Sioux City 7-day weather forecast

Written by:
December 29, 2025
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Sioux City 7-day weather forecast

Stacker created the forecast for Sioux City, Iowa using data from OpenWeather. This week's high is 37 °F on Wednesday, while the low is -2 °F on Friday. There are expected to be 5 sunny days and snow on 2 days this week.

There are currently no weather alerts.

Monday, January 19

- High of 19 °F, low of 3 °F (43% humidity)
- Fair with a 0% chance of snow
- Fresh breeze (20 mph wind)
- Sunrise at 7:50 AM, sunset at 5:22 PM
1 / 6
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Tuesday, January 20

- High of 24 °F, low of 7 °F (54% humidity)
- Mostly cloudy with a 100% chance of snow (0 mm of snow)
- Gentle breeze (12 mph wind)
- Sunrise at 7:49 AM, sunset at 5:23 PM
2 / 6
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Wednesday, January 21

- High of 37 °F, low of 15 °F (56% humidity)
- Partly sunny with a 94% chance of snow (0 mm of snow)
- Fresh breeze (22 mph wind)
- Sunrise at 7:49 AM, sunset at 5:24 PM
3 / 6
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Thursday, January 22

- High of 25 °F, low of 12 °F (43% humidity)
- Fair with a 0% chance of snow
- Gentle breeze (12 mph wind)
- Sunrise at 7:48 AM, sunset at 5:25 PM
4 / 6
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Friday, January 23

- High of 9 °F, low of -2 °F (34% humidity)
- Mostly sunny with a 0% chance of snow
- Moderate breeze (13 mph wind)
- Sunrise at 7:47 AM, sunset at 5:27 PM
5 / 6
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Saturday, January 24

- High of 22 °F, low of -2 °F (32% humidity)
- Sunny with a 0% chance of snow
- Moderate breeze (16 mph wind)
- Sunrise at 7:46 AM, sunset at 5:28 PM
6 / 6
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Sunday, January 25

- High of 33 °F, low of 13 °F (45% humidity)
- Fair with a 0% chance of rain
- Fresh breeze (19 mph wind)
- Sunrise at 7:46 AM, sunset at 5:29 PM
- First quarter moon

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