Sioux Falls 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Sioux Falls 7-day weather forecast

Stacker created the forecast for Sioux Falls, South Dakota using data from OpenWeather. This week's high is 96 °F on Tuesday, while the low is 57 °F on Saturday. 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 91 °F, low of 62 °F (32% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:06 AM, sunset at 7:37 PM
1 / 6
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Tuesday, September 16

- High of 96 °F, low of 63 °F (31% humidity)
- Fair with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (24 mph wind)
- Sunrise at 7:07 AM, sunset at 7:35 PM
2 / 6
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Wednesday, September 17

- High of 72 °F, low of 61 °F (81% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:08 AM, sunset at 7:33 PM
3 / 6
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Thursday, September 18

- High of 78 °F, low of 60 °F (67% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:09 AM, sunset at 7:32 PM
4 / 6
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Friday, September 19

- High of 75 °F, low of 59 °F (60% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:11 AM, sunset at 7:30 PM
5 / 6
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Saturday, September 20

- High of 72 °F, low of 57 °F (63% humidity)
- Mostly cloudy with a 100% chance of rain (7 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:12 AM, sunset at 7:28 PM
6 / 6
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Sunday, September 21

- High of 80 °F, low of 57 °F (54% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:13 AM, sunset at 7:26 PM
- New moon

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