Sioux Falls Weather Conditions
Current Temperature Level
Sioux Falls Weather Conditions
Current Temperature Level
Last Updated: 2026-08-17 09:30 (Local Time)
Sunny
Clear Sky with temperature at 15 °C and humidity will be at 76% with 66.6 km/h winds.29°C / 7°C
Sunrise
06:34 AM13hrs 53min
Sunset
08:27 PMAugustWeather Overview
No. of days:
Sunny
16
Cloudy
0
Rainy
14
Snowy
0
The monthly weather averages in Sioux Falls consist of 16 sunny days, 0 cloudy days, 14 rainy days, and 0 snowy days.
Sioux Falls's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Little Rock, Arkansas
34 °C
Sunny
37%
2
28.4 kmph / NNW
2.
Phenix City, Alabama
34 °C
Sunny
52%
5.3
29.9 kmph / SSE
3.
Park Village, California
34 °C
Sunny
19%
0.3
26.3 kmph / SW
4.
Gatewood, Mississippi
33 °C
Sunny
49%
2.3
7.6 kmph / N
5.
Chattanooga, Tennessee
33 °C
Sunny
50%
2.9
19.1 kmph / SSE
6.
Indio, California
33 °C
Dust storm
21%
0.3
27.7 kmph / WSW
7.
North Little Rock, Arkansas
33 °C
Sunny
45%
2
26.3 kmph / NNW
8.
Arkadelphia, Arkansas
33 °C
Sunny
32%
1.9
24.5 kmph / NNW
9.
Roland, Oklahoma
33 °C
Patchy rain nearby
57%
1.8
37.8 kmph / NNW
10.
Muldrow, Oklahoma
33 °C
Patchy rain nearby
57%
1.8
37.8 kmph / NNW
Last Updated: 17 Aug 2026, 03:01 PM
City Weather RankingsFAQs About Sioux Falls Weather Conditions
1. What is the current temperature in Sioux Falls today - 17 August 2026?
1. What is the current temperature in Sioux Falls today - 17 August 2026?
The current temperature in Sioux Falls is 20°C, with a feels-like temperature of 16°C. Today's forecast shows a high of 29°C and a low of 7°C, giving a 22 degree swing through the day as of 09:30 AM 17 August 2026.
2. What are the current weather parameters in Sioux Falls today?
2. What are the current weather parameters in Sioux Falls today?
Here is a complete overview of Sioux Falls's current weather conditions as of 09:30 AM 17 August 2026: Condition : Sunny Temperature : 20°C Cool (Feels like 16°C) Humidity : 69% Wind Speed : 25.2 km/h from W (269 degrees), Gust 10.1 m/s UV Index : 1.4 (Low Air Pressure : 1010 mb Cloud Cover : 8% Visibility : 10 km Precipitation : 0 mm (17% chance of rain)
3. What is the 10-day weather forecast for Sioux Falls from 09:30 AM 17 August 2026?
3. What is the 10-day weather forecast for Sioux Falls from 09:30 AM 17 August 2026?
From 09:30 AM 17 August 2026, Sioux Falls's 10-day forecast shows this trend: Today (Aug. 17) : Temp. 15°C, Hum. 76% and Sunny condition. Tuesday (Aug. 18) : Temp. 6°C, Hum. 83% and Patchy rain nearby condition. Wednesday (Aug. 19) : Temp. 6°C, Hum. 79% and Patchy rain nearby condition. Thursday (Aug. 20) : Temp. 6°C, Hum. 75% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 8°C, Hum. 92% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 8°C, Hum. 95% and Patchy rain nearby condition. Sunday (Aug. 23) : Temp. 8°C, Hum. 95% and Patchy rain nearby condition. Monday (Aug. 24) : Temp. 8°C, Hum. 84% and Patchy rain nearby condition. Tuesday (Aug. 25) : Temp. 21°C, Hum. 66% and Rain Showers condition. Wednesday (Aug. 26) : Temp. 22°C, Hum. 64% and Rain Showers condition.
4. Will it rain in Sioux Falls today?
4. Will it rain in Sioux Falls today?
As of 09:30 AM 17 August 2026, there is a 3% chance of rainfall in Sioux Falls later today around 2026-08-17 10:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Sioux Falls in August 2026?
5. What is the monthly weather forecast for Sioux Falls in August 2026?
August 2026 in Sioux Falls is forecast to have 16 sunny days, 14 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 5°C to highs of 36°C.
6. How does the weather in Sioux Falls affect air quality?
6. How does the weather in Sioux Falls affect air quality?
Weather directly impacts air quality in Sioux Falls. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.



