Sioux Falls 7-day weather forecast

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

created the forecast for Sioux Falls, South Dakota using data from . This week's high is 113 掳F on Saturday, while the low is 56 掳F on Wednesday. There are expected to be 5 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 95 掳F, low of 65 掳F (24% humidity)
- Fair with a 41% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:18 AM, sunset at 8:47 PM
1 / 6
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Tuesday, August 4

- High of 85 掳F, low of 59 掳F (33% humidity)
- Fair with a 53% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:19 AM, sunset at 8:46 PM
2 / 6
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Wednesday, August 5

- High of 87 掳F, low of 56 掳F (19% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:20 AM, sunset at 8:45 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 95 掳F, low of 61 掳F (22% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:21 AM, sunset at 8:43 PM
4 / 6
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Friday, August 7

- High of 99 掳F, low of 62 掳F (35% humidity)
- Sunny with a 97% chance of rain (6 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 6:22 AM, sunset at 8:42 PM
5 / 6
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Saturday, August 8

- High of 113 掳F, low of 66 掳F (26% humidity)
- Sunny with a 0% chance of rain
- Strong breeze (26 mph wind)
- Sunrise at 6:23 AM, sunset at 8:41 PM
6 / 6
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Sunday, August 9

- High of 87 掳F, low of 64 掳F (27% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 6:25 AM, sunset at 8:39 PM

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