Sioux City 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Sioux City 7-day weather forecast

created the forecast for Sioux City, Iowa using data from . This week's high is 110 掳F on Saturday, while the low is 59 掳F on Wednesday. There are expected to be 4 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 93 掳F, low of 64 掳F (28% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:19 AM, sunset at 8:43 PM
You may also like: Car insurance rates in Sioux City October 2025
1 / 6
Sandra Matic // Shutterstock

Tuesday, August 4

- High of 83 掳F, low of 66 掳F (46% humidity)
- Partly cloudy with a 100% chance of rain (7 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:20 AM, sunset at 8:42 PM
2 / 6
STILLFX // Shutterstock

Wednesday, August 5

- High of 86 掳F, low of 59 掳F (34% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:22 AM, sunset at 8:41 PM
- Last quarter moon
3 / 6
supergenijalac // Shutterstock

Thursday, August 6

- High of 94 掳F, low of 60 掳F (18% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:23 AM, sunset at 8:40 PM
4 / 6
Dmitry Naumov // Shutterstock

Friday, August 7

- High of 99 掳F, low of 62 掳F (34% humidity)
- Sunny with a 100% chance of rain (31 mm of rain)
- Strong breeze (26 mph wind)
- Sunrise at 6:24 AM, sunset at 8:38 PM
5 / 6
Alex Linch // Shutterstock

Saturday, August 8

- High of 110 掳F, low of 69 掳F (22% humidity)
- Sunny with a 100% chance of rain (0 mm of rain)
- Fresh breeze (23 mph wind)
- Sunrise at 6:25 AM, sunset at 8:37 PM
You may also like: Most expensive homes for sale in Sioux City
6 / 6
Nataliia K // Shutterstock

Sunday, August 9

- High of 96 掳F, low of 69 掳F (42% humidity)
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- Fresh breeze (20 mph wind)
- Sunrise at 6:26 AM, sunset at 8:36 PM

Trending Now