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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 85 °F on Monday, while the low is 49 °F on Saturday. There are expected to be 3 sunny days and rain on 2 days this week.
There are currently no weather alerts.
Monday, May 12
- High of 85 °F, low of 59 °F (35% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:06 AM, sunset at 8:37 PM
- Full moon
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1 / 6
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Tuesday, May 13
- High of 84 °F, low of 58 °F (35% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:05 AM, sunset at 8:38 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:05 AM, sunset at 8:38 PM

2 / 6
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Wednesday, May 14
- High of 85 °F, low of 60 °F (40% humidity)
- Fair with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:04 AM, sunset at 8:39 PM
- Fair with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:04 AM, sunset at 8:39 PM

3 / 6
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Thursday, May 15
- High of 70 °F, low of 53 °F (80% humidity)
- Overcast with a 100% chance of rain (32 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:03 AM, sunset at 8:40 PM
- Overcast with a 100% chance of rain (32 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:03 AM, sunset at 8:40 PM

4 / 6
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Friday, May 16
- High of 66 °F, low of 51 °F (51% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate breeze (18 mph wind)
- Sunrise at 6:02 AM, sunset at 8:41 PM
- Mostly cloudy with a 0% chance of rain
- Moderate breeze (18 mph wind)
- Sunrise at 6:02 AM, sunset at 8:41 PM

5 / 6
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Saturday, May 17
- High of 71 °F, low of 49 °F (41% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:01 AM, sunset at 8:42 PM
- Partly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:01 AM, sunset at 8:42 PM
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6 / 6
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Sunday, May 18
- High of 75 °F, low of 49 °F (52% humidity)
- Mostly cloudy with a 0% chance of rain
- Fresh breeze (21 mph wind)
- Sunrise at 6:00 AM, sunset at 8:43 PM
- Mostly cloudy with a 0% chance of rain
- Fresh breeze (21 mph wind)
- Sunrise at 6:00 AM, sunset at 8:43 PM