Sioux Falls 7-day weather forecast

Written by:
August 4, 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 94 °F on Friday, while the low is 58 °F on Tuesday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, August 4

- High of 74 °F, low of 61 °F (63% humidity)
- Partly sunny with a 100% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:19 AM, sunset at 8:46 PM
1 / 6
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Tuesday, August 5

- High of 82 °F, low of 58 °F (85% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:20 AM, sunset at 8:44 PM
2 / 6
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Wednesday, August 6

- High of 88 °F, low of 66 °F (59% humidity)
- Sunny with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:22 AM, sunset at 8:43 PM
3 / 6
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Thursday, August 7

- High of 92 °F, low of 72 °F (49% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:23 AM, sunset at 8:42 PM
4 / 6
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Friday, August 8

- High of 94 °F, low of 78 °F (44% humidity)
- Mostly cloudy with a 0% chance of rain
- Fresh breeze (19 mph wind)
- Sunrise at 6:24 AM, sunset at 8:40 PM
5 / 6
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Saturday, August 9

- High of 81 °F, low of 66 °F (45% humidity)
- Partly sunny with a 100% chance of rain (9 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 6:25 AM, sunset at 8:39 PM
- Full moon
6 / 6
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Sunday, August 10

- High of 89 °F, low of 62 °F (34% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 6:26 AM, sunset at 8:38 PM

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