Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 4°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Sunday
11th Jan
4

-11

9

2
Monday
12th Jan
12

0

7

2
Tuesday
13th Jan
12

4

2

1
Wednesday
14th Jan
3

-6

9

1
Thursday
15th Jan
6

-7

1

1

5-day weather forecast updated at 04:01 on Monday 12th January 2026 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 Sunday 11th January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 4°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

4
°C maximum temperature
-11
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
15
kph wind from S

Sioux City weather for Monday 12th January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 12°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

12
°C maximum temperature
0
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
11
kph wind from SW

Sioux City weather for Tuesday 13th January 2026

Expect mostly cloudy with light rain in Sioux City, Iowa with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 22 kph from the north-west.

12
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from NW

Sioux City weather for Wednesday 14th January 2026

Expect sunshine and showers in Sioux City, Iowa with a maximum temperature of 3°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a moderate breeze of 25 kph from the north.

3
°C maximum temperature
-6
°C minimum temperature
sunshine and showers
9
hours of sunshine
1
UV index (Low)
3
% chance of some rain
<2
mm of rainfall expected
-2
°C wind chill
25
kph wind from N

Sioux City weather for Thursday 15th January 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.