Sioux Falls 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Sioux Falls 7-day weather forecast

created the forecast for Sioux Falls, South Dakota using data from . This week's high is 84 掳F on Wednesday, while the low is 33 掳F on Monday. There is expected to be 1 sunny day and rain on 2 days this week.

NWS Sioux Falls SD has issued a red flag warning until Tuesday at 08:00 PM.

Monday, April 20

- High of 72 掳F, low of 33 掳F (31% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:35 AM, sunset at 8:15 PM
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1 / 6
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Tuesday, April 21

- High of 81 掳F, low of 51 掳F (24% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:34 AM, sunset at 8:16 PM
2 / 6
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Wednesday, April 22

- High of 84 掳F, low of 58 掳F (36% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 6:32 AM, sunset at 8:17 PM
3 / 6
Jaromir Chalabala // Shutterstock

Thursday, April 23

- High of 78 掳F, low of 57 掳F (18% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Strong breeze (25 mph wind)
- Sunrise at 6:31 AM, sunset at 8:18 PM
- First quarter moon
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ESOlex // Shutterstock

Friday, April 24

- High of 58 掳F, low of 43 掳F (36% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:29 AM, sunset at 8:20 PM
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Saturday, April 25

- High of 58 掳F, low of 40 掳F (30% humidity)
- Overcast with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:28 AM, sunset at 8:21 PM
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6 / 6
Andrew Lever // Shutterstock

Sunday, April 26

- High of 62 掳F, low of 40 掳F (27% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:26 AM, sunset at 8:22 PM

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