Sioux City weather live forecast

Tomorrow's maximum temperature in Sioux City is expected to be 91°F.

5-day weather forecast updated at 04:01 on Monday 14th 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 Monday 14th July 2025

Expect clear skies in Sioux City, Iowa with a maximum temperature of 91°F, high 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 light breeze of 4 mph from the south.

  • 91°F maximum temperature91
    °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
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 4 mph from the South4
    mph wind from S

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Sioux City weather for Tuesday 15th July 2025

Expect scattered clouds in Sioux City, Iowa with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

  • 88°F maximum temperature88
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 5 mph from the South5
    mph wind from S

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Sioux City weather for Wednesday 16th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and little or no wind of 3 mph from the north.

  • 82°F maximum temperature82
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 48% chance of some rain48
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 mph from the North3
    mph wind from N

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Sioux City weather for Thursday 17th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 73°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 19% chance of some rain and a light breeze of 4 mph from the north.

  • 73°F maximum temperature73
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 19% chance of some rain19
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Light breeze of 4 mph from the North4
    mph wind from N

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Sioux City weather for Friday 18th July 2025

Expect isolated thunderstorms in Sioux City, Iowa with a maximum temperature of 77°F, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and little or no wind of 2 mph from the south-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 2 mph from the South-East2
    mph wind from SE

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