Weather forecast for tomorrow
Sioux City, IA

Weather forecast for tomorrow

Saturday, Jun 21.

Sunny / Wind
5:46 am

9:08 pm
CDT
Sunny / Wind
102°F / 77°F
  • Wind: 22mph SSW
  • Humidity: 42%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 9
On Saturday, in Sioux City, sunny and windy weather is also anticipated.
Temperature is predicted to swing from a high of a very hot 102.2°F to a low of a temperate 77°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be a searing 116.6°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted temperature of 102.2°F resembles July's typical high of 83.8°F more than June's.
Sunrise will be at 5:46 am and sunset at 9:08 pm; tomorrow's daylight will last for 15h and 22min.

Frequently asked questions

What is the weather forecast for Sioux City for tomorrow?
On Saturday, clear and windy conditions are anticipated.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 102.2°F, while the minimum temperature will be 77°F. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 116.6°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 80.1°F in June. Tomorrow, the lowest temperature will be also uncommonly higher than the average low of 62.6°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Sioux City, sunrise will be at 5:46 am and sunset at 9:08 pm (CDT).
How many hours of daylight will Sioux City have tomorrow?
Tomorrow, the daylight will last for 15h and 22min.

Hourly weather forecast

12 am
  • 86°F
  • Feels like:
    90°F
Clear / Wind
Clear / Wind
  • Wind: 21mph S
  • Pressure: 29.44"Hg
  • Humidity: 49%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 84°F
  • Feels like:
    88°F
Clear
Clear
  • Wind: 19mph S
  • Pressure: 29.44"Hg
  • Humidity: 55%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 82°F
  • Feels like:
    84°F
Mostly Clear
Mostly Clear
  • Wind: 17mph S
  • Pressure: 29.41"Hg
  • Humidity: 59%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:46 am
6 am
  • 79°F
  • Feels like:
    82°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph S
  • Pressure: 29.41"Hg
  • Humidity: 62%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 82°F
  • Feels like:
    84°F
Sunny
Sunny
  • Wind: 17mph S
  • Pressure: 29.44"Hg
  • Humidity: 59%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 88°F
  • Feels like:
    91°F
Sunny / Wind
Sunny / Wind
  • Wind: 20mph S
  • Pressure: 29.41"Hg
  • Humidity: 46%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 95°F
  • Feels like:
    99°F
Sunny / Wind
Sunny / Wind
  • Wind: 22mph SSW
  • Pressure: 29.41"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 99°F
  • Feels like:
    104°F
Sunny / Wind
Sunny / Wind
  • Wind: 22mph SSW
  • Pressure: 29.41"Hg
  • Humidity: 34%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 100°F
  • Feels like:
    106°F
Sunny / Wind
Sunny / Wind
  • Wind: 22mph SSW
  • Pressure: 29.38"Hg
  • Humidity: 33%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 100°F
  • Feels like:
    106°F
Sunny / Wind
Sunny / Wind
  • Wind: 21mph SSW
  • Pressure: 29.38"Hg
  • Humidity: 33%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 97°F
  • Feels like:
    102°F
Sunny
Sunny
  • Wind: 18mph S
  • Pressure: 29.41"Hg
  • Humidity: 36%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 9:08 pm
10 pm
  • 91°F
  • Feels like:
    95°F
Clear
Clear
  • Wind: 18mph S
  • Pressure: 29.47"Hg
  • Humidity: 42%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, primarily clear and occasionally cloud-filled weather is expected.
The temperature will be between a minimum of 78.8°F and a maximum of 100.4°F. The feels-like temperature will be between a minimum of 82.4°F and a maximum of 107.6°F. The hottest part of the day will be from 3 pm to 6 pm.
The expected temperature aligns more with July's average high than with June's 80.1°F. The minimum temperature will be also more alike with July's average low of 64.9°F than June's typical 62.6°F.
Updated: Jun 20, 2025 @ 12:22:18 UTC
Published by: Weather U.S. | About Us
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