30°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 3% chance of some snow and a gentle breeze of 8 mph from the south.

30
°F maximum temperature
14
°F minimum temperature
mostly cloudy with light snow
3
hours of sunshine
2
UV index (Low)
3
% chance of some snow
<2
cm of snow expected
23
°F wind chill
8
mph wind from S

Sioux City weather for Tuesday 9th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 43°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the north-west.

43
°F maximum temperature
28
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
34
°F wind chill
21
mph wind from NW

Sioux City weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Sioux City, Iowa with a maximum temperature of 36°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 14% chance of some sleet or snow and a fresh breeze of 21 mph from the north-west.

36
°F maximum temperature
19
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
14
% chance of some sleet or snow
<2
mm of sleet/snow expected
23
°F wind chill
21
mph wind from NW

Sioux City weather for Thursday 11th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of 27°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 44% chance of some snow and a light breeze of 7 mph from the north.

27
°F maximum temperature
19
°F minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
44
% chance of some snow
<2
cm of snow expected
19
°F wind chill
7
mph wind from N

Sioux City weather for Friday 12th December 2025

Expect overcast skies in Sioux City, Iowa with a maximum temperature of 21°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 14 mph from the north-west.