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.

Thursday
29th Jan
-4

-11

1

2
Friday
30th Jan
-11

-18

8

2
Saturday
31st Jan
-6

-19

8

2
Sunday
1st Feb
2

-9

2

1
Monday
2nd Feb
-3

-10

4

2

5-day weather forecast updated at 04:01 on Thursday 29th 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 Thursday 29th January 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of -4°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and little or no wind of 6 kph from the north-east.

-4
°C maximum temperature
-11
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
-7
°C wind chill
6
kph wind from NE

Sioux City weather for Friday 30th January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -11°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the north.

-11
°C maximum temperature
-18
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-17
°C wind chill
13
kph wind from N

Sioux City weather for Saturday 31st January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -6°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the south.

-6
°C maximum temperature
-19
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-12
°C wind chill
16
kph wind from S

Sioux City weather for Sunday 1st February 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

2
°C maximum temperature
-9
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-2
°C wind chill
16
kph wind from NW

Sioux City weather for Monday 2nd February 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of -3°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north.