Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 2°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Sunday
15th Mar
2

-12

2

2
Monday
16th Mar
-6

-15

10

4
Tuesday
17th Mar
-1

-13

2

2
Wednesday
18th Mar
16

-5

6

5
Thursday
19th Mar
19

3

12

5

5-day weather forecast updated at 04:01 on Monday 16th March 2026 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 Sunday 15th March 2026

Expect cloudy with sleet or snow in Sioux City, Iowa with a maximum temperature of 2°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 99% chance of some sleet or snow and a fresh breeze of 36 kph from the north.

2
°C maximum temperature
-12
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
2
UV index (Low)
99
% chance of some sleet or snow
<10
mm of sleet/snow expected
-4
°C wind chill
36
kph wind from N

Sioux City weather for Monday 16th March 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -6°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 cm of snow expected and a fresh breeze of 29 kph from the north-west.

-6
°C maximum temperature
-15
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
cm of snow expected
-14
°C wind chill
29
kph wind from NW

Sioux City weather for Tuesday 17th March 2026

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of -1°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a moderate breeze of 20 kph from the south.

-1
°C maximum temperature
-13
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
2
UV index (Low)
41
% chance of some snow
<2
cm of snow expected
-6
°C wind chill
20
kph wind from S

Sioux City weather for Wednesday 18th March 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

16
°C maximum temperature
-5
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
7
kph wind from W

Sioux City weather for Thursday 19th March 2026

Expect clear skies in Sioux City, Iowa with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.