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Sioux City weather live forecast
Today's maximum temperature in Sioux City is expected to be 19°C. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.
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Saturday
6th Sep -
Sunday
7th Sep -
Monday
8th Sep -
Tuesday
9th Sep -
Wednesday
10th Sep
5-day weather forecast updated at 04:01 on Saturday 6th September 2025 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 Saturday 6th September 2025
Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- kph wind from NW
Sioux City weather for Sunday 7th September 2025
Expect broken clouds in Sioux City, Iowa with a maximum temperature of 21°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- no heat & humidity
- kph wind from SE
Sioux City weather for Monday 8th September 2025
Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 24 kph from the south.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from S
Sioux City weather for Tuesday 9th September 2025
Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 14 kph from the south.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from S
Sioux City weather for Wednesday 10th September 2025
Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a light breeze of 11 kph from the south-east.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- kph wind from SE
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Metric (°C / mm) | Imperial (°F / inches)
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