Sioux Falls 7-day weather forecast

Written by:
June 8, 2026
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Sioux Falls 7-day weather forecast

Stacker created the forecast for Sioux Falls, South Dakota using data from OpenWeather. This week's high is 105 °F on Wednesday, while the low is 64 °F on Saturday. There are expected to be 3 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, July 27

- High of 94 °F, low of 74 °F (12% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:10 AM, sunset at 8:55 PM
1 / 6
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Tuesday, July 28

- High of 98 °F, low of 74 °F (21% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:12 AM, sunset at 8:54 PM
2 / 6
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Wednesday, July 29

- High of 105 °F, low of 71 °F (24% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:13 AM, sunset at 8:53 PM
- Full moon
3 / 6
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Thursday, July 30

- High of 88 °F, low of 70 °F (77% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:14 AM, sunset at 8:52 PM
4 / 6
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Friday, July 31

- High of 94 °F, low of 66 °F (37% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate breeze (16 mph wind)
- Sunrise at 6:15 AM, sunset at 8:51 PM
5 / 6
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Saturday, August 1

- High of 98 °F, low of 64 °F (27% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 6:16 AM, sunset at 8:50 PM
6 / 6
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Sunday, August 2

- High of 104 °F, low of 69 °F (23% humidity)
- Fair with a 0% chance of rain
- Fresh breeze (19 mph wind)
- Sunrise at 6:17 AM, sunset at 8:48 PM

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