Sioux City weather live forecast

Tomorrow's maximum temperature in Sioux City is expected to be 90°F.

5-day weather forecast updated at 04:01 on Thursday 10th July 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 Thursday 10th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 10-20 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 11 mph from the south-east.

  • 90°F maximum temperature90
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 56% chance of some rain56
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 11 mph from the South-East11
    mph wind from SE

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Sioux City weather for Friday 11th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 56% chance of some rain56
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Sioux City weather for Saturday 12th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a light breeze of 6 mph from the north-west.

  • 81°F maximum temperature81
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 10% chance of some rain10
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Sioux City weather for Sunday 13th July 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

  • 84°F maximum temperature84
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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Sioux City weather for Monday 14th July 2025

Expect clear skies in Sioux City, Iowa with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south.

  • 90°F maximum temperature90
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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