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Hourly Weather | Today › Wednesday, December 24, 2025
Active Weather Warnings
Sioux Falls, South Dakota
2 PM
Cloudy Weather
43°
Feels Like 46°
34
Humidity: 75%
Wind: 2 mph
UV Index: 1
3 PM
Cloudy Weather
43°
Feels Like 45°
39
Humidity: 69%
Wind: 5 mph
UV Index: 1
4 PM
Partly Sunny with Showers
43°
Feels Like 39°
45
Humidity: 72%
Wind: 6 mph
UV Index: 0
5 PM
Cloudy Night
39°
Feels Like 36°
40
Humidity: 76%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
37°
Feels Like 34°
23
Humidity: 82%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
36°
Feels Like 30°
0
Humidity: 81%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
34°
Feels Like 27°
0
Humidity: 88%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
30°
Feels Like 23°
0
Humidity: 96%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 90%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 88%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.07 µg/m³
  • PM10: 17.27 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.01 µg/m³
  • PM10: 17.31 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.38 µg/m³
  • PM10: 17.61 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.12 µg/m³
  • PM10: 18.14 µg/m³
  • O3: 0.016 ppm
  • NO2: 5.1 ppb
  • SO2: 0 ppb
  • CO: 0.24 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.86 µg/m³
  • PM10: 18.7 µg/m³
  • O3: 0.013 ppm
  • NO2: 6.7 ppb
  • SO2: 0 ppb
  • CO: 0.26 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.4 µg/m³
  • PM10: 19.02 µg/m³
  • O3: 0.010 ppm
  • NO2: 8 ppb
  • SO2: 0 ppb
  • CO: 0.28 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.37 µg/m³
  • PM10: 19.81 µg/m³
  • O3: 0.008 ppm
  • NO2: 9 ppb
  • SO2: 0 ppb
  • CO: 0.30 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.41 µg/m³
  • PM10: 20.56 µg/m³
  • O3: 0.007 ppm
  • NO2: 9.7 ppb
  • SO2: 0 ppb
  • CO: 0.31 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.88 µg/m³
  • PM10: 20.82 µg/m³
  • O3: 0.006 ppm
  • NO2: 9.8 ppb
  • SO2: 0 ppb
  • CO: 0.32 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.6 µg/m³
  • PM10: 21.42 µg/m³
  • O3: 0.005 ppm
  • NO2: 10.1 ppb
  • SO2: 0 ppb
  • CO: 0.32 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Sioux Falls

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued December 24 at 1:19PM CST until December 24 at 6:00PM CST by NWS Sioux Falls SD
Dec 24, 1:19 PM → Dec 24, 6:00 PM
WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Brookings, Lake, Moody, and Minnehaha Counties.

WHEN: Until 6 PM CST this evening.

IMPACTS: Low visibility could make driving conditions hazardous.

ADDITIONAL DETAILS: Dense fog may redevelop overnight through
early tomorrow morning.
+ Read More
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Updated: Dec 24, 1:26 PM Source: NWS Alert