Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 6°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

Tuesday
9th Dec
6

-2

2

2
Wednesday
10th Dec
2

-7

2

1
Thursday
11th Dec
-3

-7

1

1
Friday
12th Dec
-6

-16

0

2
Saturday
13th Dec
-11

-16

1

1

5-day weather forecast updated at 04:01 on Monday 8th December 2025 GMT

More about Sioux City

Sioux City by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Iowa

Radisson Hotels: up to 25% off prepaid rates

Discount Code

Save up to 25% on hotel stays when you book advance
Radisson Rewards members get extra 10% off hotels
Book hotels in Europe, Middle East, Africa, Asia & Pacific

Show discount code

******AID

Redeem Radisson Hotels discount code >>

View all Radisson Hotels offers

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 Tuesday 9th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 6°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north-west.

6
°C maximum temperature
-2
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
34
kph wind from NW

Sioux City weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Sioux City, Iowa with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 14% chance of some sleet or snow and a fresh breeze of 34 kph from the north-west.

2
°C maximum temperature
-7
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
14
% chance of some sleet or snow
<2
mm of sleet/snow expected
-5
°C wind chill
34
kph wind from NW

Sioux City weather for Thursday 11th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of -3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 44% chance of some snow and a light breeze of 11 kph from the north.

-3
°C maximum temperature
-7
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
44
% chance of some snow
<2
cm of snow expected
-7
°C wind chill
11
kph wind from N

Sioux City weather for Friday 12th December 2025

Expect overcast skies in Sioux City, Iowa with a maximum temperature of -6°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 23 kph from the north-west.

-6
°C maximum temperature
-16
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-13
°C wind chill
23
kph wind from NW

Sioux City weather for Saturday 13th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of -11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 27% chance of some snow and a gentle breeze of 15 kph from the south-east.