Sioux City 7-day weather forecast

Written by:
December 15, 2025
ESOlex // Shutterstock

Sioux City 7-day weather forecast

Stacker created the forecast for Sioux City, Iowa using data from OpenWeather. This week's high is 49 °F on Wednesday, while the low is 14 °F on Thursday. There is expected to be 1 sunny day and snow on 1 day this week.

There are currently no weather alerts.

Monday, December 15

- High of 35 °F, low of 20 °F (85% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate breeze (17 mph wind)
- Sunrise at 7:48 AM, sunset at 4:53 PM
1 / 6
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Tuesday, December 16

- High of 42 °F, low of 23 °F (89% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (17 mph wind)
- Sunrise at 7:49 AM, sunset at 4:53 PM
2 / 6
Andrew Lever // Shutterstock

Wednesday, December 17

- High of 49 °F, low of 25 °F (74% humidity)
- Mostly cloudy with a 0% chance of rain
- Fresh breeze (22 mph wind)
- Sunrise at 7:49 AM, sunset at 4:54 PM
3 / 6
Leonid Ikan // Shutterstock

Thursday, December 18

- High of 43 °F, low of 14 °F (70% humidity)
- Mostly cloudy with a 20% chance of snow (0 mm of snow)
- Strong breeze (29 mph wind)
- Sunrise at 7:50 AM, sunset at 4:54 PM
4 / 6
Valeriy Boyarskiy // Shutterstock

Friday, December 19

- High of 38 °F, low of 14 °F (32% humidity)
- Mostly cloudy with a 0% chance of rain
- Fresh breeze (19 mph wind)
- Sunrise at 7:51 AM, sunset at 4:54 PM
- New moon
5 / 6
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Saturday, December 20

- High of 39 °F, low of 27 °F (66% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (15 mph wind)
- Sunrise at 7:51 AM, sunset at 4:55 PM
6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, December 21

- High of 44 °F, low of 23 °F (48% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 7:52 AM, sunset at 4:55 PM

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