Sioux Falls 7-day weather forecast

Written by:
March 9, 2026
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 73 °F on Friday, while the low is -7 °F on Tuesday. There are expected to be 3 sunny days and snow on 1 day this week.

NWS Sioux Falls SD has issued a cold weather advisory until Monday at 11:00 AM.

Monday, March 16

- High of 14 °F, low of -1 °F (70% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 7:37 AM, sunset at 7:33 PM
1 / 6
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Tuesday, March 17

- High of 28 °F, low of -7 °F (94% humidity)
- Overcast with a 100% chance of snow (3 mm of snow)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:35 AM, sunset at 7:35 PM
2 / 6
Nataliia K // Shutterstock

Wednesday, March 18

- High of 47 °F, low of 18 °F (99% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:33 AM, sunset at 7:36 PM
- New moon
3 / 6
Leonid Ikan // Shutterstock

Thursday, March 19

- High of 68 °F, low of 37 °F (61% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:31 AM, sunset at 7:37 PM
4 / 6
afoto6267 // Shutterstock

Friday, March 20

- High of 73 °F, low of 53 °F (31% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:30 AM, sunset at 7:38 PM
5 / 6
Zyabich // Shutterstock

Saturday, March 21

- High of 71 °F, low of 54 °F (31% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:28 AM, sunset at 7:39 PM
6 / 6
supergenijalac // Shutterstock

Sunday, March 22

- High of 49 °F, low of 35 °F (21% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 7:26 AM, sunset at 7:41 PM

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