Sioux City weather live forecast

Today's maximum temperature in Sioux City is expected to be 21°F. Select a day from the live weather forecast for Sioux City, Iowa, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 7th December 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 Sunday 7th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of 21°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 15% chance of some snow and a gentle breeze of 8 mph from the north.

  • 21°F maximum temperature21
    °F maximum temperature
  • 12°F minimum temperature12
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 15% chance of some snow15
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 12°F wind chill12
    °F wind chill
  • Gentle breeze of 8 mph from the North8
    mph wind from N

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Sioux City weather for Monday 8th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 30°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the south.

  • 30°F maximum temperature30
    °F maximum temperature
  • 18°F minimum temperature18
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • 23°F wind chill23
    °F wind chill
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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Sioux City weather for Tuesday 9th December 2025

Expect broken clouds in Sioux City, Iowa with a maximum temperature of 43°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the west.

  • 43°F maximum temperature43
    °F maximum temperature
  • 25°F minimum temperature25
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 34°F wind chill34
    °F wind chill
  • Fresh breeze of 21 mph from the West21
    mph wind from W

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Sioux City weather for Wednesday 10th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of 36°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 37% chance of some snow and a fresh breeze of 21 mph from the north-west.

  • 36°F maximum temperature36
    °F maximum temperature
  • 21°F minimum temperature21
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 37% chance of some snow37
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 25°F wind chill25
    °F wind chill
  • Fresh breeze of 21 mph from the North-West21
    mph wind from NW

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Sioux City weather for Thursday 11th December 2025

Expect mostly cloudy with light snow in Sioux City, Iowa with a maximum temperature of 27°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 35% chance of some snow and a gentle breeze of 8 mph from the north-west.

  • 27°F maximum temperature27
    °F maximum temperature
  • 14°F minimum temperature14
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 35% chance of some snow35
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 18°F wind chill18
    °F wind chill
  • Gentle breeze of 8 mph from the North-West8
    mph wind from NW

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