Hourly Weather | Today Tuesday, March 17, 2026
Active Weather Warnings
Peoria, Illinois
5 AM
Cloudy Night
12°
Feels Like
0
Frost Risk: 100%
Humidity: 73%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Night
10°
Feels Like
0
Frost Risk: 100%
Humidity: 73%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Night
10°
Feels Like
0
Frost Risk: 100%
Humidity: 73%
UV Index: 0
Wind: 8 mph
8 AM
Cloudy Weather
12°
Feels Like
0
Frost Risk: 100%
Humidity: 68%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
16°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 64%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
18°
Feels Like 18°
0
Humidity: 60%
UV Index: 3
Wind: 7 mph
11 AM
Cloudy Weather
21°
Feels Like 21°
0
Humidity: 54%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
23°
Feels Like 23°
0
Humidity: 49%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
25°
Feels Like 25°
0
Humidity: 46%
UV Index: 2
Wind: 7 mph
2 PM
Cloudy Weather
27°
Feels Like 25°
10
Humidity: 44%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
27°
Feels Like 27°
10
Humidity: 42%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
28°
Feels Like 25°
9
Humidity: 43%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
28°
Feels Like 25°
7
Humidity: 43%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
28°
Feels Like 21°
7
Humidity: 46%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
27°
Feels Like 19°
11
Humidity: 50%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
27°
Feels Like 19°
47
Humidity: 56%
UV Index: 0
Wind: 8 mph
9 PM
Snowy Weather
25°
Feels Like 14°
51
Humidity: 66%
UV Index: 0
Wind: 9 mph
10 PM
Snowy Weather
25°
Feels Like 12°
51
Humidity: 73%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Weather
27°
Feels Like 16°
47
Humidity: 75%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.84 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.88 µg/m³
  • PM10: 2.13 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 2.05 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.17 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 2.56 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

4 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.57 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 2.95 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.07 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 3.85 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.69 µg/m³
  • PM10: 4.25 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.9 ppb
  • SO2: 1.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.17 µg/m³
  • PM10: 4.7 µg/m³
  • O3: 0.050 ppm
  • NO2: 3.6 ppb
  • SO2: 2.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.5 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.049 ppm
  • NO2: 4.1 ppb
  • SO2: 2.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Peoria

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued March 17 at 12:07AM CDT by NWS Lincoln IL
Mar 17, 12:07 AM Mar 17, 6:00 AM
West to northwest winds gusting 25 to 35 mph early overnight will
gradually diminish with gusts of 20 to 25 mph by 6 AM. A few
lingering bands of light snow showers and flurries will also diminish
during overnight. However, some slippery stretches of roads
especially in rural areas from Canton to Bloomington northward, will
continue overnight from lingering icy and snow covered roads. Parts
of I-74 north of Galesburg up to Woodhull is currently closed, and
parts of I-39 between El Paso and Wenona has some travel impacts.
Updated: Mar 17, 2:55 AM Source: NWS Alert