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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 95 °F on Tuesday, while the low is 57 °F on Sunday. There are expected to be 3 sunny days and rain on 5 days this week.
There are currently no weather alerts.
Monday, September 15
- High of 90 °F, low of 64 °F (34% humidity)- Sunny with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:05 AM, sunset at 7:35 PM
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1 / 6
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Tuesday, September 16
- High of 95 °F, low of 64 °F (32% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:06 AM, sunset at 7:34 PM
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:06 AM, sunset at 7:34 PM

2 / 6
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Wednesday, September 17
- High of 75 °F, low of 63 °F (72% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:08 AM, sunset at 7:32 PM
- Overcast with a 100% chance of rain (13 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:08 AM, sunset at 7:32 PM

3 / 6
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Thursday, September 18
- High of 77 °F, low of 62 °F (65% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:09 AM, sunset at 7:30 PM
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:09 AM, sunset at 7:30 PM

4 / 6
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Friday, September 19
- High of 77 °F, low of 60 °F (57% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:10 AM, sunset at 7:28 PM
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:10 AM, sunset at 7:28 PM

5 / 6
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Saturday, September 20
- High of 72 °F, low of 59 °F (87% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:11 AM, sunset at 7:26 PM
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:11 AM, sunset at 7:26 PM
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6 / 6
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Sunday, September 21
- High of 81 °F, low of 57 °F (55% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:12 AM, sunset at 7:25 PM
- New moon
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:12 AM, sunset at 7:25 PM
- New moon