
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 89 °F on Wednesday, while the low is 48 °F on Monday. There are expected to be 3 sunny days and rain on 3 days this week.
There are currently no weather alerts.
Monday, August 25
- High of 73 °F, low of 48 °F (31% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:43 AM, sunset at 8:12 PM
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1 / 6
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Tuesday, August 26
- High of 81 °F, low of 50 °F (32% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:44 AM, sunset at 8:10 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:44 AM, sunset at 8:10 PM

2 / 6
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Wednesday, August 27
- High of 89 °F, low of 59 °F (30% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:45 AM, sunset at 8:08 PM
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:45 AM, sunset at 8:08 PM

3 / 6
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Thursday, August 28
- High of 87 °F, low of 60 °F (38% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:46 AM, sunset at 8:07 PM
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:46 AM, sunset at 8:07 PM

4 / 6
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Friday, August 29
- High of 89 °F, low of 58 °F (38% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:47 AM, sunset at 8:05 PM
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:47 AM, sunset at 8:05 PM

5 / 6
Alex Stemmer // Shutterstock
Saturday, August 30
- High of 73 °F, low of 63 °F (70% humidity)
- Overcast with a 100% chance of rain (23 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:49 AM, sunset at 8:03 PM
- Overcast with a 100% chance of rain (23 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:49 AM, sunset at 8:03 PM
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6 / 6
Valeriy Boyarskiy // Shutterstock
Sunday, August 31
- High of 63 °F, low of 62 °F (96% humidity)
- Overcast with a 100% chance of rain (82 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:50 AM, sunset at 8:02 PM
- First quarter moon
- Overcast with a 100% chance of rain (82 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:50 AM, sunset at 8:02 PM
- First quarter moon