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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 90 °F on Monday, while the low is 62 °F on Friday. There are expected to be 2 sunny days and rain on 5 days this week.
There are currently no weather alerts.
Monday, July 14
- High of 90 °F, low of 67 °F (56% humidity)- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:01 AM, sunset at 9:01 PM
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Dmitry Naumov // Shutterstock
Tuesday, July 15
- High of 90 °F, low of 66 °F (55% humidity)
- Sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:01 AM, sunset at 9:01 PM
- Sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:01 AM, sunset at 9:01 PM

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Wednesday, July 16
- High of 82 °F, low of 64 °F (73% humidity)
- Partly sunny with a 100% chance of rain (15 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:02 AM, sunset at 9:00 PM
- Partly sunny with a 100% chance of rain (15 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:02 AM, sunset at 9:00 PM

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Alex Stemmer // Shutterstock
Thursday, July 17
- High of 73 °F, low of 64 °F (80% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:03 AM, sunset at 8:59 PM
- Last quarter moon
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:03 AM, sunset at 8:59 PM
- Last quarter moon

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Friday, July 18
- High of 76 °F, low of 62 °F (71% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 6:04 AM, sunset at 8:59 PM
- Partly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 6:04 AM, sunset at 8:59 PM

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Leszek Glasner // Shutterstock
Saturday, July 19
- High of 85 °F, low of 67 °F (78% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 6:05 AM, sunset at 8:58 PM
- Overcast with a 100% chance of rain (12 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 6:05 AM, sunset at 8:58 PM
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Jaromir Chalabala // Shutterstock
Sunday, July 20
- High of 79 °F, low of 66 °F (85% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 6:06 AM, sunset at 8:57 PM
- Overcast with a 100% chance of rain (1 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 6:06 AM, sunset at 8:57 PM