Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be -7°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Monday
19th Jan
-7

-17

8

1
Tuesday
20th Jan
0

-15

1

1
Wednesday
21st Jan
1

-7

5

1
Thursday
22nd Jan
-3

-11

4

1

5-day weather forecast updated at 04:02 on Saturday 17th 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 19th January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of -7°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 21 kph from the north-west.

-7
°C maximum temperature
-17
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-15
°C wind chill
21
kph wind from NW

Sioux City weather for Tuesday 20th January 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 0°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the south.

0
°C maximum temperature
-15
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-4
°C wind chill
14
kph wind from S

Sioux City weather for Wednesday 21st January 2026

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

1
°C maximum temperature
-7
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-4
°C wind chill
20
kph wind from NW

Sioux City weather for Thursday 22nd January 2026

Expect broken clouds in Sioux City, Iowa with a maximum temperature of -3°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the west.