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.

Monday
26th Jan
-2

-21

9

2
Tuesday
27th Jan
-8

-14

9

2
Wednesday
28th Jan
-3

-14

5

2
Thursday
29th Jan
-6

-15

1

2
Friday
30th Jan
-11

-19

10

2

5-day weather forecast updated at 04:01 on Monday 26th January 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 Monday 26th January 2026

Expect clear skies in Sioux City, Iowa with a maximum temperature of -2°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 18 kph from the south-west.

-2
°C maximum temperature
-21
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-8
°C wind chill
18
kph wind from SW

Sioux City weather for Tuesday 27th January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -8°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 15 kph from the north-west.

-8
°C maximum temperature
-14
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-15
°C wind chill
15
kph wind from NW

Sioux City weather for Wednesday 28th January 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of -3°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 kph from the north.

-3
°C maximum temperature
-14
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-6
°C wind chill
7
kph wind from N

Sioux City weather for Thursday 29th January 2026

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of -6°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 16% chance of some snow and a light breeze of 7 kph from the north-east.

-6
°C maximum temperature
-15
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
2
UV index (Low)
16
% chance of some snow
<2
cm of snow expected
-10
°C wind chill
7
kph wind from NE

Sioux City weather for Friday 30th January 2026

Expect clear skies in Sioux City, Iowa with a maximum temperature of -11°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 kph from the north-east.